Windows support

.gitlab-ci.yml

@@ -7,7 +7,7 @@ variables:
   GIT_SSL_NO_VERIFY: "1"
 
   # Commit of ghc/ci-images repository from which to pull Docker images
-  DOCKER_REV: 8d0224e6b2a08157649651e69302380b2bd24e11
+  DOCKER_REV: 1ac7f435c9312f10422a82d304194778378e2a1a
 
 ############################################################
 # CI Step
@@ -20,7 +20,6 @@ variables:
   variables:
     OS: "LINUX"
     ARCH: "64"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
 
 .alpine:64bit:
   image: "alpine:3.12"
@@ -29,7 +28,6 @@ variables:
   variables:
     OS: "LINUX"
     ARCH: "64"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
 
 .alpine:32bit:
   image: "i386/alpine:3.12"
@@ -38,25 +36,22 @@ variables:
   variables:
     OS: "LINUX"
     ARCH: "32"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
 
 .linux:armv7:
-  image: "registry.gitlab.haskell.org/ghc/ci-images/armv7-linux-deb10:$DOCKER_REV"
+  image: "arm32v7/fedora"
   tags:
     - armv7-linux
   variables:
     OS: "LINUX"
     ARCH: "ARM"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
 
 .linux:aarch64:
-  image: "registry.gitlab.haskell.org/ghc/ci-images/aarch64-linux-deb10:$DOCKER_REV"
+  image: "arm64v8/fedora"
   tags:
     - aarch64-linux
   variables:
     OS: "LINUX"
     ARCH: "ARM64"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
 
 .darwin:
   tags:
@@ -64,15 +59,6 @@ variables:
   variables:
     OS: "DARWIN"
     ARCH: "64"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
-
-.darwin:aarch64:
-  tags:
-    - aarch64-darwin-m1
-  variables:
-    OS: "DARWIN"
-    ARCH: "ARM64"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
 
 .freebsd:
   tags:
@@ -80,25 +66,22 @@ variables:
   variables:
     OS: "FREEBSD"
     ARCH: "64"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
-
-.windows:
-  tags:
-    - new-x86_64-windows
-  variables:
-    OS: "WINDOWS"
-    ARCH: "64"
-    CABAL_DIR: "$CI_PROJECT_DIR/cabal"
 
 .root_cleanup:
   after_script:
-    - bash ./.gitlab/after_script.sh
+    - BUILD_DIR=$CI_PROJECT_DIR
+    - echo "Cleaning $BUILD_DIR"
+    - cd $HOME
+    - test -n "$BUILD_DIR"
+    - shopt -s extglob
+    - rm -Rf "$BUILD_DIR"/!(out)
+    - exit 0
 
 .test_ghcup_version:
   script:
-    - bash ./.gitlab/script/ghcup_version.sh
+    - ./.gitlab/script/ghcup_version.sh
   variables:
-    JSON_VERSION: "0.0.5"
+    JSON_VERSION: "0.0.4"
   artifacts:
     expire_in: 2 week
     paths:
@@ -124,14 +107,14 @@ variables:
     - .test_ghcup_version
     - .linux:armv7
   before_script:
-    - ./.gitlab/before_script/linux/install_deps.sh
+    - ./.gitlab/before_script/linux/install_deps_manual.sh
 
 .test_ghcup_version:aarch64:
   extends:
     - .test_ghcup_version
     - .linux:aarch64
   before_script:
-    - ./.gitlab/before_script/linux/install_deps.sh
+    - ./.gitlab/before_script/linux/install_deps_manual.sh
 
 .test_ghcup_version:darwin:
   extends:
@@ -141,32 +124,6 @@ variables:
   before_script:
     - ./.gitlab/before_script/darwin/install_deps.sh
 
-.test_ghcup_version:darwin:aarch64:
-  extends:
-    - .test_ghcup_version
-    - .darwin:aarch64
-    - .root_cleanup
-  script: |
-    set -Eeuo pipefail
-    function runInNixShell() {
-      time nix-shell $CI_PROJECT_DIR/.gitlab/shell.nix \
-        -I nixpkgs=https://github.com/angerman/nixpkgs/archive/75f7281738b.tar.gz \
-        --argstr system "aarch64-darwin" \
-        --pure \
-        --keep CI_PROJECT_DIR \
-        --keep MACOSX_DEPLOYMENT_TARGET \
-        --keep JSON_VERSION \
-        --keep ARTIFACT \
-        --keep OS \
-        --keep ARCH \
-        --keep CABAL_DIR \
-        --keep GHC_VERSION \
-        --keep CABAL_VERSION \
-        --run "$1" 2>&1
-    }
-    runInNixShell ./.gitlab/before_script/darwin/install_deps.sh 2>&1
-    runInNixShell ./.gitlab/script/ghcup_version.sh 2>&1
-
 .test_ghcup_version:freebsd:
   extends:
     - .test_ghcup_version
@@ -175,18 +132,9 @@ variables:
   before_script:
     - ./.gitlab/before_script/freebsd/install_deps.sh
 
-.test_ghcup_version:windows:
-  extends:
-    - .test_ghcup_version
-    - .windows
-    - .root_cleanup
-  before_script:
-    - set CABAL_DIR="$CI_PROJECT_DIR/cabal"
-    - bash ./.gitlab/before_script/windows/install_deps.sh
-
 .release_ghcup:
   script:
-    - bash ./.gitlab/script/ghcup_release.sh
+    - ./.gitlab/script/ghcup_release.sh
   artifacts:
     expire_in: 2 week
     paths:
@@ -194,7 +142,7 @@ variables:
   only:
     - tags
   variables:
-    JSON_VERSION: "0.0.5"
+    JSON_VERSION: "0.0.4"
 
 ######## stack test ########
 
@@ -217,27 +165,10 @@ test:linux:bootstrap_script:
   script:
     - ./.gitlab/script/ghcup_bootstrap.sh
   variables:
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
   extends:
     - .debian
-    - .root_cleanup
-  needs: []
-
-test:windows:bootstrap_powershell_script:
-  stage: test
-  script:
-    - ./bootstrap-haskell.ps1 -InstallDir $CI_PROJECT_DIR -BootstrapUrl $CI_PROJECT_DIR/bootstrap-haskell -InBash
-  after_script:
-    - "[Environment]::SetEnvironmentVariable('GHCUP_INSTALL_BASE_PREFIX', $null, [System.EnvironmentVariableTarget]::User)"
-    - "[Environment]::SetEnvironmentVariable('GHCUP_MSYS2', $null, [System.EnvironmentVariableTarget]::User)"
-    - "[Environment]::SetEnvironmentVariable('CABAL_DIR', $null, [System.EnvironmentVariableTarget]::User)"
-    - bash ./.gitlab/after_script.sh
-  variables:
-    GHC_VERSION: "8.10.5"
-    CABAL_VERSION: "3.4.0.0"
-  extends:
-    - .windows
   needs: []
 
 ######## linux test ########
@@ -246,7 +177,7 @@ test:linux:recommended:
   stage: test
   extends: .test_ghcup_version:linux
   variables:
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
   needs: []
 
@@ -254,7 +185,7 @@ test:linux:latest:
   stage: test
   extends: .test_ghcup_version:linux
   variables:
-    GHC_VERSION: "9.0.1"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
   needs: []
 
@@ -264,7 +195,7 @@ test:linux:recommended:32bit:
   stage: test
   extends: .test_ghcup_version:linux32
   variables:
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.2.0.0"
   needs: []
 
@@ -302,19 +233,10 @@ test:mac:latest:
   stage: test
   extends: .test_ghcup_version:darwin
   variables:
-    GHC_VERSION: "9.0.1"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
   needs: []
 
-test:mac:recommended:aarch64:
-  stage: test
-  extends: .test_ghcup_version:darwin:aarch64
-  variables:
-    GHC_VERSION: "8.10.5"
-    CABAL_VERSION: "3.4.0.0"
-  needs: []
-  allow_failure: true
-
 
 ######## freebsd test ########
 
@@ -328,16 +250,17 @@ test:freebsd:recommended:
   when: manual
   needs: []
 
-######## windows test ########
+test:freebsd:latest:
-
-test:windows:recommended:
   stage: test
-  extends: .test_ghcup_version:windows
+  extends: .test_ghcup_version:freebsd
   variables:
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
+  allow_failure: true # freebsd runners are unreliable
+  when: manual
   needs: []
 
+
 ######## linux release ########
 
 release:linux:64bit:
@@ -350,7 +273,7 @@ release:linux:64bit:
     - ./.gitlab/before_script/linux/alpine/install_deps.sh
   variables:
     ARTIFACT: "x86_64-linux-ghcup"
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
 
 
@@ -364,7 +287,7 @@ release:linux:32bit:
     - ./.gitlab/before_script/linux/alpine/install_deps.sh
   variables:
     ARTIFACT: "i386-linux-ghcup"
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.2.0.0"
 
 release:linux:armv7:
@@ -374,7 +297,7 @@ release:linux:armv7:
     - .linux:armv7
     - .release_ghcup
   before_script:
-    - ./.gitlab/before_script/linux/install_deps.sh
+    - ./.gitlab/before_script/linux/install_deps_manual.sh
   variables:
     ARTIFACT: "armv7-linux-ghcup"
     GHC_VERSION: "8.10.4"
@@ -387,7 +310,7 @@ release:linux:aarch64:
     - .linux:aarch64
     - .release_ghcup
   before_script:
-    - ./.gitlab/before_script/linux/install_deps.sh
+    - ./.gitlab/before_script/linux/install_deps_manual.sh
   variables:
     ARTIFACT: "aarch64-linux-ghcup"
     GHC_VERSION: "8.10.4"
@@ -406,44 +329,16 @@ release:darwin:
     - ./.gitlab/before_script/darwin/install_deps.sh
   variables:
     ARTIFACT: "x86_64-apple-darwin-ghcup"
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
     MACOSX_DEPLOYMENT_TARGET: "10.7"
 
-release:darwin:aarch64:
-  stage: release
-  needs: ["test:mac:recommended:aarch64"]
-  extends:
-    - .darwin:aarch64
-    - .release_ghcup
-    - .root_cleanup
-  script: |
-    set -Eeuo pipefail
-    function runInNixShell() {
-      time nix-shell .gitlab/shell.nix \
-        -I nixpkgs=https://github.com/angerman/nixpkgs/archive/75f7281738b.tar.gz \
-        --argstr system "aarch64-darwin" \
-        --pure \
-        --keep CI_PROJECT_DIR --keep MAKE_ARGS --keep HADRIAN_ARGS --keep CABAL_CACHE \
-        --keep MACOSX_DEPLOYMENT_TARGET \
-        --keep JSON_VERSION --keep ARTIFACT \
-        --run "$1" 2>&1
-    }
-    runInNixShell ./.gitlab/before_script/darwin/install_deps.sh 2>&1
-    runInNixShell ./.gitlab/script/ghcup_release.sh 2>&1
-  variables:
-    ARTIFACT: "aarch64-apple-darwin-ghcup"
-    GHC_VERSION: "8.10.5"
-    CABAL_VERSION: "3.4.0.0"
-    MACOSX_DEPLOYMENT_TARGET: "10.7"
-  allow_failure: true
-
 
 ######## freebsd release ########
 
 release:freebsd:
   stage: release
-  needs: ["test:freebsd:recommended"]
+  needs: ["test:freebsd:recommended", "test:freebsd:latest"]
   extends:
     - .freebsd
     - .release_ghcup
@@ -452,25 +347,9 @@ release:freebsd:
     - ./.gitlab/before_script/freebsd/install_deps.sh
   variables:
     ARTIFACT: "x86_64-portbld-freebsd-ghcup"
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
-  allow_failure: true
 
-######## windows release ########
-
-release:windows:
-  stage: release
-  needs: ["test:windows:recommended"]
-  extends:
-    - .windows
-    - .release_ghcup
-    - .root_cleanup
-  before_script:
-    - bash ./.gitlab/before_script/windows/install_deps.sh
-  variables:
-    ARTIFACT: "x86_64-mingw64-ghcup"
-    GHC_VERSION: "8.10.5"
-    CABAL_VERSION: "3.4.0.0"
 
 ######## hlint ########
 
@@ -483,7 +362,7 @@ hlint:
   script:
     - ./.gitlab/script/hlint.sh
   variables:
-    GHC_VERSION: "8.10.5"
+    GHC_VERSION: "8.10.4"
     CABAL_VERSION: "3.4.0.0"
     JSON_VERSION: "0.0.4"
   allow_failure: true

.gitlab/after_script.sh

@@ -1,15 +0,0 @@
-#!/bin/sh
-
-set -eux
-
-BUILD_DIR=$CI_PROJECT_DIR
-echo "Cleaning $BUILD_DIR"
-cd $HOME
-test -n "$BUILD_DIR"
-shopt -s extglob
-rm -Rf "$BUILD_DIR"/!(out)
-if [ "${OS}" = "WINDOWS" ] ; then
-	rm -Rf /c/ghcup
-fi
-
-exit 0

.gitlab/before_script/darwin/install_deps.sh

@@ -6,27 +6,12 @@ set -eux
 
 mkdir -p "${TMPDIR}"
 
-if [ $ARCH = 'ARM64' ] ; then
+curl -sSfL https://downloads.haskell.org/~ghcup/x86_64-apple-darwin-ghcup > ./ghcup-bin
-	curl -sSfL https://downloads.haskell.org/~ghcup/0.1.15.1/aarch64-apple-darwin-ghcup-0.1.15.1 > ./ghcup-bin
+chmod +x ghcup-bin
-	chmod +x ghcup-bin
-else
-	curl -sSfL https://downloads.haskell.org/~ghcup/x86_64-apple-darwin-ghcup > ./ghcup-bin
-	chmod +x ghcup-bin
-	./ghcup-bin upgrade -i -f
-fi
 
+./ghcup-bin upgrade -i -f
 ./ghcup-bin install ${GHC_VERSION}
 ./ghcup-bin set ${GHC_VERSION}
 ./ghcup-bin install-cabal ${CABAL_VERSION}
 
-if [ $ARCH = 'ARM64' ] ; then
-	cabal update
-	mkdir vendored
-	cd vendored
-	cabal unpack network-3.1.2.1
-	cd network*
-	autoreconf -fi
-	cd ../..
-fi
-
 exit 0

.gitlab/before_script/linux/install_deps.sh

@@ -7,60 +7,13 @@ set -eux
 mkdir -p "${TMPDIR}"
 
 sudo apt-get update -y
-sudo apt-get install -y libnuma-dev zlib1g-dev libgmp-dev libgmp10 libssl-dev liblzma-dev libbz2-dev git wget lsb-release software-properties-common gnupg2 apt-transport-https
+sudo apt-get install -y libnuma-dev zlib1g-dev libgmp-dev libgmp10 libssl-dev liblzma-dev libbz2-dev git wget
 
-case "${ARCH}" in
+curl -sSfL https://downloads.haskell.org/~ghcup/x86_64-linux-ghcup > ./ghcup-bin
-	ARM*)
+chmod +x ghcup-bin
-		case "${ARCH}" in
-			"ARM")
-				ghc_url=https://downloads.haskell.org/~ghc/${GHC_VERSION}/ghc-${GHC_VERSION}-armv7-deb10-linux.tar.xz
-				cabal_url=home.smart-cactus.org/~ben/cabal-install-${CABAL_VERSION}-armv7-linux-bootstrapped.tar.xz
-				;;
-			"ARM64")
-				ghc_url=https://downloads.haskell.org/~ghc/${GHC_VERSION}/ghc-${GHC_VERSION}-aarch64-deb10-linux.tar.xz
-				cabal_url=https://downloads.haskell.org/~cabal/cabal-install-${CABAL_VERSION}/cabal-install-${CABAL_VERSION}-aarch64-ubuntu-18.04.tar.xz
-				;;
-			*)
-				exit 1 ;;
-		esac
 
-		mkdir -p "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin
+./ghcup-bin upgrade -i -f
-
+./ghcup-bin install ${GHC_VERSION}
-		curl -O "${ghc_url}"
+./ghcup-bin set ${GHC_VERSION}
-		tar -xf ghc-*.tar.*
+./ghcup-bin install-cabal ${CABAL_VERSION}
-		cd ghc-${GHC_VERSION}
-		./configure --prefix="${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/ghc/${GHC_VERSION}
-		make install
-		for i in "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/ghc/${GHC_VERSION}/bin/*-${GHC_VERSION} ; do
-			ln -s "${i}" "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/${i##*/}
-		done
-		for x in "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/*-${GHC_VERSION} ; do
-			ln -s ${x##*/} ${x%-${GHC_VERSION}}
-		done
-		cd ..
-		rm -rf ghc-${GHC_VERSION} ghc-*.tar.*
-		unset x i
-
-		mkdir cabal-install
-		cd cabal-install
-		curl -O "${cabal_url}"
-		tar -xf cabal-install-*
-		mv cabal "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/cabal
-		cd ..
-		rm -rf cabal-install
-
-		;;
-	*) 
-		url=https://downloads.haskell.org/~ghcup/x86_64-linux-ghcup
-
-		curl -sSfL "${url}" > ./ghcup-bin
-		chmod +x ghcup-bin
-
-		./ghcup-bin upgrade -i -f
-		./ghcup-bin install ${GHC_VERSION}
-		./ghcup-bin set ${GHC_VERSION}
-		./ghcup-bin install-cabal ${CABAL_VERSION}
-
-		;;
-esac
 

.gitlab/before_script/linux/install_deps_manual.sh

@@ -0,0 +1,64 @@
+#!/bin/sh
+
+set -eux
+
+. "$( cd "$(dirname "$0")" ; pwd -P )/../../ghcup_env"
+
+mkdir -p "${TMPDIR}"
+
+ednf() {
+	case "${ARCH}" in
+		"ARM")
+			sudo dnf -y --forcearch armv7hl "$@"
+			;;
+		"ARM64")
+			sudo dnf -y --forcearch aarch64 "$@"
+			;;
+		*) exit 1 ;;
+	esac
+}
+
+ednf update
+ednf install gcc gcc-c++ gmp gmp-devel make ncurses ncurses-devel xz xz-devel perl zlib zlib-devel openssl-devel openssl-libs openssl libffi libffi-devel lbzip2 lbzip2-utils bzip2-devel
+if [ "${ARCH}" = "ARM64" ] ; then
+	ednf install numactl numactl-libs numactl-devel
+fi
+ednf install bash wget curl git tar
+ednf install llvm9.0 llvm9.0-devel llvm9.0-libs llvm9.0-static
+
+case "${ARCH}" in
+	"ARM")
+		ghc_url=https://downloads.haskell.org/~ghc/${GHC_VERSION}/ghc-${GHC_VERSION}-armv7-deb10-linux.tar.xz
+		cabal_url=home.smart-cactus.org/~ben/cabal-install-${CABAL_VERSION}-armv7-linux-bootstrapped.tar.xz
+		;;
+	"ARM64")
+		ghc_url=https://downloads.haskell.org/~ghc/${GHC_VERSION}/ghc-${GHC_VERSION}-aarch64-deb10-linux.tar.xz
+		cabal_url=https://downloads.haskell.org/~cabal/cabal-install-${CABAL_VERSION}/cabal-install-${CABAL_VERSION}-aarch64-ubuntu-18.04.tar.xz
+		;;
+	*) exit 1 ;;
+esac
+
+mkdir -p "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin
+
+curl -O "${ghc_url}"
+tar -xf ghc-*.tar.*
+cd ghc-${GHC_VERSION}
+./configure --prefix="${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/ghc/${GHC_VERSION}
+make install
+for i in "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/ghc/${GHC_VERSION}/bin/*-${GHC_VERSION} ; do
+	ln -s "${i}" "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/${i##*/}
+done
+for x in "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/*-${GHC_VERSION} ; do
+	ln -s ${x##*/} ${x%-${GHC_VERSION}}
+done
+cd ..
+rm -rf ghc-${GHC_VERSION} ghc-*.tar.*
+unset x i
+
+mkdir cabal-install
+cd cabal-install
+curl -O "${cabal_url}"
+tar -xf cabal-install-*
+mv cabal "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/cabal
+cd ..
+rm -rf cabal-install

.gitlab/before_script/windows/install_deps.sh

@@ -1,21 +0,0 @@
-#!/bin/sh
-
-set -eux
-
-. "$( cd "$(dirname "$0")" ; pwd -P )/../../ghcup_env"
-
-mkdir -p "${TMPDIR}" "${CABAL_DIR}"
-
-mkdir -p "$GHCUP_INSTALL_BASE_PREFIX/ghcup/bin"
-
-CI_PROJECT_DIR=$(pwd)
-curl -o ghcup.exe https://downloads.haskell.org/~ghcup/0.1.15.1/x86_64-mingw64-ghcup-0.1.15.1.exe
-chmod +x ghcup.exe
-
-./ghcup.exe install ${GHC_VERSION}
-./ghcup.exe set ${GHC_VERSION}
-./ghcup.exe install-cabal ${CABAL_VERSION}
-
-rm ./ghcup.exe
-
-exit 0

.gitlab/ghcup_env

@@ -1,9 +1,3 @@
-if [ "${OS}" = "WINDOWS" ] ; then
+export GHCUP_INSTALL_BASE_PREFIX="$CI_PROJECT_DIR"
-	export GHCUP_INSTALL_BASE_PREFIX="$CI_PROJECT_DIR"
+export PATH="$CI_PROJECT_DIR/.ghcup/bin:$CI_PROJECT_DIR/.local/bin:$PATH"
-	export PATH="$GHCUP_INSTALL_BASE_PREFIX/ghcup/bin:$CI_PROJECT_DIR/.local/bin:$PATH"
+export TMPDIR="$CI_PROJECT_DIR/tmp"
-	export TMPDIR="$CI_PROJECT_DIR/tmp"
-else
-	export GHCUP_INSTALL_BASE_PREFIX="$CI_PROJECT_DIR"
-	export PATH="$CI_PROJECT_DIR/.ghcup/bin:$CI_PROJECT_DIR/.local/bin:/opt/llvm/bin:$PATH"
-	export TMPDIR="$CI_PROJECT_DIR/tmp"
-fi

.gitlab/script/ghcup_bootstrap.sh

@@ -7,7 +7,7 @@ set -eux
 mkdir -p "$CI_PROJECT_DIR"/.local/bin
 
 ecabal() {
-	cabal "$@"
+	cabal --store-dir="$(pwd)"/.store "$@"
 }
 
 eghcup() {

.gitlab/script/ghcup_release.sh

@@ -7,7 +7,7 @@ set -eux
 mkdir -p "$CI_PROJECT_DIR"/.local/bin
 
 ecabal() {
-	cabal "$@"
+	cabal --store-dir="$(pwd)"/.store "$@"
 }
 
 git describe
@@ -29,20 +29,18 @@ if [ "${OS}" = "LINUX" ] ; then
 		ecabal build -w ghc-${GHC_VERSION} -ftui
 	fi
 elif [ "${OS}" = "FREEBSD" ] ; then
-	ecabal build -w ghc-${GHC_VERSION} --ghc-options='-split-sections' --constraint="zlib +bundled-c-zlib" --constraint="zip +disable-zstd" -ftui
+	ecabal build -w ghc-${GHC_VERSION} --ghc-options='-split-sections' --constraint="zlib +bundled-c-zlib" -ftui
-elif [ "${OS}" = "WINDOWS" ] ; then
-	ecabal build -w ghc-${GHC_VERSION} --constraint="zlib +bundled-c-zlib" --constraint="lzma +static"
 else
 	ecabal build -w ghc-${GHC_VERSION} --constraint="zlib +bundled-c-zlib" --constraint="lzma +static" -ftui
 fi
 
 mkdir out
-binary=$(ecabal new-exec -w ghc-${GHC_VERSION} --verbose=0 --offline sh -- -c 'command -v ghcup')
+cp "$(ecabal new-exec -w ghc-${GHC_VERSION} --verbose=0 --offline sh -- -c 'command -v ghcup')" .
-ver=$("${binary}" --numeric-version)
+ver=$(./ghcup --numeric-version)
 if [ "${OS}" = "DARWIN" ] ; then
-	strip "${binary}"
+	strip ./ghcup
 else
-	strip -s "${binary}"
+	strip -s ./ghcup
 fi
-cp "${binary}" out/${ARTIFACT}-${ver}
+cp ghcup out/${ARTIFACT}-${ver}
 

.gitlab/script/ghcup_version.sh

@@ -6,18 +6,12 @@ set -eux
 
 mkdir -p "$CI_PROJECT_DIR"/.local/bin
 
-CI_PROJECT_DIR=$(pwd)
-
 ecabal() {
-	cabal "$@"
+	cabal --store-dir="$CI_PROJECT_DIR"/.store "$@"
 }
 
 eghcup() {
-	if [ "${OS}" = "WINDOWS" ] ; then
+	ghcup -v -c -s file://$CI_PROJECT_DIR/ghcup-${JSON_VERSION}.yaml "$@"
-		ghcup -v -c -s file:/$CI_PROJECT_DIR/ghcup-${JSON_VERSION}.yaml "$@"
-	else
-		ghcup -v -c -s file://$CI_PROJECT_DIR/ghcup-${JSON_VERSION}.yaml "$@"
-	fi
 }
 
 git describe --always
@@ -34,47 +28,31 @@ ecabal update
 if [ "${OS}" = "DARWIN" ] ; then
 	ecabal build -w ghc-${GHC_VERSION} -ftui
 	ecabal test -w ghc-${GHC_VERSION} -ftui ghcup-test
-	ecabal haddock -w ghc-${GHC_VERSION} -ftui
 elif [ "${OS}" = "LINUX" ] ; then
 	if [ "${ARCH}" = "32" ] ; then
 		ecabal build -w ghc-${GHC_VERSION} -finternal-downloader -ftui -ftar
 		ecabal test -w ghc-${GHC_VERSION} -finternal-downloader -ftui -ftar ghcup-test
-		ecabal haddock -w ghc-${GHC_VERSION} -finternal-downloader -ftui -ftar
 	else
 		ecabal build -w ghc-${GHC_VERSION} -finternal-downloader -ftui
 		ecabal test -w ghc-${GHC_VERSION} -finternal-downloader -ftui ghcup-test
-		ecabal haddock -w ghc-${GHC_VERSION} -finternal-downloader -ftui
 	fi
-elif [ "${OS}" = "FREEBSD" ] ; then
-	ecabal build -w ghc-${GHC_VERSION} -finternal-downloader -ftui --constraint="zip +disable-zstd"
-	ecabal test -w ghc-${GHC_VERSION} -finternal-downloader -ftui --constraint="zip +disable-zstd" ghcup-test
-	ecabal haddock -w ghc-${GHC_VERSION} -finternal-downloader -ftui --constraint="zip +disable-zstd"
-elif [ "${OS}" = "WINDOWS" ] ; then
-	ecabal build -w ghc-${GHC_VERSION}
-	ecabal test -w ghc-${GHC_VERSION} ghcup-test
-	ecabal haddock -w ghc-${GHC_VERSION}
 else
 	ecabal build -w ghc-${GHC_VERSION} -finternal-downloader -ftui
 	ecabal test -w ghc-${GHC_VERSION} -finternal-downloader -ftui ghcup-test
-	ecabal haddock -w ghc-${GHC_VERSION} -finternal-downloader -ftui
 fi
 
+ecabal haddock -w ghc-${GHC_VERSION} -ftar
 
-if [ "${OS}" = "WINDOWS" ] ; then
+cp "$(ecabal new-exec -w ghc-${GHC_VERSION} --verbose=0 --offline sh -- -c 'command -v ghcup')" .
-	ext=".exe"
+cp "$(ecabal new-exec -w ghc-${GHC_VERSION} --verbose=0 --offline sh -- -c 'command -v ghcup-gen')" .
-else
+
-	ext=''
+cp ./ghcup "$CI_PROJECT_DIR"/.local/bin/ghcup
-fi
+cp ./ghcup-gen "$CI_PROJECT_DIR"/.local/bin/ghcup-gen
-	cp "$(ecabal new-exec -w ghc-${GHC_VERSION} --verbose=0 --offline sh -- -c 'command -v ghcup')" "$CI_PROJECT_DIR"/.local/bin/ghcup${ext}
-	cp "$(ecabal new-exec -w ghc-${GHC_VERSION} --verbose=0 --offline sh -- -c 'command -v ghcup-gen')" "$CI_PROJECT_DIR"/.local/bin/ghcup-gen${ext}
 
 ### cleanup
 
-if [ "${OS}" = "WINDOWS" ] ; then
+rm -rf "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup
-	rm -rf "${GHCUP_INSTALL_BASE_PREFIX}"/ghcup
+
-else
-	rm -rf "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup
-fi
 
 ### manual cli based testing
 
@@ -84,10 +62,8 @@ ghcup-gen check -f ghcup-${JSON_VERSION}.yaml
 eghcup --numeric-version
 
 eghcup install ${GHC_VERSION}
-[ `$(eghcup whereis ghc ${GHC_VERSION}) --numeric-version` = "${GHC_VERSION}" ]
 eghcup set ${GHC_VERSION}
 eghcup install-cabal ${CABAL_VERSION}
-[ `$(eghcup whereis cabal ${CABAL_VERSION}) --numeric-version` = "${CABAL_VERSION}" ]
 
 cabal --version
 
@@ -99,46 +75,40 @@ eghcup list -t cabal
 
 ghc_ver=$(ghc --numeric-version)
 ghc --version
-ghc-${ghc_ver} --version
+ghci --version
-if [ "${OS}" != "WINDOWS" ] ; then
+ghc-$(ghc --numeric-version) --version
-		ghci --version
+ghci-$(ghc --numeric-version) --version
-		ghci-${ghc_ver} --version
+
+
+# test installing new ghc doesn't mess with currently set GHC
+# https://gitlab.haskell.org/haskell/ghcup-hs/issues/7
+if [ "${OS}" = "LINUX" ] ; then
+	eghcup --downloader=wget install 8.10.3
+else # test wget a bit
+	eghcup install 8.10.3
 fi
+[ "$(ghc --numeric-version)" = "${ghc_ver}" ]
+eghcup set 8.10.3
+eghcup set 8.10.3
+[ "$(ghc --numeric-version)" = "8.10.3" ]
+eghcup set ${GHC_VERSION}
+[ "$(ghc --numeric-version)" = "${ghc_ver}" ]
+eghcup rm 8.10.3
+[ "$(ghc --numeric-version)" = "${ghc_ver}" ]
 
+if [ "${OS}" = "DARWIN" ] ; then
+	eghcup install hls
+	haskell-language-server-wrapper --version
 
-if [ "${OS}" = "DARWIN" ] && [ "${ARCH}" = "ARM64" ] ; then
+	eghcup install stack
-	echo
+	stack --version
-else
+elif [ "${OS}" = "LINUX" ] ; then
-	# test installing new ghc doesn't mess with currently set GHC
+	if [ "${ARCH}" = "64" ] ; then
-	# https://gitlab.haskell.org/haskell/ghcup-hs/issues/7
-	if [ "${OS}" = "LINUX" ] ; then
-		eghcup --downloader=wget install 8.10.3
-	else # test wget a bit
-		eghcup install 8.10.3
-	fi
-	[ "$(ghc --numeric-version)" = "${ghc_ver}" ]
-	eghcup set 8.10.3
-	eghcup set 8.10.3
-	[ "$(ghc --numeric-version)" = "8.10.3" ]
-	eghcup set ${GHC_VERSION}
-	[ "$(ghc --numeric-version)" = "${ghc_ver}" ]
-	eghcup rm 8.10.3
-	[ "$(ghc --numeric-version)" = "${ghc_ver}" ]
-
-	if [ "${OS}" = "DARWIN" ] ; then
 		eghcup install hls
-		$(eghcup whereis hls) --version
+		haskell-language-server-wrapper --version
 
 		eghcup install stack
-		$(eghcup whereis stack) --version
+		stack --version
-	elif [ "${OS}" = "LINUX" ] ; then
-		if [ "${ARCH}" = "64" ] ; then
-			eghcup install hls
-			haskell-language-server-wrapper --version
-
-			eghcup install stack
-			stack --version
-		fi
 	fi
 fi
 
@@ -156,11 +126,3 @@ fi
 eghcup upgrade
 eghcup upgrade -f
 
-
-# nuke
-eghcup nuke
-if [ "${OS}" = "WINDOWS" ] ; then
-	[ ! -e "${GHCUP_INSTALL_BASE_PREFIX}/ghcup" ]
-else
-	[ ! -e "${GHCUP_INSTALL_BASE_PREFIX}/.ghcup" ]
-fi

.gitlab/shell.nix

@@ -1,89 +0,0 @@
-{ system ? "aarch64-darwin"
-#, nixpkgs ? fetchTarball https://github.com/angerman/nixpkgs/archive/257cb120334.tar.gz #apple-silicon.tar.gz
-, pkgs ? import <nixpkgs> { inherit system; }
-, compiler ? if system == "aarch64-darwin" then "ghc8103Binary" else "ghc8103"
-}: pkgs.mkShell {
-  # this prevents nix from trying to write the env-vars file.
-  # we can't really, as NIX_BUILD_TOP/env-vars is not set.
-  noDumpEnvVars=1;
-
-  # stop polluting LDFLAGS with -liconv
-  dontAddExtraLibs = true;
-
-  # we need to inject ncurses into --with-curses-libraries.
-  # the real fix is to teach terminfo to use libcurses on macOS.
-  # CONFIGURE_ARGS = "--with-intree-gmp --with-curses-libraries=${pkgs.ncurses.out}/lib";
-  CONFIGURE_ARGS = "--with-intree-gmp --with-curses-libraries=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib --with-iconv-includes=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include --with-iconv-libraries=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib SH=/bin/bash";
-
-  # magic speedup pony :facepalm:
-  #
-  # nix has the ugly habbit of duplicating ld flags more than necessary.  This
-  # somewhat consolidates this.
-  shellHook = ''
-  export NIX_LDFLAGS=$(for a in $NIX_LDFLAGS; do echo $a; done |sort|uniq|xargs)
-  export NIX_LDFLAGS_FOR_TARGET=$(for a in $NIX_LDFLAGS_FOR_TARGET; do echo $a; done |sort|uniq|xargs)
-  export NIX_LDFLAGS_FOR_TARGET=$(comm -3 <(for l in $NIX_LDFLAGS_FOR_TARGET; do echo $l; done) <(for l in $NIX_LDFLAGS; do echo $l; done))
-
-
-  # Impurity hack for GHC releases.
-  #################################
-  # We don't want binary releases to depend on nix, thus we'll need to make sure we don't leak in references.
-  # GHC externally depends only on iconv and curses.  However we can't force a specific curses library for
-  # the terminfo package, as such we'll need to make sure we only look in the system path for the curses library
-  # and not pick up the tinfo from the nix provided ncurses package.
-  #
-  # We also need to force us to use the systems COREFOUNDATION, not the one that nix builds. Again this is impure,
-  # but it will allow us to have proper binary distributions.
-  #
-  # do not use nixpkgs provided core foundation
-  export NIX_COREFOUNDATION_RPATH=/System/Library/Frameworks
-  # drop curses from the LDFLAGS, we really want the system ones, not the nix ones.
-  export NIX_LDFLAGS=$(for lib in $NIX_LDFLAGS; do case "$lib" in *curses*);; *) echo -n "$lib ";; esac; done;)
-  export NIX_CFLAGS_COMPILE+=" -Wno-nullability-completeness -Wno-availability -Wno-expansion-to-defined -Wno-builtin-requires-header -Wno-unused-command-line-argument"
-
-  # unconditionally add the MacOSX.sdk and TargetConditional.h
-  export NIX_CFLAGS_COMPILE+=" -isystem /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include"
-
-  '';
-
-  nativeBuildInputs = (with pkgs; [
-    # This needs to come *before* ghc,
-    # otherwise we migth end up with the clang from
-    # the bootstrap GHC in PATH with higher priority.
-    clang_11
-    llvm_11
-
-    haskell.compiler.${compiler}
-    haskell.packages.${compiler}.cabal-install
-    haskell.packages.${compiler}.alex
-    haskell.packages.${compiler}.happy # _1_19_12 is needed for older GHCs.
-
-    automake
-    autoconf
-    m4
-
-    gmp
-    zlib.out
-    zlib.dev
-    glibcLocales
-    # locale doesn't build yet :-/
-    # locale
-
-    git
-
-    python3
-    # python3Full
-    # python3Packages.sphinx
-    perl
-
-    which
-    wget
-	curl
-    file
-
-    xz
-    xlibs.lndir
-
-    cacert ])
-  ++ (with pkgs.darwin.apple_sdk.frameworks; [ Foundation Security ]);
-}

CHANGELOG.md

@@ -1,26 +1,11 @@
 # Revision history for ghcup
 
-## 0.1.16 -- ????-??-??
+## 0.1.15 -- ????-??-??
 
-* Add 'nuke' subcommand wrt [#135](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/135), implemented by Arjun Kathuria
+* Add date to GHC bindist names created by ghcup
-
-## 0.1.15.2 -- 2021-06-13
-
-* Remove legacy handling of cabal binary and be more graceful about binaries not installed by ghcup (e.g. stack)
-* Fix GHC compilation from git
-* Fix 'ghcup upgrade' on windows
-* Allow to skip update checks via `GHCUP_SKIP_UPDATE_CHECK`
-* Use libarchive on windows as well, fixing unpack errors wrt [#147](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/147)
-
-## 0.1.15.1 -- 2021-06-11
-
-* Add Apple Silicon support
-* Add windows support wrt [#130](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/130)
-* Add stack support
 * Warn when /tmp doesn't have 5GB or more of disk space
 * Allow to compile GHC from git repo wrt [#126](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/126)
-* Allow to set custom ghc version when running 'ghcup compile ghc' wrt [#136](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/136)
+* Add stack support
-* Add date to GHC bindist names created by ghcup
 
 ## 0.1.14.2 -- 2021-05-12
 

HACKING.md

@@ -69,7 +69,3 @@ yaml files: `ghcup-<yaml-ver>.yaml`.
    Most of the `Version` parameters to functions had to be replaced with
    that and ensured the logic is consistent for cross and non-cross
    installs.
-2. This refactor added windows support wrt [#130](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/130).
-   The major changes here were switching `hpath` library out for `filepath`/`directory` (sadly) and
-   introducing a non-unix way of handling processes via the `process` library. It also introduced considerable
-   amounts of CPP wrt file handling, installation etc.

README.md

@@ -1,5 +1,5 @@
 `ghcup` makes it easy to install specific versions of `ghc` on GNU/Linux,
-macOS (aka Darwin), FreeBSD and Windows and can also bootstrap a fresh Haskell developer environment from scratch.
+macOS (aka Darwin) and FreeBSD and can also bootstrap a fresh Haskell developer environment from scratch.
 It follows the unix UNIX philosophy of [do one thing and do it well](https://en.wikipedia.org/wiki/Unix_philosophy#Do_One_Thing_and_Do_It_Well).
 
 Similar in scope to [rustup](https://github.com/rust-lang-nursery/rustup.rs), [pyenv](https://github.com/pyenv/pyenv) and [jenv](http://www.jenv.be).
@@ -85,7 +85,7 @@ handles your haskell packages and can demand that [a specific version](https://c
 A configuration file can be put in `~/.ghcup/config.yaml`. The default config file
 explaining all possible configurations can be found in this repo: [config.yaml](./config.yaml).
 
-Partial configuration is fine. Command line options always override the config file settings.
+Partial configuration is fine. Command line options always overwrite the config file settings.
 
 ### Manpages
 
@@ -123,9 +123,6 @@ Then you can control the locations via XDG environment variables as such:
 * `XDG_BIN_HOME`: binaries end up here (default: `~/.local/bin`)
 * `XDG_CONFIG_HOME`: the config file is stored in `ghcup` subdir as `config.yaml` (default: `~/.config`)
 
-**Note that `ghcup` makes some assumptions about structure of files in `XDG_BIN_HOME`. So if you have other tools
-installing e.g. stack/cabal/ghc into it, this will likely clash. In that case consider disabling XDG support.**
-
 ### Env variables
 
 This is the complete list of env variables that change GHCup behavior:
@@ -135,7 +132,6 @@ This is the complete list of env variables that change GHCup behavior:
 * `GHCUP_INSTALL_BASE_PREFIX`: the base of ghcup (default: `$HOME`)
 * `GHCUP_CURL_OPTS`: additional options that can be passed to curl
 * `GHCUP_WGET_OPTS`: additional options that can be passed to wget
-* `GHCUP_SKIP_UPDATE_CHECK`: Skip the (possibly annoying) update check when you run a command
 * `CC`/`LD` etc.: full environment is passed to the build system when compiling GHC via GHCup
 
 ### Installing custom bindists

app/ghcup-gen/Main.hs

@@ -69,15 +69,13 @@ tarballFilterP = option readm $
   long "tarball-filter" <> short 'u' <> metavar "<tool>-<version>" <> value def
     <> help "Only check certain tarballs (format: <tool>-<version>)"
   where
-    def = TarballFilter (Right Nothing) (makeRegex ("" :: String))
+    def = TarballFilter Nothing (makeRegex ("" :: String))
     readm = do
       s <- str
       case span (/= '-') s of
         (_, []) -> fail "invalid format, missing '-' after the tool name"
         (t, v) | [tool] <- [ tool | tool <- [minBound..maxBound], low (show tool) == low t ] ->
-          pure (TarballFilter $ Right $ Just tool) <*> makeRegexOptsM compIgnoreCase execBlank (drop 1 v)
+          pure (TarballFilter $ Just tool) <*> makeRegexOptsM compIgnoreCase execBlank (drop 1 v)
-        (t, v) | [tool] <- [ tool | tool <- [minBound..maxBound], low (show tool) == low t ] ->
-          pure (TarballFilter $ Left tool) <*> makeRegexOptsM compIgnoreCase execBlank (drop 1 v)
         _ -> fail "invalid tool"
     low = fmap toLower
 
@@ -107,21 +105,26 @@ main :: IO ()
 main = do
   _ <- customExecParser (prefs showHelpOnError) (info (opts <**> helper) idm)
     >>= \Options {..} -> case optCommand of
-          ValidateYAML vopts -> withValidateYamlOpts vopts validate
+          ValidateYAML vopts -> case vopts of
-          ValidateTarballs vopts tarballFilter -> withValidateYamlOpts vopts (validateTarballs tarballFilter)
+            ValidateYAMLOpts { vInput = Nothing } ->
+              B.getContents >>= valAndExit validate
+            ValidateYAMLOpts { vInput = Just StdInput } ->
+              B.getContents >>= valAndExit validate
+            ValidateYAMLOpts { vInput = Just (FileInput file) } ->
+              B.readFile file >>= valAndExit validate
+          ValidateTarballs vopts tarballFilter -> case vopts of
+            ValidateYAMLOpts { vInput = Nothing } ->
+              B.getContents >>= valAndExit (validateTarballs tarballFilter)
+            ValidateYAMLOpts { vInput = Just StdInput } ->
+              B.getContents >>= valAndExit (validateTarballs tarballFilter)
+            ValidateYAMLOpts { vInput = Just (FileInput file) } ->
+              B.readFile file >>= valAndExit (validateTarballs tarballFilter)
   pure ()
 
  where
-  withValidateYamlOpts vopts f = case vopts of
-    ValidateYAMLOpts { vInput = Nothing } ->
-      B.getContents >>= valAndExit f
-    ValidateYAMLOpts { vInput = Just StdInput } ->
-      B.getContents >>= valAndExit f
-    ValidateYAMLOpts { vInput = Just (FileInput file) } ->
-      B.readFile file >>= valAndExit f
   valAndExit f contents = do
-    (GHCupInfo _ av gt) <- case Y.decodeEither' contents of
+    (GHCupInfo _ av) <- case Y.decodeEither' contents of
       Right r -> pure r
       Left  e -> die (color Red $ show e)
-    myLoggerT (LoggerConfig True (B.hPut stdout) (\_ -> pure ())) (f av gt)
+    myLoggerT (LoggerConfig True (B.hPut stdout) (\_ -> pure ())) (f av)
       >>= exitWith

app/ghcup-gen/Validate.hs

@@ -11,7 +11,6 @@ module Validate where
 import           GHCup
 import           GHCup.Download
 import           GHCup.Errors
-import           GHCup.Platform
 import           GHCup.Types
 import           GHCup.Types.Optics
 import           GHCup.Utils
@@ -23,7 +22,6 @@ import qualified Codec.Archive.Tar             as Tar
 #else
 import           Codec.Archive
 #endif
-import           Control.Applicative
 import           Control.Exception.Safe
 import           Control.Monad
 import           Control.Monad.IO.Class
@@ -68,9 +66,8 @@ addError = do
 
 validate :: (Monad m, MonadLogger m, MonadThrow m, MonadIO m, MonadUnliftIO m)
          => GHCupDownloads
-         -> M.Map GlobalTool DownloadInfo
          -> m ExitCode
-validate dls _ = do
+validate dls = do
   ref <- liftIO $ newIORef 0
 
   -- verify binary downloads --
@@ -184,7 +181,7 @@ validate dls _ = do
   isBase _        = False
 
 data TarballFilter = TarballFilter
-  { tfTool    :: Either GlobalTool (Maybe Tool)
+  { tfTool    :: Maybe Tool
   , tfVersion :: Regex
   }
 
@@ -194,23 +191,22 @@ validateTarballs :: ( Monad m
                     , MonadIO m
                     , MonadUnliftIO m
                     , MonadMask m
-                    , Alternative m
-                    , MonadFail m
                     )
                  => TarballFilter
                  -> GHCupDownloads
-                 -> M.Map GlobalTool DownloadInfo
                  -> m ExitCode
-validateTarballs (TarballFilter etool versionRegex) dls gt = do
+validateTarballs (TarballFilter tool versionRegex) dls = do
   ref <- liftIO $ newIORef 0
 
   flip runReaderT ref $ do
      -- download/verify all tarballs
-    let dlis = either (const []) (\tool -> nubOrd $ dls ^.. each %& indices (maybe (const True) (==) tool) %> each %& indices (matchTest versionRegex . T.unpack . prettyVer) % (viSourceDL % _Just `summing` viArch % each % each % each)) etool
+    let dlis = nubOrd $ dls ^.. each
-    let gdlis = nubOrd $ gt ^.. each
+          %& indices (maybe (const True) (==) tool) %> each
-    let allDls = either (const gdlis) (const dlis) etool
+          %& indices (matchTest versionRegex . T.unpack . prettyVer)
-    when (null allDls) $ $(logError) [i|no tarballs selected by filter|] *> addError
+          % (viSourceDL % _Just `summing` viArch % each % each % each)
-    forM_ allDls downloadAll
+    when (null dlis) $ $(logError) [i|no tarballs selected by filter|] *> addError
+
+    forM_ dlis downloadAll
 
     -- exit
     e <- liftIO $ readIORef ref
@@ -227,21 +223,11 @@ validateTarballs (TarballFilter etool versionRegex) dls gt = do
                                      }
   downloadAll dli = do
     dirs <- liftIO getDirs
-
+    let settings = AppState (Settings True False Never Curl False GHCupURL) dirs defaultKeyBindings
-    pfreq <- (
-      runLogger . runE @'[NoCompatiblePlatform, NoCompatibleArch, DistroNotFound] . liftE $ platformRequest
-      ) >>= \case
-              VRight r -> pure r
-              VLeft e -> do
-                lift $ runLogger
-                  ($(logError) $ T.pack $ prettyShow e)
-                liftIO $ exitWith (ExitFailure 2)
-
-    let appstate = AppState (Settings True False Never Curl False GHCupURL) dirs defaultKeyBindings (GHCupInfo mempty mempty mempty) pfreq
 
     r <-
       runLogger
-      . flip runReaderT appstate
+      . flip runReaderT settings
       . runResourceT
       . runE @'[DigestError
                , DownloadFailed
@@ -253,21 +239,19 @@ validateTarballs (TarballFilter etool versionRegex) dls gt = do
 #endif
                ]
       $ do
-        case etool of
+        case tool of
-          Right (Just GHCup) -> do
+          Just GHCup -> do
-            tmpUnpack <- lift mkGhcupTmpDir
+            let fn = "ghcup"
-            _ <- liftE $ download (settings appstate) dli tmpUnpack Nothing
+            dir <- liftIO ghcupCacheDir
+            p <- liftE $ download dli dir (Just fn)
+            liftE $ checkDigest dli p
             pure Nothing
-          Right _ -> do
+          _ -> do
-            p <- liftE $ downloadCached (settings appstate) dirs dli Nothing
+            p <- liftE $ downloadCached dli Nothing
             fmap (Just . head . splitDirectories . head)
               . liftE
               . getArchiveFiles
               $ p
-          Left ShimGen -> do
-            tmpUnpack <- lift mkGhcupTmpDir
-            _ <- liftE $ download (settings appstate) dli tmpUnpack Nothing
-            pure Nothing
     case r of
       VRight (Just basePath) -> do
         case _dlSubdir dli of

app/ghcup/BrickMain.hs

@@ -6,7 +6,6 @@
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE TypeApplications  #-}
 {-# LANGUAGE ViewPatterns      #-}
-{-# LANGUAGE RankNTypes        #-}
 
 module BrickMain where
 
@@ -33,7 +32,6 @@ import           Codec.Archive
 import           Control.Exception.Safe
 import           Control.Monad.Logger
 import           Control.Monad.Reader
-import           Control.Monad.Trans.Except
 import           Control.Monad.Trans.Resource
 import           Data.Bool
 import           Data.Functor
@@ -60,12 +58,11 @@ import qualified Graphics.Vty                  as Vty
 import qualified Data.Vector                   as V
 
 
-hiddenTools :: [Tool]
-hiddenTools = [Stack]
-
 
 data BrickData = BrickData
   { lr    :: [ListResult]
+  , dls   :: GHCupDownloads
+  , pfreq :: PlatformRequest
   }
   deriving Show
 
@@ -100,7 +97,7 @@ keyHandlers KeyBindings {..} =
   [ (bQuit, const "Quit"     , halt)
   , (bInstall, const "Install"  , withIOAction install')
   , (bUninstall, const "Uninstall", withIOAction del')
-  , (bSet, const "Set"      , withIOAction ((liftIO .) . set'))
+  , (bSet, const "Set"      , withIOAction set')
   , (bChangelog, const "ChangeLog", withIOAction changelog')
   , ( bShowAllVersions
     , \BrickSettings {..} ->
@@ -152,7 +149,12 @@ ui dimAttrs BrickState{ appSettings = as@BrickSettings{}, ..}
       <+> minHSize 15 (str "Version")
       <+> padLeft (Pad 1) (minHSize 25 $ str "Tags")
       <+> padLeft (Pad 5) (str "Notes")
-  renderList' = withDefAttr listAttr . drawListElements renderItem True
+  renderList' = withDefAttr listAttr . drawListElements renderItem True . filterStack
+  filterStack appState'
+    | showAllTools as = appState'
+    | let v = clr appState'
+          nv = V.filter (\ListResult{..} -> lTool /= Stack) v
+    , otherwise = BrickInternalState { clr = nv, ix = ix appState' }
   renderItem _ b listResult@ListResult{..} =
     let marks = if
           | lSet       -> (withAttr "set" $ str "✔✔")
@@ -327,25 +329,21 @@ moveCursor steps ais@BrickInternalState{..} direction =
 
 -- | Suspend the current UI and run an IO action in terminal. If the
 -- IO action returns a Left value, then it's thrown as userError.
-withIOAction :: (BrickState
+withIOAction :: (BrickState -> (Int, ListResult) -> IO (Either String a))
-                 -> (Int, ListResult)
-                 -> ReaderT AppState IO (Either String a))
              -> BrickState
              -> EventM n (Next BrickState)
 withIOAction action as = case listSelectedElement' (appState as) of
   Nothing      -> continue as
-  Just (ix, e) -> do
+  Just (ix, e) -> suspendAndResume $ do
-    suspendAndResume $ do
+    action as (ix, e) >>= \case
-      settings <- readIORef settings'
+      Left  err -> putStrLn ("Error: " <> err)
-      flip runReaderT settings $ action as (ix, e) >>= \case
+      Right _   -> putStrLn "Success"
-        Left  err -> liftIO $ putStrLn ("Error: " <> err)
+    getAppData Nothing (pfreq . appData $ as) >>= \case
-        Right _   -> liftIO $ putStrLn "Success"
+      Right data' -> do
-      getAppData Nothing >>= \case
+        putStrLn "Press enter to continue"
-        Right data' -> do
+        _ <- getLine
-          putStrLn "Press enter to continue"
+        pure (updateList data' as)
-          _ <- getLine
+      Left err -> throwIO $ userError err
-          pure (updateList data' as)
-        Left err -> throwIO $ userError err
 
 
 -- | Update app data and list internal state based on new evidence.
@@ -366,9 +364,7 @@ constructList :: BrickData
               -> Maybe BrickInternalState
               -> BrickInternalState
 constructList appD appSettings =
-  replaceLR (filterVisible (showAllVersions appSettings)
+  replaceLR (filterVisible (showAllVersions appSettings)) (lr appD)
-                           (showAllTools appSettings))
-            (lr appD)
 
 listSelectedElement' :: BrickInternalState -> Maybe (Int, ListResult)
 listSelectedElement' BrickInternalState{..} = fmap (ix, ) $ clr !? ix
@@ -401,32 +397,21 @@ replaceLR filterF lr s =
     lTool e1 == lTool e2 && lVer e1 == lVer e2 && lCross e1 == lCross e2
 
 
-filterVisible :: Bool -> Bool -> ListResult -> Bool
+filterVisible :: Bool -> ListResult -> Bool
-filterVisible v t e | lInstalled e = True
+filterVisible showAllVersions e | lInstalled e = True
-                    | v
+                                | showAllVersions = True
-                    , not t
+                                | otherwise    = not (elem Old (lTag e))
-                    , not (elem (lTool e) hiddenTools) = True
-                    | not v
-                    , t
-                    , not (elem Old (lTag e)) = True
-                    | v
-                    , t = True
-                    | otherwise = not (elem Old (lTag e)) &&
-                                  not (elem (lTool e) hiddenTools)
 
 
-install' :: (MonadReader AppState m, MonadIO m, MonadThrow m, MonadFail m, MonadMask m, MonadUnliftIO m)
+install' :: BrickState -> (Int, ListResult) -> IO (Either String ())
-         => BrickState
+install' BrickState { appData = BrickData {..} } (_, ListResult {..}) = do
-         -> (Int, ListResult)
+  settings <- readIORef settings'
-         -> m (Either String ())
+  l        <- readIORef logger'
-install' _ (_, ListResult {..}) = do
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- ask
-
-  l        <- liftIO $ readIORef logger'
   let runLogger = myLoggerT l
 
   let run =
         runLogger
+          . flip runReaderT settings
           . runResourceT
           . runE
             @'[ AlreadyInstalled
@@ -450,24 +435,24 @@ install' _ (_, ListResult {..}) = do
       case lTool of
         GHC   -> do
           let vi = getVersionInfo lVer GHC dls
-          liftE $ installGHCBin lVer $> vi
+          liftE $ installGHCBin dls lVer pfreq $> vi
         Cabal -> do
           let vi = getVersionInfo lVer Cabal dls
-          liftE $ installCabalBin lVer $> vi
+          liftE $ installCabalBin dls lVer pfreq $> vi
         GHCup -> do
           let vi = snd <$> getLatest dls GHCup
-          liftE $ upgradeGHCup Nothing False $> vi
+          liftE $ upgradeGHCup dls Nothing False pfreq $> vi
         HLS   -> do
           let vi = getVersionInfo lVer HLS dls
-          liftE $ installHLSBin lVer $> vi
+          liftE $ installHLSBin dls lVer pfreq $> vi
         Stack -> do
           let vi = getVersionInfo lVer Stack dls
-          liftE $ installStackBin lVer $> vi
+          liftE $ installStackBin dls lVer pfreq $> vi
     )
     >>= \case
           VRight vi                         -> do
             forM_ (_viPostInstall =<< vi) $ \msg ->
-              myLoggerT l $ $(logInfo) msg
+              runLogger $ $(logInfo) msg
             pure $ Right ()
           VLeft  (V (AlreadyInstalled _ _)) -> pure $ Right ()
           VLeft (V NoUpdate) -> pure $ Right ()
@@ -499,16 +484,13 @@ set' _ (_, ListResult {..}) = do
           VLeft  e -> pure $ Left (prettyShow e)
 
 
-del' :: (MonadReader AppState m, MonadIO m, MonadFail m, MonadMask m, MonadUnliftIO m)
+del' :: BrickState -> (Int, ListResult) -> IO (Either String ())
-     => BrickState
+del' BrickState { appData = BrickData {..} } (_, ListResult {..}) = do
-     -> (Int, ListResult)
+  settings <- readIORef settings'
-     -> m (Either String ())
+  l        <- readIORef logger'
-del' _ (_, ListResult {..}) = do
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- ask
-
-  l <- liftIO $ readIORef logger'
   let runLogger = myLoggerT l
-  let run = myLoggerT l . runE @'[NotInstalled]
+
+  let run = runLogger . flip runReaderT settings . runE @'[NotInstalled]
 
   run (do
       let vi = getVersionInfo lVer lTool dls
@@ -527,12 +509,8 @@ del' _ (_, ListResult {..}) = do
           VLeft  e -> pure $ Left (prettyShow e)
 
 
-changelog' :: (MonadReader AppState m, MonadIO m)
+changelog' :: BrickState -> (Int, ListResult) -> IO (Either String ())
-           => BrickState
+changelog' BrickState { appData = BrickData {..} } (_, ListResult {..}) = do
-           -> (Int, ListResult)
-           -> m (Either String ())
-changelog' _ (_, ListResult {..}) = do
-  AppState { pfreq, ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- ask
   case getChangeLog dls lTool (Left lVer) of
     Nothing -> pure $ Left
       [i|Could not find ChangeLog for #{lTool}, version #{prettyVer lVer}|]
@@ -561,8 +539,6 @@ settings' = unsafePerformIO $ do
                                 })
                       dirs
                       defaultKeyBindings
-                      (GHCupInfo mempty mempty mempty)
-                      (PlatformRequest A_64 Darwin Nothing)
 
 
 
@@ -578,9 +554,10 @@ logger' = unsafePerformIO
 
 brickMain :: AppState
           -> LoggerConfig
-          -> GHCupInfo
+          -> GHCupDownloads
+          -> PlatformRequest
           -> IO ()
-brickMain s l gi = do
+brickMain s l av pfreq' = do
   writeIORef settings' s
   -- logger interpreter
   writeIORef logger'   l
@@ -588,7 +565,7 @@ brickMain s l gi = do
 
   no_color <- isJust <$> lookupEnv "NO_COLOR"
 
-  eAppData <- getAppData (Just gi)
+  eAppData <- getAppData (Just av) pfreq'
   case eAppData of
     Right ad ->
       defaultMain
@@ -609,8 +586,8 @@ defaultAppSettings :: BrickSettings
 defaultAppSettings = BrickSettings { showAllVersions = False, showAllTools = False }
 
 
-getGHCupInfo :: IO (Either String GHCupInfo)
+getDownloads' :: IO (Either String GHCupDownloads)
-getGHCupInfo = do
+getDownloads' = do
   settings <- readIORef settings'
   l        <- readIORef logger'
   let runLogger = myLoggerT l
@@ -619,25 +596,29 @@ getGHCupInfo = do
     runLogger
     . flip runReaderT settings
     . runE @'[JSONError , DownloadFailed , FileDoesNotExistError]
+    $ fmap _ghcupDownloads
     $ liftE
-    $ getDownloadsF (GT.settings settings) (GT.dirs settings)
+    $ getDownloadsF (urlSource . GT.settings $ settings)
 
   case r of
     VRight a -> pure $ Right a
     VLeft  e -> pure $ Left (prettyShow e)
 
 
-getAppData :: Maybe GHCupInfo
+getAppData :: Maybe GHCupDownloads
+           -> PlatformRequest
            -> IO (Either String BrickData)
-getAppData mgi = runExceptT $ do
+getAppData mg pfreq' = do
-  l        <- liftIO $ readIORef logger'
+  settings <- readIORef settings'
+  l        <- readIORef logger'
   let runLogger = myLoggerT l
 
-  r <- ExceptT $ maybe getGHCupInfo (pure . Right) mgi
+  r <- maybe getDownloads' (pure . Right) mg
-  liftIO $ modifyIORef settings' (\s -> s { ghcupInfo = r })
-  settings <- liftIO $ readIORef settings'
 
   runLogger . flip runReaderT settings $ do
-    lV <- listVersions Nothing Nothing
+    case r of
-    pure $ BrickData (reverse lV)
+      Right dls -> do
+        lV <- listVersions dls Nothing Nothing pfreq'
+        pure $ Right $ BrickData (reverse lV) dls pfreq'
+      Left e -> pure $ Left [i|#{e}|]
 

app/ghcup/Main.hs

@@ -79,6 +79,8 @@ import qualified Text.Megaparsec.Char          as MPC
 
 
 
+
+
 data Options = Options
   {
   -- global options
@@ -100,11 +102,9 @@ data Command
   | Rm (Either RmCommand RmOptions)
   | DInfo
   | Compile CompileCommand
-  | Whereis WhereisOptions WhereisCommand
   | Upgrade UpgradeOpts Bool
   | ToolRequirements
   | ChangeLog ChangeLogOptions
-  | Nuke
 #if defined(BRICK)
   | Interactive
 #endif
@@ -176,7 +176,6 @@ data GHCCompileOptions = GHCCompileOptions
   , crossTarget  :: Maybe Text
   , addConfArgs  :: [Text]
   , setCompile   :: Bool
-  , ovewrwiteVer :: Maybe Version
   }
 
 data UpgradeOpts = UpgradeInplace
@@ -191,13 +190,6 @@ data ChangeLogOptions = ChangeLogOptions
   }
 
 
-data WhereisCommand = WhereisTool Tool (Maybe ToolVersion)
-
-data WhereisOptions = WhereisOptions {
-   directory :: Bool
-}
-
-
 -- https://github.com/pcapriotti/optparse-applicative/issues/148
 
 -- | A switch that can be enabled using --foo and disabled using --no-foo.
@@ -228,7 +220,7 @@ invertableSwitch'
     -> Mod FlagFields Bool -- ^ option modifier for --no-foo
     -> Parser (Maybe Bool)
 invertableSwitch' longopt shortopt defv enmod dismod = optional
-    ( flag' True ( enmod <> long longopt <> if defv then mempty else short shortopt)
+    ( flag' True (enmod <> long longopt <> if defv then mempty else short shortopt)
     <|> flag' False (dismod <> long nolongopt <> if defv then short shortopt else mempty)
     )
   where
@@ -301,7 +293,7 @@ com =
           (   Install
           <$> info
                 (installParser <**> helper)
-                (  progDesc "Install or update GHC/cabal/HLS"
+                (  progDesc "Install or update GHC/cabal"
                 <> footerDoc (Just $ text installToolFooter)
                 )
           )
@@ -317,7 +309,7 @@ com =
            "rm"
            (info
              (Rm <$> rmParser <**> helper)
-             (  progDesc "Remove a GHC/cabal/HLS version"
+             (  progDesc "Remove a GHC/cabal version"
              <> footerDoc (Just $ text rmFooter)
              )
            )
@@ -343,17 +335,6 @@ com =
            <$> info (compileP <**> helper)
                     (progDesc "Compile a tool from source")
            )
-      <> command
-           "whereis"
-            (info
-             (   (Whereis
-                     <$> (WhereisOptions <$> switch (short 'd' <> long "directory" <> help "return directory of the binary instead of the binary location"))
-                     <*> whereisP
-                 ) <**> helper
-             )
-             (progDesc "Find a tools location"
-             <> footerDoc ( Just $ text whereisFooter ))
-           )
       <> commandGroup "Main commands:"
       )
     <|> subparser
@@ -388,14 +369,6 @@ com =
               )
           <> internal
           )
-     <|> subparser
-          (command
-              "nuke"
-               (info (pure Nuke <**> helper)
-                     (progDesc "Completely remove ghcup from your system"))
-           <> commandGroup "Nuclear Commands:"
-          )
-
  where
   installToolFooter :: String
   installToolFooter = [s|Discussion:
@@ -421,22 +394,6 @@ com =
   By default returns the URI of the ChangeLog of the latest GHC release.
   Pass '-o' to automatically open via xdg-open.|]
 
-  whereisFooter :: String
-  whereisFooter = [s|Discussion:
-  Finds the location of a tool. For GHC, this is the ghc binary, that
-  usually resides in a self-contained "~/.ghcup/ghc/<ghcver>" directory.
-  For cabal/stack/hls this the binary usually at "~/.ghcup/bin/<tool>-<ver>".
-
-Examples:
-  # outputs ~/.ghcup/ghc/8.10.5/bin/ghc.exe
-  ghcup whereis ghc 8.10.5
-  # outputs ~/.ghcup/ghc/8.10.5/bin/
-  ghcup whereis --directory ghc 8.10.5
-  # outputs ~/.ghcup/bin/cabal-3.4.0.0
-  ghcup whereis cabal 3.4.0.0
-  # outputs ~/.ghcup/bin/
-  ghcup whereis --directory cabal 3.4.0.0|]
-
 
 installCabalFooter :: String
 installCabalFooter = [s|Discussion:
@@ -742,86 +699,6 @@ Examples:
   ghcup compile ghc -j 4 -v 8.4.2 -b 8.2.2 -x armv7-unknown-linux-gnueabihf --config $(pwd)/build.mk -- --enable-unregisterised|]
 
 
-whereisP :: Parser WhereisCommand
-whereisP = subparser
-  (  command
-      "ghc"
-      (WhereisTool GHC <$> info
-        ( optional (toolVersionArgument Nothing (Just GHC)) <**> helper )
-        ( progDesc "Get GHC location"
-        <> footerDoc (Just $ text whereisGHCFooter ))
-      )
-      <>
-     command
-      "cabal"
-      (WhereisTool Cabal <$> info
-        ( optional (toolVersionArgument Nothing (Just Cabal)) <**> helper )
-        ( progDesc "Get cabal location"
-        <> footerDoc (Just $ text whereisCabalFooter ))
-      )
-      <>
-     command
-      "hls"
-      (WhereisTool HLS <$> info
-        ( optional (toolVersionArgument Nothing (Just HLS)) <**> helper )
-        ( progDesc "Get HLS location"
-        <> footerDoc (Just $ text whereisHLSFooter ))
-      )
-      <>
-     command
-      "stack"
-      (WhereisTool Stack <$> info
-        ( optional (toolVersionArgument Nothing (Just Stack)) <**> helper )
-        ( progDesc "Get stack location"
-        <> footerDoc (Just $ text whereisStackFooter ))
-      )
-      <>
-     command
-      "ghcup"
-      (WhereisTool GHCup <$> info ( (pure Nothing) <**> helper ) ( progDesc "Get ghcup location" ))
-  )
- where
-  whereisGHCFooter = [s|Discussion:
-  Finds the location of a GHC executable, which usually resides in
-  a self-contained "~/.ghcup/ghc/<ghcver>" directory.
-
-Examples:
-  # outputs ~/.ghcup/ghc/8.10.5/bin/ghc.exe
-  ghcup whereis ghc 8.10.5
-  # outputs ~/.ghcup/ghc/8.10.5/bin/
-  ghcup whereis --directory ghc 8.10.5 |]
-
-  whereisCabalFooter = [s|Discussion:
-  Finds the location of a Cabal executable, which usually resides in
-  "~/.ghcup/bin/".
-
-Examples:
-  # outputs ~/.ghcup/bin/cabal-3.4.0.0
-  ghcup whereis cabal 3.4.0.0
-  # outputs ~/.ghcup/bin
-  ghcup whereis --directory cabal 3.4.0.0|]
-
-  whereisHLSFooter = [s|Discussion:
-  Finds the location of a HLS executable, which usually resides in
-  "~/.ghcup/bin/".
-
-Examples:
-  # outputs ~/.ghcup/bin/haskell-language-server-wrapper-1.2.0
-  ghcup whereis hls 1.2.0
-  # outputs ~/.ghcup/bin/
-  ghcup whereis --directory hls 1.2.0|]
-
-  whereisStackFooter = [s|Discussion:
-  Finds the location of a stack executable, which usually resides in
-  "~/.ghcup/bin/".
-
-Examples:
-  # outputs ~/.ghcup/bin/stack-2.7.1
-  ghcup whereis stack 2.7.1
-  # outputs ~/.ghcup/bin/
-  ghcup whereis --directory stack 2.7.1|]
-
-
 ghcCompileOpts :: Parser GHCCompileOptions
 ghcCompileOpts =
   GHCCompileOptions
@@ -887,15 +764,6 @@ ghcCompileOpts =
           (long "set" <> help
             "Set as active version after install"
           )
-    <*> optional
-          (option
-            (eitherReader
-              (first (const "Not a valid version") . version . T.pack)
-            )
-            (short 'o' <> long "overwrite-version" <> metavar "OVERWRITE_VERSION" <> help
-              "Allows to overwrite the finally installed VERSION with a different one, e.g. when you build 8.10.4 with your own patches, you might want to set this to '8.10.4-p1'"
-            )
-          )
 
 
 toolVersionParser :: Parser ToolVersion
@@ -939,47 +807,53 @@ versionArgument criteria tool = argument (eitherReader tVersionEither) (metavar
 
 tagCompleter :: Tool -> [String] -> Completer
 tagCompleter tool add = listIOCompleter $ do
-  dirs' <- liftIO getDirs
   let loggerConfig = LoggerConfig
         { lcPrintDebug = False
         , colorOutter  = mempty
         , rawOutter    = mempty
         }
-  let runLogger = myLoggerT loggerConfig
+
-  mGhcUpInfo <- runLogger . runE $ readFromCache dirs'
+      runLogger = myLoggerT loggerConfig
+
+  dirs <- getDirs
+  let simpleSettings = Settings False False Never Curl False GHCupURL
+      simpleAppState = AppState simpleSettings dirs defaultKeyBindings
+      runEnv = runLogger . flip runReaderT simpleAppState
+
+  mGhcUpInfo <- runEnv . runE $ readFromCache
+
   case mGhcUpInfo of
-    VRight ghcupInfo -> do
+    VRight dls -> do
       let allTags = filter (\t -> t /= Old)
             $ join
             $ M.elems
-            $ availableToolVersions (_ghcupDownloads ghcupInfo) tool
+            $ availableToolVersions (_ghcupDownloads dls) tool
       pure $ nub $ (add ++) $ fmap tagToString allTags
     VLeft _ -> pure  (nub $ ["recommended", "latest"] ++ add)
 
 
 versionCompleter :: Maybe ListCriteria -> Tool -> Completer
 versionCompleter criteria tool = listIOCompleter $ do
-  dirs' <- liftIO getDirs
   let loggerConfig = LoggerConfig
         { lcPrintDebug = False
         , colorOutter  = mempty
         , rawOutter    = mempty
         }
-  let runLogger = myLoggerT loggerConfig
+
-  mGhcUpInfo <- runLogger . runE $ readFromCache dirs'
+      runLogger = myLoggerT loggerConfig
+
   mpFreq <- runLogger . runE $ platformRequest
-  forFold mpFreq $ \pfreq ->
-    forFold mGhcUpInfo $ \ghcupInfo -> do
-      let appState = AppState
-            (Settings True False Never Curl False GHCupURL)
-            dirs'
-            defaultKeyBindings
-            ghcupInfo
-            pfreq
 
-          runEnv = runLogger . flip runReaderT appState
+  forFold mpFreq $ \pfreq -> do
+    dirs <- getDirs
+    let simpleSettings = Settings False False Never Curl False GHCupURL
+        simpleAppState = AppState simpleSettings dirs defaultKeyBindings
+        runEnv = runLogger . flip runReaderT simpleAppState
 
-      installedVersions <- runEnv $ listVersions (Just tool) criteria
+    mGhcUpInfo <- runEnv . runE $ readFromCache
+
+    forFold mGhcUpInfo $ \(GHCupInfo _ dls) -> do
+      installedVersions <- runEnv $ listVersions dls (Just tool) criteria pfreq
       return $ T.unpack . prettyVer . lVer <$> installedVersions
 
 
@@ -1100,8 +974,9 @@ bindistParser :: String -> Either String URI
 bindistParser = first show . parseURI strictURIParserOptions . UTF8.fromString
 
 
-toSettings :: Options -> IO (Settings, KeyBindings)
+toSettings :: Options -> IO AppState
 toSettings options = do
+  dirs <- getDirs
   userConf <- runE @'[ JSONError ] ghcupConfigFile >>= \case
     VRight r -> pure r
     VLeft (V (JSONDecodeError e)) -> do
@@ -1109,10 +984,10 @@ toSettings options = do
       pure defaultUserSettings
     _ -> do
       die "Unexpected error!"
-  pure $ mergeConf options userConf
+  pure $ mergeConf options dirs userConf
  where
-   mergeConf :: Options -> UserSettings -> (Settings, KeyBindings)
+   mergeConf :: Options -> Dirs -> UserSettings -> AppState
-   mergeConf Options{..} UserSettings{..} =
+   mergeConf Options{..} dirs UserSettings{..} =
      let cache       = fromMaybe (fromMaybe False uCache) optCache
          noVerify    = fromMaybe (fromMaybe False uNoVerify) optNoVerify
          verbose     = fromMaybe (fromMaybe False uVerbose) optVerbose
@@ -1120,7 +995,7 @@ toSettings options = do
          downloader  = fromMaybe (fromMaybe defaultDownloader uDownloader) optsDownloader
          keyBindings = maybe defaultKeyBindings mergeKeys uKeyBindings
          urlSource   = maybe (fromMaybe GHCupURL uUrlSource) OwnSource optUrlSource
-     in (Settings {..}, keyBindings)
+     in AppState (Settings {..}) dirs keyBindings
 #if defined(INTERNAL_DOWNLOADER)
    defaultDownloader = Internal
 #else
@@ -1163,10 +1038,7 @@ upgradeOptsP =
 describe_result :: String
 describe_result = $( LitE . StringL <$>
                      runIO (do
-                             CapturedProcess{..} <-  do
+                             CapturedProcess{..} <- executeOut "git" ["describe"] Nothing
-                              dirs <- liftIO getDirs
-                              let settings = AppState (Settings True False Never Curl False GHCupURL) dirs defaultKeyBindings
-                              flip runReaderT settings $ executeOut "git" ["describe"] Nothing
                              case _exitCode of
                                ExitSuccess   -> pure . T.unpack . decUTF8Safe' $ _stdOut
                                ExitFailure _ -> pure numericVer
@@ -1176,11 +1048,6 @@ describe_result = $( LitE . StringL <$>
 
 main :: IO ()
 main = do
-  -- https://gitlab.haskell.org/ghc/ghc/issues/8118
-  setLocaleEncoding utf8
-
-  void enableAnsiSupport
-
   let versionHelp = infoOption
         ( ("The GHCup Haskell installer, version " <>)
           (head . lines $ describe_result)
@@ -1217,82 +1084,28 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
             (footerDoc (Just $ text main_footer))
       )
     >>= \opt@Options {..} -> do
-          dirs <- getDirs
+          appstate@AppState{dirs = Dirs{..}, ..} <- toSettings opt
 
           -- create ~/.ghcup dir
-          ensureDirectories dirs
+          createDirRecursive' baseDir
-
-          (settings, keybindings) <- toSettings opt
 
           -- logger interpreter
-          logfile <- initGHCupFileLogging (logsDir dirs)
+          logfile <- flip runReaderT appstate $ initGHCupFileLogging
           let loggerConfig = LoggerConfig
                 { lcPrintDebug = verbose settings
                 , colorOutter  = B.hPut stderr
-                , rawOutter    =
+                , rawOutter    = B.appendFile logfile
-                    case optCommand of
-                      Nuke -> \_ -> pure ()
-                      _ -> B.appendFile logfile
                 }
           let runLogger = myLoggerT loggerConfig
-          let siletRunLogger = myLoggerT loggerConfig { colorOutter = \_ -> pure () }
-
-          pfreq <- (
-            runLogger . runE @'[NoCompatiblePlatform, NoCompatibleArch, DistroNotFound] . liftE $ platformRequest
-            ) >>= \case
-                    VRight r -> pure r
-                    VLeft e -> do
-                      runLogger
-                        ($(logError) $ T.pack $ prettyShow e)
-                      exitWith (ExitFailure 2)
-
-
-
-          ----------------------------------------
-          -- Getting download and platform info --
-          ----------------------------------------
-
-          ghcupInfo <-
-            ( runLogger
-              . runE @'[JSONError , DownloadFailed, FileDoesNotExistError]
-              $ liftE
-              $ getDownloadsF settings dirs
-              )
-              >>= \case
-                    VRight r -> pure r
-                    VLeft  e -> do
-                      runLogger
-                        ($(logError) $ T.pack $ prettyShow e)
-                      exitWith (ExitFailure 2)
-
-          let appstate@AppState{dirs = Dirs{..}
-                               , ghcupInfo = GHCupInfo { _ghcupDownloads = dls, .. }
-                               } = AppState settings dirs keybindings ghcupInfo pfreq
-
-          case optCommand of
-            Upgrade _ _ -> pure ()
-            _ -> do
-              lookupEnv "GHCUP_SKIP_UPDATE_CHECK" >>= \case
-                Nothing -> runLogger $ flip runReaderT appstate $ checkForUpdates
-                Just _ -> pure ()
-
-
-          -- ensure global tools
-          (siletRunLogger $ flip runReaderT appstate $ runE ensureGlobalTools) >>= \case
-            VRight _ -> pure ()
-            VLeft e -> do
-              runLogger
-                ($(logError) $ T.pack $ prettyShow e)
-              exitWith (ExitFailure 30)
 
 
           -------------------------
           -- Effect interpreters --
           -------------------------
 
-          let runInstTool' appstate' mInstPlatform =
+          let runInstTool' appstate' =
                 runLogger
-                  . flip runReaderT (maybe appstate' (\x -> appstate'{ pfreq = x }) mInstPlatform)
+                  . flip runReaderT appstate'
                   . runResourceT
                   . runE
                     @'[ AlreadyInstalled
@@ -1381,17 +1194,6 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 #endif
                       ]
 
-          let
-            runWhereIs =
-              runLogger
-                . flip runReaderT appstate
-                . runE
-                  @'[ NotInstalled
-                    , NoToolVersionSet
-                    , NextVerNotFound
-                    , TagNotFound
-                    ]
-
           let runUpgrade =
                 runLogger
                   . flip runReaderT appstate
@@ -1406,22 +1208,57 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                       ]
 
 
+          ----------------------------------------
+          -- Getting download and platform info --
+          ----------------------------------------
+
+          pfreq <- (
+            runLogger . runE @'[NoCompatiblePlatform, NoCompatibleArch, DistroNotFound] . liftE $ platformRequest
+            ) >>= \case
+                    VRight r -> pure r
+                    VLeft e -> do
+                      runLogger
+                        ($(logError) $ T.pack $ prettyShow e)
+                      exitWith (ExitFailure 2)
+
+
+          (GHCupInfo treq dls) <-
+            ( runLogger
+              . flip runReaderT appstate
+              . runE @'[JSONError , DownloadFailed, FileDoesNotExistError]
+              $ liftE
+              $ getDownloadsF (urlSource settings)
+              )
+              >>= \case
+                    VRight r -> pure r
+                    VLeft  e -> do
+                      runLogger
+                        ($(logError) $ T.pack $ prettyShow e)
+                      exitWith (ExitFailure 2)
+
+          case optCommand of
+            Upgrade _ _ -> pure ()
+            _ -> runLogger $ flip runReaderT appstate $ checkForUpdates dls pfreq
+
+
+
           -----------------------
           -- Command functions --
           -----------------------
 
           let installGHC InstallOptions{..} =
                   (case instBindist of
-                     Nothing -> runInstTool instPlatform $ do
+                     Nothing -> runInstTool $ do
-                       (v, vi) <- liftE $ fromVersion instVer GHC
+                       (v, vi) <- liftE $ fromVersion dls instVer GHC
-                       liftE $ installGHCBin (_tvVersion v)
+                       liftE $ installGHCBin dls (_tvVersion v) (fromMaybe pfreq instPlatform)
                        when instSet $ void $ liftE $ setGHC v SetGHCOnly
                        pure vi
-                     Just uri -> runInstTool' appstate{ settings = settings {noVerify = True}} instPlatform $ do
+                     Just uri -> runInstTool' appstate{ settings = settings {noVerify = True}} $ do
-                       (v, vi) <- liftE $ fromVersion instVer GHC
+                       (v, vi) <- liftE $ fromVersion dls instVer GHC
                        liftE $ installGHCBindist
                          (DownloadInfo uri (Just $ RegexDir "ghc-.*") "")
                          (_tvVersion v)
+                         (fromMaybe pfreq instPlatform)
                        when instSet $ void $ liftE $ setGHC v SetGHCOnly
                        pure vi
                     )
@@ -1437,8 +1274,8 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                             pure ExitSuccess
                           VLeft err@(V (BuildFailed tmpdir _)) -> do
                             case keepDirs settings of
-                              Never -> myLoggerT loggerConfig $ ($(logError) $ T.pack $ prettyShow err)
+                              Never -> runLogger ($(logError) $ T.pack $ prettyShow err)
-                              _ -> myLoggerT loggerConfig $ ($(logError) [i|#{prettyShow err}
+                              _ -> runLogger ($(logError) [i|#{prettyShow err}
     Check the logs at #{logsDir} and the build directory #{tmpdir} for more clues.
     Make sure to clean up #{tmpdir} afterwards.|])
                             pure $ ExitFailure 3
@@ -1451,15 +1288,16 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
           let installCabal InstallOptions{..} =
                 (case instBindist of
-                   Nothing -> runInstTool instPlatform $ do
+                   Nothing -> runInstTool $ do
-                     (v, vi) <- liftE $ fromVersion instVer Cabal
+                     (v, vi) <- liftE $ fromVersion dls instVer Cabal
-                     liftE $ installCabalBin (_tvVersion v)
+                     liftE $ installCabalBin dls (_tvVersion v) (fromMaybe pfreq instPlatform)
                      pure vi
-                   Just uri -> runInstTool' appstate{ settings = settings { noVerify = True}} instPlatform $ do
+                   Just uri -> runInstTool' appstate{ settings = settings { noVerify = True}} $ do
-                     (v, vi) <- liftE $ fromVersion instVer Cabal
+                     (v, vi) <- liftE $ fromVersion dls instVer Cabal
                      liftE $ installCabalBindist
                          (DownloadInfo uri Nothing "")
                          (_tvVersion v)
+                         (fromMaybe pfreq instPlatform)
                      pure vi
                   )
                   >>= \case
@@ -1480,15 +1318,16 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
           let installHLS InstallOptions{..} =
                 (case instBindist of
-                   Nothing -> runInstTool instPlatform $ do
+                   Nothing -> runInstTool $ do
-                     (v, vi) <- liftE $ fromVersion instVer HLS
+                     (v, vi) <- liftE $ fromVersion dls instVer HLS
-                     liftE $ installHLSBin (_tvVersion v)
+                     liftE $ installHLSBin dls (_tvVersion v) (fromMaybe pfreq instPlatform)
                      pure vi
-                   Just uri -> runInstTool' appstate{ settings = settings { noVerify = True}} instPlatform $ do
+                   Just uri -> runInstTool' appstate{ settings = settings { noVerify = True}} $ do
-                     (v, vi) <- liftE $ fromVersion instVer HLS
+                     (v, vi) <- liftE $ fromVersion dls instVer HLS
                      liftE $ installHLSBindist
                          (DownloadInfo uri Nothing "")
                          (_tvVersion v)
+                         (fromMaybe pfreq instPlatform)
                      pure vi
                   )
                   >>= \case
@@ -1509,15 +1348,16 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
           let installStack InstallOptions{..} =
                 (case instBindist of
-                   Nothing -> runInstTool instPlatform $ do
+                   Nothing -> runInstTool $ do
-                     (v, vi) <- liftE $ fromVersion instVer Stack
+                     (v, vi) <- liftE $ fromVersion dls instVer Stack
-                     liftE $ installStackBin (_tvVersion v)
+                     liftE $ installStackBin dls (_tvVersion v) (fromMaybe pfreq instPlatform)
                      pure vi
-                   Just uri -> runInstTool' appstate{ settings = settings { noVerify = True}} instPlatform $ do
+                   Just uri -> runInstTool' appstate{ settings = settings { noVerify = True}} $ do
-                     (v, vi) <- liftE $ fromVersion instVer Stack
+                     (v, vi) <- liftE $ fromVersion dls instVer Stack
                      liftE $ installStackBindist
                          (DownloadInfo uri Nothing "")
                          (_tvVersion v)
+                         (fromMaybe pfreq instPlatform)
                      pure vi
                   )
                   >>= \case
@@ -1539,7 +1379,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
           let setGHC' SetOptions{..} =
                 runSetGHC (do
-                    v <- liftE $ fst <$> fromVersion' sToolVer GHC
+                    v <- liftE $ fst <$> fromVersion' dls sToolVer GHC
                     liftE $ setGHC v SetGHCOnly
                   )
                   >>= \case
@@ -1554,7 +1394,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
           let setCabal' SetOptions{..} =
                 runSetCabal (do
-                    v <- liftE $ fst <$> fromVersion' sToolVer Cabal
+                    v <- liftE $ fst <$> fromVersion' dls sToolVer Cabal
                     liftE $ setCabal (_tvVersion v)
                     pure v
                   )
@@ -1570,7 +1410,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
           let setHLS' SetOptions{..} =
                 runSetHLS (do
-                    v <- liftE $ fst <$> fromVersion' sToolVer HLS
+                    v <- liftE $ fst <$> fromVersion' dls sToolVer HLS
                     liftE $ setHLS (_tvVersion v)
                     pure v
                   )
@@ -1586,7 +1426,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
           let setStack' SetOptions{..} =
                 runSetCabal (do
-                    v <- liftE $ fst <$> fromVersion' sToolVer Stack
+                    v <- liftE $ fst <$> fromVersion' dls sToolVer Stack
                     liftE $ setStack (_tvVersion v)
                     pure v
                   )
@@ -1662,8 +1502,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
           res <- case optCommand of
 #if defined(BRICK)
-            Interactive -> do
+            Interactive -> liftIO $ brickMain appstate loggerConfig dls pfreq >> pure ExitSuccess
-              liftIO $ brickMain appstate loggerConfig ghcupInfo >> pure ExitSuccess
 #endif
             Install (Right iopts) -> do
               runLogger ($(logWarn) [i|This is an old-style command for installing GHC. Use 'ghcup install ghc' instead.|])
@@ -1686,7 +1525,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
 
             List ListOptions {..} ->
               runListGHC (do
-                  l <- listVersions loTool lCriteria
+                  l <- listVersions dls loTool lCriteria pfreq
                   liftIO $ printListResult lRawFormat l
                   pure ExitSuccess
                 )
@@ -1720,14 +1559,14 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                         "...waiting for 5 seconds, you can still abort..."
                       liftIO $ threadDelay 5000000 -- for compilation, give the user a sec to intervene
                   Right _ -> pure ()
-                targetVer <- liftE $ compileGHC
+                targetVer <- liftE $ compileGHC dls
                             (first (GHCTargetVersion crossTarget) targetGhc)
-                            ovewrwiteVer
                             bootstrapGhc
                             jobs
                             buildConfig
                             patchDir
                             addConfArgs
+                            pfreq
                 let vi = getVersionInfo (_tvVersion targetVer) GHC dls
                 when setCompile $ void $ liftE $
                   setGHC targetVer SetGHCOnly
@@ -1746,8 +1585,8 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                         pure ExitSuccess
                       VLeft err@(V (BuildFailed tmpdir _)) -> do
                         case keepDirs settings of
-                          Never -> myLoggerT loggerConfig $ $(logError) $ T.pack $ prettyShow err
+                          Never -> runLogger $ $(logError) $ T.pack $ prettyShow err
-                          _ -> myLoggerT loggerConfig $ ($(logError) [i|#{prettyShow err}
+                          _ -> runLogger ($(logError) [i|#{prettyShow err}
 Check the logs at #{logsDir} and the build directory #{tmpdir} for more clues.
 Make sure to clean up #{tmpdir} afterwards.|])
                         pure $ ExitFailure 9
@@ -1755,29 +1594,13 @@ Make sure to clean up #{tmpdir} afterwards.|])
                         runLogger $ $(logError) $ T.pack $ prettyShow e
                         pure $ ExitFailure 9
 
-            Whereis WhereisOptions{..} (WhereisTool tool whereVer) ->
-              runWhereIs (do
-                (v, _) <- liftE $ fromVersion whereVer tool
-                loc <- liftE $ whereIsTool tool v
-                if directory
-                then pure $ takeDirectory loc
-                else pure loc
-                )
-                >>= \case
-                      VRight r -> do
-                        putStr r
-                        pure ExitSuccess
-                      VLeft e -> do
-                        runLogger $ $(logError) $ T.pack $ prettyShow e
-                        pure $ ExitFailure 30
-
             Upgrade uOpts force -> do
               target <- case uOpts of
                 UpgradeInplace  -> Just <$> liftIO getExecutablePath
                 (UpgradeAt p)   -> pure $ Just p
-                UpgradeGHCupDir -> pure (Just (binDir </> "ghcup" <> exeExt))
+                UpgradeGHCupDir -> pure (Just (binDir </> "ghcup"))
 
-              runUpgrade (liftE $ upgradeGHCup target force) >>= \case
+              runUpgrade (liftE $ upgradeGHCup dls target force pfreq) >>= \case
                 VRight v' -> do
                   let pretty_v = prettyVer v'
                   let vi = fromJust $ snd <$> getLatest dls GHCup
@@ -1794,13 +1617,12 @@ Make sure to clean up #{tmpdir} afterwards.|])
                   pure $ ExitFailure 11
 
             ToolRequirements ->
-              flip runReaderT appstate
+              runLogger
-              $ runLogger
                 (runE
                   @'[NoCompatiblePlatform , DistroNotFound , NoToolRequirements]
                 $ do
                     platform <- liftE getPlatform
-                    req      <- getCommonRequirements platform _toolRequirements ?? NoToolRequirements
+                    req      <- getCommonRequirements platform treq ?? NoToolRequirements
                     liftIO $ T.hPutStr stdout (prettyRequirements req)
                 )
                 >>= \case
@@ -1836,7 +1658,6 @@ Make sure to clean up #{tmpdir} afterwards.|])
 
                   if clOpen
                     then
-                      flip runReaderT appstate $
                       exec cmd
                            [T.unpack $ decUTF8Safe $ serializeURIRef' uri]
                            Nothing
@@ -1847,78 +1668,42 @@ Make sure to clean up #{tmpdir} afterwards.|])
                                 >> pure (ExitFailure 13)
                     else putStrLn uri' >> pure ExitSuccess
 
-            Nuke ->
-              runRm (do
-                   lift $ $logWarn "WARNING: This will remove GHCup and all installed components from your system."
-                   lift $ $logWarn "Waiting 10 seconds before commencing, if you want to cancel it, now would be the time."
-                   liftIO $ threadDelay 10000000  -- wait 10s
-
-                   lift $ $logInfo "Initiating Nuclear Sequence 🚀🚀🚀"
-                   lift $ $logInfo "Nuking in 3...2...1"
-              
-                   lInstalled <- lift $ listVersions Nothing (Just ListInstalled)
-
-                   forM_ lInstalled (liftE . rmTool)
-
-                   lift rmGhcupDirs
-
-                   ) >>= \case
-                            VRight leftOverFiles
-                              | null leftOverFiles -> do
-                                  runLogger $ $logInfo "Nuclear Annihilation complete!"
-                                  pure ExitSuccess
-                              | otherwise -> do
-                                  runLogger $ $logWarn "These Files have survived Nuclear Annihilation, you may remove them manually."
-                                  forM_ leftOverFiles putStrLn
-                                  pure ExitSuccess
-
-                            VLeft e -> do
-                              runLogger $ $(logError) $ T.pack $ prettyShow e
-                              pure $ ExitFailure 15
-
-
           case res of
             ExitSuccess        -> pure ()
             ef@(ExitFailure _) -> exitWith ef
-
-
   pure ()
 
 fromVersion :: (MonadLogger m, MonadFail m, MonadReader AppState m, MonadThrow m, MonadIO m, MonadCatch m)
-            => Maybe ToolVersion
+            => GHCupDownloads
+            -> Maybe ToolVersion
             -> Tool
             -> Excepts '[TagNotFound, NextVerNotFound, NoToolVersionSet] m (GHCTargetVersion, Maybe VersionInfo)
-fromVersion tv = fromVersion' (toSetToolVer tv)
+fromVersion av tv = fromVersion' av (toSetToolVer tv)
 
 fromVersion' :: (MonadLogger m, MonadFail m, MonadReader AppState m, MonadThrow m, MonadIO m, MonadCatch m)
-             => SetToolVersion
+             => GHCupDownloads
+             -> SetToolVersion
              -> Tool
              -> Excepts '[TagNotFound, NextVerNotFound, NoToolVersionSet] m (GHCTargetVersion, Maybe VersionInfo)
-fromVersion' SetRecommended tool = do
+fromVersion' av SetRecommended tool =
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- lift ask
+  (\(x, y) -> (mkTVer x, Just y)) <$> getRecommended av tool
-  (\(x, y) -> (mkTVer x, Just y)) <$> getRecommended dls tool
     ?? TagNotFound Recommended tool
-fromVersion' (SetToolVersion v) tool = do
+fromVersion' av (SetToolVersion v) tool = do
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- lift ask
+  let vi = getVersionInfo (_tvVersion v) tool av
-  let vi = getVersionInfo (_tvVersion v) tool dls
   case pvp $ prettyVer (_tvVersion v) of
     Left _ -> pure (v, vi)
     Right (PVP (major' :|[minor'])) ->
-      case getLatestGHCFor (fromIntegral major') (fromIntegral minor') dls of
+      case getLatestGHCFor (fromIntegral major') (fromIntegral minor') av of
         Just (v', vi') -> pure (GHCTargetVersion (_tvTarget v) v', Just vi')
         Nothing -> pure (v, vi)
     Right _ -> pure (v, vi)
-fromVersion' (SetToolTag Latest) tool = do
+fromVersion' av  (SetToolTag Latest) tool =
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- lift ask
+  (\(x, y) -> (mkTVer x, Just y)) <$> getLatest av tool ?? TagNotFound Latest tool
-  (\(x, y) -> (mkTVer x, Just y)) <$> getLatest dls tool ?? TagNotFound Latest tool
+fromVersion' av (SetToolTag Recommended) tool =
-fromVersion' (SetToolTag Recommended) tool = do
+  (\(x, y) -> (mkTVer x, Just y)) <$> getRecommended av tool ?? TagNotFound Recommended tool
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- lift ask
+fromVersion' av (SetToolTag (Base pvp'')) GHC =
-  (\(x, y) -> (mkTVer x, Just y)) <$> getRecommended dls tool ?? TagNotFound Recommended tool
+  (\(x, y) -> (mkTVer x, Just y)) <$> getLatestBaseVersion av pvp'' ?? TagNotFound (Base pvp'') GHC
-fromVersion' (SetToolTag (Base pvp'')) GHC = do
+fromVersion' av SetNext tool = do
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- lift ask
-  (\(x, y) -> (mkTVer x, Just y)) <$> getLatestBaseVersion dls pvp'' ?? TagNotFound (Base pvp'') GHC
-fromVersion' SetNext tool = do
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- lift ask
   next <- case tool of
     GHC -> do
       set <- fmap _tvVersion $ ghcSet Nothing !? NoToolVersionSet tool
@@ -1961,14 +1746,17 @@ fromVersion' SetNext tool = do
         . sort
         $ stacks) ?? NoToolVersionSet tool
     GHCup -> fail "GHCup cannot be set"
-  let vi = getVersionInfo (_tvVersion next) tool dls
+  let vi = getVersionInfo (_tvVersion next) tool av
   pure (next, vi)
-fromVersion' (SetToolTag t') tool =
+fromVersion' _ (SetToolTag t') tool =
   throwE $ TagNotFound t' tool
 
 
 printListResult :: Bool -> [ListResult] -> IO ()
 printListResult raw lr = do
+  -- https://gitlab.haskell.org/ghc/ghc/issues/8118
+  setLocaleEncoding utf8
+
   no_color <- isJust <$> lookupEnv "NO_COLOR"
 
   let
@@ -1992,15 +1780,9 @@ printListResult raw lr = do
         . fmap
             (\ListResult {..} ->
               let marks = if
-#if defined(IS_WINDOWS)
-                    | lSet       -> (color Green "IS")
-                    | lInstalled -> (color Green "I ")
-                    | otherwise  -> (color Red "X ")
-#else
                     | lSet       -> (color Green "✔✔")
                     | lInstalled -> (color Green "✓ ")
                     | otherwise  -> (color Red "✗ ")
-#endif
               in
                 (if raw then [] else [marks])
                   ++ [ fmap toLower . show $ lTool
@@ -2127,10 +1909,11 @@ checkForUpdates :: ( MonadReader AppState m
                    , MonadFail m
                    , MonadLogger m
                    )
-                => m ()
+                => GHCupDownloads
-checkForUpdates = do
+                -> PlatformRequest
-  AppState { ghcupInfo = GHCupInfo { _ghcupDownloads = dls }} <- ask
+                -> m ()
-  lInstalled <- listVersions Nothing (Just ListInstalled)
+checkForUpdates dls pfreq = do
+  lInstalled <- listVersions dls Nothing (Just ListInstalled) pfreq
   let latestInstalled tool = (fmap lVer . lastMay . filter (\lr -> lTool lr == tool)) lInstalled
 
   forM_ (getLatest dls GHCup) $ \(l, _) -> do

bootstrap-haskell

@@ -5,12 +5,8 @@
 #   * BOOTSTRAP_HASKELL_NO_UPGRADE - any nonzero value to not trigger the upgrade
 #   * GHCUP_USE_XDG_DIRS - any nonzero value to respect The XDG Base Directory Specification
 #   * BOOTSTRAP_HASKELL_VERBOSE - any nonzero value for more verbose installation
-#   * BOOTSTRAP_HASKELL_GHC_VERSION - the ghc version to install
+#   * BOOTSTRAP_HASKELL_GHC_VERSION
-#   * BOOTSTRAP_HASKELL_CABAL_VERSION - the cabal version to install
+#   * BOOTSTRAP_HASKELL_CABAL_VERSION
-#   * BOOTSTRAP_HASKELL_INSTALL_STACK - whether to install latest stack
-#   * BOOTSTRAP_HASKELL_INSTALL_HLS - whether to install latest hls
-#   * BOOTSTRAP_HASKELL_ADJUST_BASHRC - whether to adjust PATH in bashrc (prepend)
-#   * BOOTSTRAP_HASKELL_ADJUST_CABAL_CONFIG - whether to adjust mingw paths in cabal.config on windows
 
 # License: LGPL-3.0
 
@@ -18,76 +14,26 @@
 # safety subshell to avoid executing anything in case this script is not downloaded properly
 (
 
-plat="$(uname -s)"
+: "${GHCUP_INSTALL_BASE_PREFIX:=$HOME}"
-arch=$(uname -m)
-ghver="0.1.15.2"
-base_url="https://downloads.haskell.org/~ghcup"
 
-export GHCUP_SKIP_UPDATE_CHECK=yes
+export GHCUP_USE_XDG_DIRS
 
-case "${plat}" in
+if [ -n "${GHCUP_USE_XDG_DIRS}" ] ; then
-        MSYS*|MINGW*)
+	GHCUP_DIR=${XDG_DATA_HOME:=$HOME/.local/share}/ghcup
-			: "${GHCUP_INSTALL_BASE_PREFIX:=/c}"
+	GHCUP_BIN=${XDG_BIN_HOME:=$HOME/.local/bin}
-			GHCUP_DIR=$(cygpath -u "${GHCUP_INSTALL_BASE_PREFIX}/ghcup")
+else
-			GHCUP_BIN=$(cygpath -u "${GHCUP_INSTALL_BASE_PREFIX}/ghcup/bin")
+	GHCUP_DIR=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup
-			: "${GHCUP_MSYS2:=${GHCUP_DIR}/msys64}"
+	GHCUP_BIN=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup/bin
-			;;
+fi
-		*)
-			: "${GHCUP_INSTALL_BASE_PREFIX:=$HOME}"
-			export GHCUP_USE_XDG_DIRS
-
-			if [ -n "${GHCUP_USE_XDG_DIRS}" ] ; then
-				GHCUP_DIR=${XDG_DATA_HOME:=$HOME/.local/share}/ghcup
-				GHCUP_BIN=${XDG_BIN_HOME:=$HOME/.local/bin}
-			else
-				GHCUP_DIR=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup
-				GHCUP_BIN=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup/bin
-			fi
-			;;
-esac
 
 : "${BOOTSTRAP_HASKELL_GHC_VERSION:=recommended}"
 : "${BOOTSTRAP_HASKELL_CABAL_VERSION:=recommended}"
 
-
 die() {
     (>&2 printf "\\033[0;31m%s\\033[0m\\n" "$1")
     exit 2
 }
 
-warn() {
-	case "${plat}" in
-			MSYS*|MINGW*)
-				echo -e "\\033[0;35m$1\\033[0m"
-				;;
-			*)
-				printf "\\033[0;35m%s\\033[0m\\n" "$1"
-				;;
-	esac
-}
-
-yellow() {
-	case "${plat}" in
-			MSYS*|MINGW*)
-				echo -e "\\033[0;33m$1\\033[0m"
-				;;
-			*)
-				printf "\\033[0;33m%s\\033[0m\\n" "$1"
-				;;
-	esac
-}
-
-green() {
-	case "${plat}" in
-			MSYS*|MINGW*)
-				echo -e "\\033[0;32m$1\\033[0m"
-				;;
-			*)
-				printf "\\033[0;32m%s\\033[0m\\n" "$1"
-				;;
-	esac
-}
-
 edo() {
     "$@" || die "\"$*\" failed!"
 }
@@ -97,155 +43,196 @@ eghcup() {
 }
 
 _eghcup() {
-	if [ -n "${BOOTSTRAP_HASKELL_YAML}" ] ; then
-		args="-s ${BOOTSTRAP_HASKELL_YAML}"
-	fi 
     if [ -z "${BOOTSTRAP_HASKELL_VERBOSE}" ] ; then
-        "${GHCUP_BIN}/ghcup" ${args} "$@"
+        ghcup "$@"
     else
-        "${GHCUP_BIN}/ghcup" ${args} --verbose "$@"
+        ghcup --verbose "$@"
     fi
 }
 
 _done() {
 	echo
-	echo "==============================================================================="
+    echo "All done!"
-	case "${plat}" in
+	echo
-			MSYS*|MINGW*)
+	echo "To start a simple repl, run:"
-				green
+	echo "  ghci"
-				green "All done!"
+	echo
-				green
+	echo "To start a new haskell project in the current directory, run:"
-				green "In a new powershell or cmd.exe session, now you can..."
+	echo "  cabal init --interactive"
-				green
+	echo
-				green "Start a simple repl via:"
+	echo "To install other GHC versions, run:"
-				green "  ghci"
+	echo "  ghcup tui"
-				green
-				green "Start a new haskell project in the current directory via:"
-				green "  cabal init --interactive"
-				green
-				green "Install other GHC versions and tools via:"
-				green "  ghcup list"
-				green "  ghcup install <tool> <version>"
-				green
-				green "To install system libraries and update msys2/mingw64,"
-				green "open the \"Mingw haskell shell\""
-				green "and the \"Mingw package management docs\""
-				green "desktop shortcuts."
-				;;
-			*)
-				green
-				green "All done!"
-				green
-				green "To start a simple repl, run:"
-				green "  ghci"
-				green
-				green "To start a new haskell project in the current directory, run:"
-				green "  cabal init --interactive"
-				green
-				green "To install other GHC versions and tools, run:"
-				green "  ghcup tui"
-				;;
-
-	esac
-
 
 	exit 0
 }
 
 download_ghcup() {
+	_plat="$(uname -s)"
+	_arch=$(uname -m)
+	_ghver="0.1.14.1"
+	_base_url="https://downloads.haskell.org/~ghcup"
 
-    case "${plat}" in
+    case "${_plat}" in
         "linux"|"Linux")
-			case "${arch}" in
+			case "${_arch}" in
 				x86_64|amd64)
 					# we could be in a 32bit docker container, in which
 					# case uname doesn't give us what we want
 					if [ "$(getconf LONG_BIT)" = "32" ] ; then
-						_url=${base_url}/${ghver}/i386-linux-ghcup-${ghver}
+						_url=${_base_url}/${_ghver}/i386-linux-ghcup-${_ghver}
 					elif [ "$(getconf LONG_BIT)" = "64" ] ; then
-						_url=${base_url}/${ghver}/x86_64-linux-ghcup-${ghver}
+						_url=${_base_url}/${_ghver}/x86_64-linux-ghcup-${_ghver}
 					else
 						die "Unknown long bit size: $(getconf LONG_BIT)"
 					fi
 					;;
 				i*86)
-					_url=${base_url}/${ghver}/i386-linux-ghcup-${ghver}
+					_url=${_base_url}/${_ghver}/i386-linux-ghcup-${_ghver}
 					;;
 				armv7*)
-					_url=${base_url}/${ghver}/armv7-linux-ghcup-${ghver}
+					_url=${_base_url}/${_ghver}/armv7-linux-ghcup-${_ghver}
 					;;
 				aarch64|arm64|armv8l)
-					_url=${base_url}/${ghver}/aarch64-linux-ghcup-${ghver}
+					_url=${_base_url}/${_ghver}/aarch64-linux-ghcup-${_ghver}
 					;;
-				*) die "Unknown architecture: ${arch}"
+				*) die "Unknown architecture: ${_arch}"
 					;;
 			esac
 			;;
         "FreeBSD"|"freebsd")
-			case "${arch}" in
+			case "${_arch}" in
 				x86_64|amd64)
 					;;
 				i*86)
 					die "i386 currently not supported!"
 					;;
-				*) die "Unknown architecture: ${arch}"
+				*) die "Unknown architecture: ${_arch}"
 					;;
 			esac
-			_url=${base_url}/${ghver}/x86_64-portbld-freebsd-ghcup-${ghver}
+			_url=${_base_url}/${_ghver}/x86_64-portbld-freebsd-ghcup-${_ghver}
             ;;
         "Darwin"|"darwin")
-			case "${arch}" in
+			case "${_arch}" in
 				x86_64|amd64)
-					_url=${base_url}/${ghver}/x86_64-apple-darwin-ghcup-${ghver}
-					;;
-				aarch64|arm64|armv8l)
-					_url=${base_url}/${ghver}/aarch64-apple-darwin-ghcup-${ghver}
 					;;
 				i*86)
 					die "i386 currently not supported!"
 					;;
-				*) die "Unknown architecture: ${arch}"
+				*) die "Unknown architecture: ${_arch}"
 					;;
 			esac
-			;;
+			_url=${_base_url}/${_ghver}/x86_64-apple-darwin-ghcup-${_ghver} ;;
-        MSYS*|MINGW*)
+        *) die "Unknown platform: ${_plat}"
-			case "${arch}" in
-				x86_64|amd64)
-					_url=${base_url}/${ghver}/x86_64-mingw64-ghcup-${ghver}.exe
-					;;
-				*) die "Unknown architecture: ${arch}"
-					;;
-			esac
-			;;
-        *) die "Unknown platform: ${plat}"
 			;;
     esac
-    case "${plat}" in
-        MSYS*|MINGW*)
-			edo curl -Lf "${_url}" > "${GHCUP_BIN}"/ghcup.exe
-			edo chmod +x "${GHCUP_BIN}"/ghcup.exe
-			;;
-		*)
-			edo curl -Lf "${_url}" > "${GHCUP_BIN}"/ghcup
-			edo chmod +x "${GHCUP_BIN}"/ghcup
-			;;
-	esac
 
-	edo mkdir -p "${GHCUP_DIR}"
+	edo curl -Lf "${_url}" > "${GHCUP_BIN}"/ghcup
 
-	# we may overwrite this in adjust_bashrc
+    edo chmod +x "${GHCUP_BIN}"/ghcup
+
+  edo mkdir -p "${GHCUP_DIR}"
 	cat <<-EOF > "${GHCUP_DIR}"/env || die "Failed to create env file"
 		export PATH="\$HOME/.cabal/bin:${GHCUP_BIN}:\$PATH"
 		EOF
-
 	# shellcheck disable=SC1090
     edo . "${GHCUP_DIR}"/env
     eghcup upgrade
+
+	unset _plat _arch _url _ghver _base_url
 }
 
-# Figures out the users login shell and sets
+
-# GHCUP_PROFILE_FILE and MY_SHELL variables.
+echo
-find_shell() {
+echo "Welcome to Haskell!"
+echo
+echo "This script will download and install the following binaries:"
+echo "  * ghcup - The Haskell toolchain installer"
+echo "            (for managing GHC/cabal versions)"
+echo "  * ghc   - The Glasgow Haskell Compiler"
+echo "  * cabal - The Cabal build tool"
+echo
+if [ -z "${GHCUP_USE_XDG_DIRS}" ] ; then
+	echo "ghcup installs only into the following directory,"
+    echo "which can be removed anytime:"
+	echo "  $GHCUP_INSTALL_BASE_PREFIX/.ghcup"
+else
+	echo "ghcup installs into XDG directories as long as"
+    echo "'GHCUP_USE_XDG_DIRS' is set."
+fi
+echo
+
+if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
+    printf "\\033[0;35m%s\\033[0m\\n" "Press ENTER to proceed or ctrl-c to abort."
+    printf "\\033[0;35m%s\\033[0m\\n" "Note that this script can be re-run at any given time."
+    echo
+    # Wait for user input to continue.
+    # shellcheck disable=SC2034
+    read -r answer </dev/tty
+fi
+
+edo mkdir -p "${GHCUP_BIN}"
+
+if command -V "ghcup" >/dev/null 2>&1 ; then
+    if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then
+        _eghcup upgrade || download_ghcup
+    fi
+else
+	download_ghcup
+fi
+
+echo
+echo "$(ghcup tool-requirements)"
+echo
+
+if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
+    printf "\\033[0;35m%s\\033[0m\\n" "Press ENTER to proceed or ctrl-c to abort."
+    printf "\\033[0;35m%s\\033[0m\\n" "Installation may take a while."
+    echo
+
+    # Wait for user input to continue.
+    # shellcheck disable=SC2034
+    read -r answer </dev/tty
+fi
+
+eghcup --cache install ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
+
+eghcup set ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
+eghcup --cache install cabal "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
+
+edo cabal new-update
+
+printf "\\033[0;35m%s\\033[0m\\n" ""
+printf "\\033[0;35m%s\\033[0m\\n" "Installation done!"
+printf "\\033[0;35m%s\\033[0m\\n" ""
+
+
+if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
+	printf "\\033[0;35m%s\\033[0m\\n" "Do you want to install haskell-language-server (HLS) now?"
+	printf "\\033[0;35m%s\\033[0m\\n" "HLS is a language-server that provides IDE-like functionality"
+	printf "\\033[0;35m%s\\033[0m\\n" "and can integrate with different editors, such as Vim, Emacs, VS Code, Atom, ..."
+	printf "\\033[0;35m%s\\033[0m\\n" "Also see https://github.com/haskell/haskell-language-server/blob/master/README.md"
+	printf "\\033[0;35m%s\\033[0m\\n" ""
+	printf "\\033[0;35m%s\\033[0m\\n" "Answer with YES or NO and press ENTER."
+	printf "\\033[0;35m%s\\033[0m\\n" ""
+
+	while true; do
+		read -r hls_answer </dev/tty
+
+		case $hls_answer in
+			[Yy]*)
+				eghcup --cache install hls
+				break ;;
+			[Nn]*)
+				break ;;
+			*)
+				echo "Please type YES or NO and press enter.";;
+		esac
+	done
+
+    echo "In order to run ghc and cabal, you need to adjust your PATH variable."
+    echo "You may want to source '$GHCUP_DIR/env' in your shell"
+    echo "configuration to do so (e.g. ~/.bashrc)."
+
 	case $SHELL in
 		*/zsh) # login shell is zsh
 			GHCUP_PROFILE_FILE="$HOME/.zshrc"
@@ -261,393 +248,67 @@ find_shell() {
 				GHCUP_PROFILE_FILE="$HOME/.zshrc"
 				MY_SHELL="zsh"
 			else
-				return
+			    _done
 			fi
 			;;
 		*/fish) # login shell is fish
 			GHCUP_PROFILE_FILE="$HOME/.config/fish/config.fish"
 			MY_SHELL="fish" ;;
-		*) return ;;
+		*) _done ;;
-	esac
-}
-
-# Ask user if they want to adjust the bashrc.
-ask_bashrc() {
-	if [ -n "${BOOTSTRAP_HASKELL_ADJUST_BASHRC}" ] ; then
-		return 1
-	fi
-
-	while true; do
-		if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
-			echo "-------------------------------------------------------------------------------"
-
-			warn ""
-			warn "Detected ${MY_SHELL} shell on your system..."
-			warn "Do you want ghcup to automatically add the required PATH variable to \"${GHCUP_PROFILE_FILE}\"?"
-			warn ""
-			warn "[P] Yes, prepend  [A] Yes, append  [N] No  [?] Help (default is \"P\")."
-			warn ""
-
-			read -r bashrc_answer </dev/tty
-		else
-			return 1
-		fi
-		case $bashrc_answer in
-			[Pp]* | "")
-				return 1
-				;;
-			[Aa]*)
-				return 2
-				;;
-			[Nn]*)
-				return 0;;
-			*)
-				echo "Possible choices are:"
-				echo
-				echo "P - Yes, prepend to PATH, taking precedence (default)"
-				echo "A - Yes, append to PATH"
-				echo "N - No, don't mess with my configuration"
-				echo
-				echo "Please make your choice and press ENTER."
-				;;
-		esac
-	done
-
-	unset bashrc_answer
-}
-
-# Needs 'find_shell' to be called beforehand.
-adjust_bashrc() {
-	case $1 in
-		1)
-			cat <<-EOF > "${GHCUP_DIR}"/env || die "Failed to create env file"
-				export PATH="\$HOME/.cabal/bin:${GHCUP_BIN}:\$PATH"
-				EOF
-			;;
-		2)
-			cat <<-EOF > "${GHCUP_DIR}"/env || die "Failed to create env file"
-				export PATH="\$HOME/.cabal/bin:\$PATH:${GHCUP_BIN}"
-				EOF
-			;;
-		*) ;;
 	esac
 
-	case $1 in
-		1 | 2)
-			case $MY_SHELL in
-				"") break ;;
-				fish)
-					mkdir -p "${GHCUP_PROFILE_FILE%/*}"
-					sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
-					case $1 in
-						1)
-							echo "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME ; set -gx PATH \$HOME/.cabal/bin $GHCUP_BIN \$PATH # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
-							;;
-						2)
-							echo "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME ; set -gx PATH \$HOME/.cabal/bin \$PATH $GHCUP_BIN # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
-							;;
-					esac
-					break ;;
-				bash)
-					sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
-					echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
-					case "${plat}" in
-						"Darwin"|"darwin")
-							if ! grep -q "ghcup-env" "${HOME}/.bash_profile" ; then
-								echo "[[ -f ~/.bashrc ]] && source ~/.bashrc # ghcup-env" >> "${HOME}/.bash_profile"
-							fi
-							;;
-					esac
-					break ;;
 
-				zsh)
+	printf "\\033[0;35m%s\\033[0m\\n" ""
-					sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
+	printf "\\033[0;35m%s\\033[0m\\n" "Detected ${MY_SHELL} shell on your system..."
-					echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
+	printf "\\033[0;35m%s\\033[0m\\n" "If you want ghcup to automatically add the required PATH variable to \"${GHCUP_PROFILE_FILE}\""
-					break ;;
+	printf "\\033[0;35m%s\\033[0m\\n" "answer with YES, otherwise with NO and press ENTER."
-			esac
+	printf "\\033[0;35m%s\\033[0m\\n" ""
-			warn "OK! ${GHCUP_PROFILE_FILE} has been modified. Restart your terminal for the changes to take effect,"
-			warn "or type \"source ${GHCUP_DIR}/env\" to apply them in your current terminal session."
-			return
-			;;
-		*)
-			;;
-	esac
-}
 
-adjust_cabal_config() {
+    while true; do
-	edo cabal user-config -a "extra-prog-path: $(cygpath -w "$GHCUP_BIN"), $(cygpath -w "$HOME"/AppData/Roaming/cabal/bin), $(cygpath -w "$GHCUP_MSYS2"/usr/bin), $(cygpath -w "$GHCUP_MSYS2"/mingw64/bin)" -a "extra-include-dirs: $(cygpath -w "$GHCUP_MSYS2"/mingw64/include)" -a "extra-lib-dirs: $(cygpath -w "$GHCUP_MSYS2"/mingw64/lib)" -f init
+        read -r next_answer </dev/tty
-}
 
-ask_cabal_config_init() {
+        case $next_answer in
-	case "${plat}" in
+            [Yy]*)
-			MSYS*|MINGW*)
+				case $MY_SHELL in
-				if [ -n "${BOOTSTRAP_HASKELL_ADJUST_CABAL_CONFIG}" ] ; then
+					"") break ;;
-					return 1
+					fish)
-				fi
+						if ! grep -q "ghcup-env" "${GHCUP_PROFILE_FILE}" ; then
-
+							mkdir -p "${GHCUP_PROFILE_FILE%/*}"
-				if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
+							echo "# ghcup-env" >> "${GHCUP_PROFILE_FILE}"
-					echo "-------------------------------------------------------------------------------"
+							echo "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME" >> "${GHCUP_PROFILE_FILE}"
-					warn "Create an initial cabal.config including relevant msys2 paths (recommended)?"
+							echo "test -f $GHCUP_DIR/env ; and set -gx PATH \$HOME/.cabal/bin $GHCUP_BIN \$PATH" >> "${GHCUP_PROFILE_FILE}"
-					warn "[Y] Yes  [N] No  [?] Help (default is \"Y\")."
+						fi
-					echo
+						break ;;
-					while true; do
+					bash)
-						read -r mingw_answer </dev/tty
+						if ! grep -q "ghcup-env" "${GHCUP_PROFILE_FILE}" ; then
-
+							echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
-						case $mingw_answer in
+						fi
-							[Yy]* | "")
+						case "$(uname -s)" in
-								return 1 ;;
+							"Darwin"|"darwin")
-							[Nn]*)
+								if ! grep -q "ghcup-env" "${HOME}/.bash_profile" ; then
-								return 0 ;;
+									echo "[[ -f ~/.bashrc ]] && source ~/.bashrc # ghcup-env" >> "${HOME}/.bash_profile"
-							*)
+								fi
-								echo "Possible choices are:"
-								echo
-								echo "Y - Yes, create a cabal.config with pre-set paths to msys2/mingw64 (default)"
-								echo "N - No, leave the current/default cabal config untouched"
-								echo
-								echo "Please make your choice and press ENTER."
 								;;
 						esac
-					done
+						break ;;
-				else
-					return 1
-				fi
-				;;
-	esac
 
-	unset mingw_answer
+					zsh)
-
+						if ! grep -q "ghcup-env" "${GHCUP_PROFILE_FILE}" ; then
-    return 0
+							echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
-}
+						fi
-
+						break ;;
-do_cabal_config_init() {
-	case "${plat}" in
-			MSYS*|MINGW*)
-		case $1 in
-			1)
-				adjust_cabal_config
-				;;
-			0)
-				echo "Make sure that your global cabal.config references the correct mingw64 paths (extra-prog-path, extra-include-dirs and extra-lib-dirs)."
-				echo "And set the environment variable GHCUP_MSYS2 to the root path of your msys2 installation."
-				sleep 5
-				return ;;
-			*) ;;
-		esac
-	esac
-}
-
-ask_hls() {
-	if [ -n "${BOOTSTRAP_HASKELL_INSTALL_HLS}" ] ; then
-		return 1
-	fi
-
-	if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
-		echo "-------------------------------------------------------------------------------"
-
-		warn "Do you want to install haskell-language-server (HLS)?"
-		warn "HLS is a language-server that provides IDE-like functionality"
-		warn "and can integrate with different editors, such as Vim, Emacs, VS Code, Atom, ..."
-		warn "Also see https://github.com/haskell/haskell-language-server/blob/master/README.md"
-		warn ""
-		warn "[Y] Yes  [N] No  [?] Help (default is \"N\")."
-		warn ""
-
-		while true; do
-			read -r hls_answer </dev/tty
-
-			case $hls_answer in
-				[Yy]*)
-					return 1
-					;;
-				[Nn]* | "")
-					return 0
-					;;
-				*)
-					echo "Possible choices are:"
-					echo
-					echo "Y - Yes, install the haskell-langauge-server"
-					echo "N - No, don't install anything more (default)"
-					echo
-					echo "Please make your choice and press ENTER."
-					;;
-			esac
-		done
-	else
-		return 0
-	fi
-
-	unset hls_answer
-}
-
-ask_stack() {
-	if [ -n "${BOOTSTRAP_HASKELL_INSTALL_STACK}" ] ; then
-		return 1
-	fi
-
-	if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
-		echo "-------------------------------------------------------------------------------"
-
-		warn "Do you want to install stack?"
-		warn "Stack is a haskell build tool similar to cabal that is used by some projects."
-		warn "Also see https://docs.haskellstack.org/"
-		warn ""
-		warn "[Y] Yes  [N] No  [?] Help (default is \"N\")."
-		warn ""
-
-		while true; do
-			read -r stack_answer </dev/tty
-
-			case $stack_answer in
-				[Yy]*)
-					return 1 ;;
-				[Nn]* | "")
-					return 0 ;;
-				*)
-					echo "Possible choices are:"
-					echo
-					echo "Y - Yes, install stack"
-					echo "N - No, don't install anything more (default)"
-					echo
-					echo "Please make your choice and press ENTER."
-					;;
-			esac
-		done
-	else
-		return 0
-	fi
-
-	unset stack_answer
-}
-
-
-find_shell
-
-
-echo
-echo "Welcome to Haskell!"
-echo
-echo "This script will download and install the following binaries:"
-echo "  * ghcup - The Haskell toolchain installer"
-echo "  * ghc   - The Glasgow Haskell Compiler"
-echo "  * cabal - The Cabal build tool for managing Haskell software"
-echo "  * stack - (optional) A cross-platform program for developing Haskell projects"
-echo "  * hls   - (optional) A language server for developers to integrate with their editor/IDE"
-echo
-if [ -z "${GHCUP_USE_XDG_DIRS}" ] ; then
-	echo "ghcup installs only into the following directory,"
-    echo "which can be removed anytime:"
-	case "${plat}" in
-			MSYS*|MINGW*)
-				echo "  $(cygpath -w "$GHCUP_DIR")"
-				;;
-			*)
-				echo "  $GHCUP_DIR"
-				;;
-	esac
-else
-	echo "ghcup installs into XDG directories as long as"
-    echo "'GHCUP_USE_XDG_DIRS' is set."
-fi
-echo
-
-if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
-    warn "Press ENTER to proceed or ctrl-c to abort."
-    warn "Note that this script can be re-run at any given time."
-    # Wait for user input to continue.
-    # shellcheck disable=SC2034
-    read -r answer </dev/tty
-fi
-
-ask_bashrc
-ask_bashrc_answer=$?
-ask_cabal_config_init
-ask_cabal_config_init_answer=$?
-ask_hls
-ask_hls_answer=$?
-ask_stack
-ask_stack_answer=$?
-
-edo mkdir -p "${GHCUP_BIN}"
-
-if command -V "ghcup" >/dev/null 2>&1 ; then
-    if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then
-        _eghcup upgrade || download_ghcup
-    fi
-else
-	download_ghcup
-fi
-
-echo
-echo "$(if [ -n "${BOOTSTRAP_HASKELL_YAML}" ] ; then ghcup -s "${BOOTSTRAP_HASKELL_YAML}" tool-requirements ; else ghcup tool-requirements ; fi)"
-echo
-
-if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
-    warn "Press ENTER to proceed or ctrl-c to abort."
-    warn "Installation may take a while."
-    echo
-
-    # Wait for user input to continue.
-    # shellcheck disable=SC2034
-    read -r answer </dev/tty
-fi
-
-eghcup --cache install ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
-
-eghcup set ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
-eghcup --cache install cabal "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
-
-do_cabal_config_init $ask_cabal_config_init_answer
-
-edo cabal new-update
-
-case $ask_hls_answer in
-	1)
-		_eghcup --cache install hls || warn "HLS installation failed, continuing anyway"
-		;;
-	*) ;;
-esac
-
-case $ask_stack_answer in
-	1)
-		_eghcup --cache install stack || warn "Stack installation failed, continuing anyway"
-		;;
-	*) ;;
-esac
-
-
-
-# short-circuit script based on platform
-case "${plat}" in
-        MSYS*|MINGW*)
-			# For windows we always adjust bashrc, since it's inside msys2
-			adjust_bashrc $adjust_bashrc_answer
-			;;
-		*)
-        	if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
-				case $ask_bashrc_answer in
-					1 | 2)
-						echo
-						echo "==============================================================================="
-						echo
-						yellow "In order to run ghc and cabal, start a new shell or"
-						yellow "run 'source $GHCUP_DIR/env' in your current shell session."
-						adjust_bashrc $adjust_bashrc_answer
-						;;
-					*)
-						echo
-						echo "==============================================================================="
-						echo
-						yellow "In order to run ghc and cabal, you need to adjust your PATH variable."
-						yellow "You may want to source '$GHCUP_DIR/env' in your shell"
-						yellow "configuration to do so (e.g. ~/.bashrc)."
-						;;
 				esac
-			fi
+                printf "\\033[0;35m%s\\033[0m\\n" "OK! ${GHCUP_PROFILE_FILE} has been modified. Restart your terminal for the changes to take effect,"
-			;;
+                printf "\\033[0;35m%s\\033[0m\\n" "or type \"source ${GHCUP_DIR}/env\" to apply them in your current terminal session."
-esac
+				_done
-
+                ;;
-_done
+            [Nn]*)
-
+                _done ;;
+            *)
+                echo "Please type YES or NO and press enter.";;
+        esac
+    done
+fi
 )
 
 # vim: tabstop=4 shiftwidth=4 expandtab

bootstrap-haskell.ps1

@@ -1,485 +0,0 @@
-<#
-    .SYNOPSIS
-    Script to bootstrap a Haskell environment
-
-    .DESCRIPTION
-    This is the windows GHCup installer, installing:
-
-    * ghcup - The Haskell toolchain installer"
-    * ghc   - The Glasgow Haskell Compiler"
-    * msys2 - Unix-style toolchain needed for dependencies and tools
-    * cabal - The Cabal build tool for managing Haskell software"
-    * stack - (optional) A cross-platform program for developing Haskell projects"
-    * hls   - (optional) A language server for developers to integrate with their editor/IDE"
-#>
-param (
-    # Run an interactive installation
-    [switch]$Interactive,
-    # Specify the install root (default: 'C:\')
-    [string]$InstallDir,
-    # Instead of installing a new MSys2, use an existing installation
-    [string]$ExistingMsys2Dir,
-    # Specify the cabal root directory (default: '$InstallDir\cabal')
-    [string]$CabalDir,
-    # Overwrite (or rather backup) a previous install
-    [switch]$Overwrite,
-    # Specify the bootstrap url (default: 'https://www.haskell.org/ghcup/sh/bootstrap-haskell')
-    [string]$BootstrapUrl,
-    # Run the final bootstrap script via 'bash' instead of a full newly spawned msys2 shell
-    [switch]$InBash,
-    # Whether to install stack as well
-    [switch]$InstallStack,
-    # Whether to install hls as well
-    [switch]$InstallHLS,
-    # Skip adjusting cabal.config with mingw paths
-    [switch]$NoAdjustCabalConfig
-)
-
-$Silent = !$Interactive
-
-function Print-Msg {
-  param ( [Parameter(Mandatory=$true, HelpMessage='String to output')][string]$msg, [string]$color = "Green" )
-  Write-Host ('{0}' -f $msg) -ForegroundColor $color
-}
-
-function Create-Shortcut {
-    param ( [Parameter(Mandatory=$true,HelpMessage='Target path')][string]$SourceExe, [Parameter(Mandatory=$true,HelpMessage='Arguments to the path/exe')][AllowEmptyString()]$ArgumentsToSourceExe, [Parameter(Mandatory=$true,HelpMessage='The destination of the desktop link')][string]$DestinationPath )
-    $WshShell = New-Object -comObject WScript.Shell
-    $Shortcut = $WshShell.CreateShortcut($DestinationPath)
-    $Shortcut.TargetPath = $SourceExe
-    if($ArgumentsToSourceExe) {
-      $Shortcut.Arguments = $ArgumentsToSourceExe
-    }
-    $Shortcut.Save()
-}
-
-function Add-EnvPath {
-  param(
-      [Parameter(Mandatory=$true,HelpMessage='The Path to add to Users environment')]
-      [string] $Path,
-
-      [ValidateSet('Machine', 'User', 'Session')]
-      [string] $Container = 'Session'
-  )
-
-  if ($Container -eq 'Session') {
-      $envPaths = [Collections.Generic.List[String]]($env:Path -split ([IO.Path]::PathSeparator))
-      if ($envPaths -notcontains $Path) {
-          $envPaths.Add($Path)
-          $env:PATH = $envPaths -join ([IO.Path]::PathSeparator)
-      }
-  }
-  else {
-      [Microsoft.Win32.RegistryHive]$hive, $keyPath = switch ($Container) {
-          'Machine' { 'LocalMachine', 'SYSTEM\CurrentControlSet\Control\Session Manager\Environment' }
-          'User' { 'CurrentUser', 'Environment' }
-      }
-
-      $hiveKey = $envKey = $null
-      try {
-          $hiveKey = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey($hive, '')
-          $envKey = $hiveKey.OpenSubKey($keyPath, $true)
-          $rawPath = $envKey.GetValue('PATH', '', 'DoNotExpandEnvironmentNames')
-
-          $envPaths = [Collections.Generic.List[String]]($rawPath -split ([IO.Path]::PathSeparator))
-          if ($envPaths -notcontains $Path) {
-              $envPaths.Add($Path)
-              $envKey.SetValue('PATH', ($envPaths -join ([IO.Path]::PathSeparator)), 'ExpandString')
-          }
-      }
-      finally {
-          if ($envKey) { $envKey.Close() }
-          if ($hiveKey) { $hiveKey.Close() }
-      }
-  }
-}
-
-
-
-filter Get-FileSize {
-	'{0:N2} {1}' -f $(
-	if ($_ -lt 1kb) { $_, 'Bytes' }
-	elseif ($_ -lt 1mb) { ($_/1kb), 'KB' }
-	elseif ($_ -lt 1gb) { ($_/1mb), 'MB' }
-	elseif ($_ -lt 1tb) { ($_/1gb), 'GB' }
-	elseif ($_ -lt 1pb) { ($_/1tb), 'TB' }
-	else { ($_/1pb), 'PB' }
-	)
-}
-
-function Get-FileWCSynchronous{
-    param(
-        [Parameter(Mandatory=$true)]
-        [string]$url, 
-        [string]$destinationFolder="$env:USERPROFILE\Downloads",
-        [switch]$includeStats
-    )
-    $wc = New-Object -TypeName Net.WebClient
-    $wc.UseDefaultCredentials = $true
-    $destination = Join-Path -Path $destinationFolder -ChildPath ($url | Split-Path -Leaf)
-    $start = Get-Date
-    $wc.DownloadFile($url, $destination)
-    $elapsed = ((Get-Date) - $start).ToString('hh\:mm\:ss')
-    $totalSize = (Get-Item -Path $destination).Length | Get-FileSize
-    if ($includeStats.IsPresent){
-        [PSCustomObject]@{Name=$MyInvocation.MyCommand;TotalSize=$totalSize;Time=$elapsed}
-    }
-    Get-Item -Path $destination | Unblock-File
-}
-
-function Test-AbsolutePath {
-  Param (
-      [Parameter(Mandatory=$True)]
-      [ValidateScript({[System.IO.Path]::IsPathRooted($_)})]
-      [String]$Path
-  )
-}
-
-function Exec
-{
-    [CmdletBinding()]
-    param(
-        [Parameter(Position = 0, Mandatory = 1)][string]$cmd,
-        [Parameter()][string]$errorMessage,
-        [parameter(ValueFromRemainingArguments = $true)]
-        [string[]]$Passthrough
-    )
-    & $cmd @Passthrough
-    if ($lastexitcode -ne 0) {
-        if (!($errorMessage)) {
-          throw ('Exec: Error executing command {0} with arguments ''{1}''' -f $cmd, "$Passthrough")
-        } else {
-          throw ('Exec: ' + $errorMessage)
-        }
-    }
-}
-
-$ErrorActionPreference = 'Stop'
-
-$GhcupBasePrefixEnv = [System.Environment]::GetEnvironmentVariable('GHCUP_INSTALL_BASE_PREFIX', 'user')
-
-if ($GhcupBasePrefixEnv) {
-  $defaultGhcupBasePrefix = $GhcupBasePrefixEnv
-} else {
-  $partitions = Get-CimInstance win32_logicaldisk
-  $defaultGhcupBasePrefix = $null
-  foreach ($p in $partitions){
-    try {
-      if ($p."FreeSpace" -lt 5368709120) { # at least 5 GB are needed
-        throw ("Not enough free space on {0}" -f $p."DeviceId")
-      }
-      $null = New-Item -Path ('{0}\' -f $p."DeviceId") -Name "ghcup.test" -ItemType "directory" -Force
-      $defaultGhcupBasePrefix = ('{0}\' -f $p."DeviceId")
-      Remove-Item -LiteralPath ('{0}\ghcup.test' -f $p."DeviceId")
-      break
-    } catch {
-      Print-Msg -color Yellow -msg ("{0} not writable or not enough disk space, trying next device" -f $p."DeviceId")
-    }
-  }
-  if ($defaultGhcupBasePrefix) {
-    Print-Msg -color Green -msg ("Picked {0} as default Install prefix!" -f $defaultGhcupBasePrefix)
-  } else {
-    Print-Msg -color Red -msg "Couldn't find a writable partition with at least 5GB free disk space!"
-    Exit 1    
-  }
-}
-
-# ask for base install prefix
-if ($Silent -and !($InstallDir)) {
-  $GhcupBasePrefix = $defaultGhcupBasePrefix
-} elseif ($InstallDir) {
-  if (!(Test-Path -LiteralPath ('{0}' -f $InstallDir) -IsValid)) {
-    Print-Msg -color Red -msg "Not a valid directory!"
-    Exit 1
-  } elseif (!(Split-Path -IsAbsolute -Path "$InstallDir")) {
-    Print-Msg -color Red -msg "Non-absolute Path specified!"
-    Exit 1
-  } else {
-    $GhcupBasePrefix = $InstallDir
-  }
-} else {
-  while ($true) {
-    Print-Msg -color Magenta -msg ('Where to install to (this should be a short Path, preferably a Drive like ''C:\''){1}Press enter to accept the default [{0}]:' -f $defaultGhcupBasePrefix, "`n")
-    $basePrefixPrompt = Read-Host
-    $GhcupBasePrefix = ($defaultGhcupBasePrefix,$basePrefixPrompt)[[bool]$basePrefixPrompt]
-    if (!($GhcupBasePrefix.EndsWith('\'))) {
-      $GhcupBasePrefix = ('{0}\' -f $GhcupBasePrefix)
-    }
-  
-    if (!($GhcupBasePrefix)) {
-      Print-Msg -color Red -msg "No directory specified!"
-    } elseif (!(Test-Path -LiteralPath ('{0}' -f $GhcupBasePrefix))) {
-      Print-Msg -color Red -msg "Directory does not exist, need to specify an existing Drive/Directory"
-    } elseif (!(Split-Path -IsAbsolute -Path "$GhcupBasePrefix")) {
-      Print-Msg -color Red -msg "Invalid/Non-absolute Path specified"
-    } else {
-      Break
-    }
-  }
-}
-
-Print-Msg -msg ('Setting env variable GHCUP_INSTALL_BASE_PREFIX to ''{0}''' -f $GhcupBasePrefix)
-$null = [Environment]::SetEnvironmentVariable("GHCUP_INSTALL_BASE_PREFIX", $GhcupBasePrefix, [System.EnvironmentVariableTarget]::User)
-
-
-$GhcupDir = ('{0}\ghcup' -f $GhcupBasePrefix)
-$MsysDir = ('{0}\msys64' -f $GhcupDir)
-$Bash = ('{0}\usr\bin\bash' -f $MsysDir)
-if (!($BootstrapUrl)) {
-  $BootstrapUrl = 'https://www.haskell.org/ghcup/sh/bootstrap-haskell'
-}
-$GhcupMsys2 = [System.Environment]::GetEnvironmentVariable('GHCUP_MSYS2', 'user')
-
-Print-Msg -msg 'Preparing for GHCup installation...'
-
-# ask what to do in case ghcup is already installed
-if (Test-Path -LiteralPath ('{0}' -f $GhcupDir)) {
-  Print-Msg -msg ('GHCup already installed at ''{0}''...' -f $GhcupDir)
-  if ($Overwrite) {
-    $decision = 0
-  } elseif (!($Silent)) {
-    $decision = $Host.UI.PromptForChoice('Install GHCup'
-                                        , 'GHCup is already installed, what do you want to do?'
-                                        , [System.Management.Automation.Host.ChoiceDescription[]] @('&Reinstall'
-                                            '&Continue'
-                                            '&Abort'), 1)
-  } else {
-    $decision = 1
-  }
-
-  if ($decision -eq 0) {
-    $suffix = [IO.Path]::GetRandomFileName()
-    Print-Msg -msg ('Backing up {0} to {0}-{1} ...' -f $GhcupDir, $suffix)
-    Rename-Item -Path ('{0}' -f $GhcupDir) -NewName ('{0}-{1}' -f $GhcupDir, $suffix)
-  } elseif ($decision -eq 1) {
-    Print-Msg -msg 'Continuing installation...'
-  } elseif ($decision -eq 2) {
-    Exit 0
-  }
-}
-
-
-$null = New-Item -Path ('{0}' -f $GhcupDir) -ItemType 'directory' -ErrorAction SilentlyContinue
-$null = New-Item -Path ('{0}' -f $GhcupDir) -Name 'bin' -ItemType 'directory' -ErrorAction SilentlyContinue
-
-# ask for cabal dir destination
-if ($CabalDir) {
-  $CabDirEnv = $CabalDir
-  if (!($CabDirEnv)) {
-    Print-Msg -color Red -msg "No directory specified!"
-    Exit 1        
-  } elseif (!(Split-Path -IsAbsolute -Path "$CabDirEnv")) {
-    Print-Msg -color Red -msg "Invalid/Non-absolute Path specified"
-    Exit 1
-  }
-} elseif (!($Silent)) {
-  while ($true) {
-
-    $defaultCabalDir = ('{0}\cabal' -f $GhcupBasePrefix)
-    Print-Msg -color Magenta -msg ('Specify Cabal directory (this is where haskell packages end up). Press enter to accept the default [{0}]:' -f $defaultCabalDir)
-    $CabalDirPrompt = Read-Host
-    $CabDirEnv = ($defaultCabalDir,$CabalDirPrompt)[[bool]$CabalDirPrompt]
-
-    if (!($CabDirEnv)) {
-      Print-Msg -color Red -msg "No directory specified!"         
-    } elseif (!(Split-Path -IsAbsolute -Path "$CabDirEnv")) {
-      Print-Msg -color Red -msg "Invalid/Non-absolute Path specified"
-    } else {
-      Break
-    }
-  }
-} else {
-  $CabDirEnv = ('{0}\cabal' -f $GhcupBasePrefix)
-}
-
-# ask whether to install HLS
-if (!($InstallHLS)) {
-  if (!($Silent)) {
-    $HLSdecision = $Host.UI.PromptForChoice('Install HLS'
-      , 'Do you want to install the haskell-language-server (HLS) for development purposes as well?'
-      , [System.Management.Automation.Host.ChoiceDescription[]] @('&Yes'
-          '&No'
-          '&Abort'), 1)
-
-    if ($HLSdecision -eq 0) {
-      $InstallHLS = $true
-    } elseif ($HLSdecision -eq 2) {
-      Exit 0
-    }
-  }
-}
-
-# ask whether to install stack
-if (!($InstallStack)) {
-  if (!($Silent)) {
-    $StackDecision = $Host.UI.PromptForChoice('Install stack'
-      , 'Do you want to install stack as well?'
-      , [System.Management.Automation.Host.ChoiceDescription[]] @('&Yes'
-          '&No'
-          '&Abort'), 1)
-
-    if ($StackDecision -eq 0) {
-      $InstallStack = $true
-    } elseif ($StackDecision -eq 2) {
-      Exit 0
-    }
-  }
-}
-
-
-# mingw foo
-Print-Msg -msg 'First checking for Msys2...'
-if (!(Test-Path -Path ('{0}' -f $MsysDir))) {
-  if ($Silent) {
-    $msys2Decision = 0
-  } else {
-    $msys2Decision = $Host.UI.PromptForChoice('Install MSys2'
-        , 'Do you want GHCup to install a default MSys2 toolchain (recommended)?'
-        , [System.Management.Automation.Host.ChoiceDescription[]] @('&Yes'
-            '&No'), 0)
-  }
-
-  if ($msys2Decision -eq 0) {
-    Print-Msg -msg ('...Msys2 doesn''t exist, installing into {0}' -f $MsysDir)
-
-	Print-Msg -msg 'Starting installation in 5 seconds, this may take a while...'
-	Start-Sleep -s 5
-
-    # Download the archive
-    Print-Msg -msg 'Downloading Msys2 archive...'
-    $archive = 'msys2-x86_64-latest.sfx.exe'
-    
-    if (Get-Command -Name 'curl.exe' -ErrorAction SilentlyContinue) {
-      Exec "curl.exe" '-o' ('{0}\{1}' -f $env:TEMP, $archive) ('https://repo.msys2.org/distrib/{0}' -f $archive)
-    } else {
-      Get-FileWCSynchronous -url ('https://repo.msys2.org/distrib/{0}' -f $archive) -destinationFolder "$env:TEMP" -includeStats
-    }
-
-    Print-Msg -msg 'Extracting Msys2 archive...'
-    $null = & "$env:TEMP\$archive" '-y' ('-o{0}' -f $GhcupDir)  # Extract
-    Remove-Item -Path ('{0}/{1}' -f $env:TEMP, $archive)
-
-    Print-Msg -msg 'Processing MSYS2 bash for first time use...'
-    Exec "$Bash" '-lc' 'exit'
-
-    Exec "$env:windir\system32\taskkill.exe" /F /FI `"MODULES eq msys-2.0.dll`"
-
-    Print-Msg -msg 'Upgrading full system...'
-    Exec "$Bash" '-lc' 'pacman --noconfirm -Syuu'
-
-    Print-Msg -msg 'Upgrading full system twice...'
-    Exec "$Bash" '-lc' 'pacman --noconfirm -Syuu'
-
-    Print-Msg -msg 'Installing Dependencies...'
-    Exec "$Bash" '-lc' 'pacman --noconfirm -S --needed curl mingw-w64-x86_64-pkgconf'
-
-    Print-Msg -msg 'Updating SSL root certificate authorities...'
-    Exec "$Bash" '-lc' 'pacman --noconfirm -S ca-certificates'
-
-    Print-Msg -msg 'Setting default home directory...'
-    Exec "$Bash" '-lc' "sed -i -e 's/db_home:.*$/db_home: windows/' /etc/nsswitch.conf"
-  } elseif ($msys2Decision -eq 1) {
-    Print-Msg -color Yellow -msg 'Skipping MSys2 installation.'
-    while ($true) {
-      if ($GhcupMsys2) {
-        $defaultMsys2Dir = $GhcupMsys2
-        Print-Msg -color Magenta -msg ('Input existing MSys2 toolchain directory. Press enter to accept the default [{0}]:' -f $defaultMsys2Dir)
-        $MsysDirPrompt = Read-Host
-        $MsysDir = ($defaultMsys2Dir,$MsysDirPrompt)[[bool]$MsysDirPrompt]
-      } else {
-        Print-Msg -color Magenta -msg 'Input existing MSys2 toolchain directory:' 
-        $MsysDir = Read-Host
-      }
-      if (!($MsysDir)) {
-        Print-Msg -color Red -msg "No directory specified!"         
-      } elseif (!(Test-Path -LiteralPath ('{0}' -f $MsysDir))) {
-        Print-Msg -color Red -msg ('MSys2 installation at ''{0}'' could not be found!' -f $MsysDir)
-      } elseif (!(Split-Path -IsAbsolute -Path "$MsysDir")) {
-        Print-Msg -color Red -msg "Invalid/Non-absolute Path specified"
-      } else {
-        Break
-      }
-    }
-    Print-Msg -msg ('Setting GHCUP_MSYS2 env var to ''{0}''' -f $MsysDir)
-    $null = [Environment]::SetEnvironmentVariable("GHCUP_MSYS2", $MsysDir, [System.EnvironmentVariableTarget]::User)
-    $Bash = ('{0}\usr\bin\bash' -f $MsysDir)
-  }
-} else {
-    Print-Msg -msg ('...Msys2 found in {0} ...skipping Msys2 installation.' -f $MsysDir)
-
-	Print-Msg -msg 'Starting installation in 5 seconds, this may take a while...'
-	Start-Sleep -s 5
-}
-
-Print-Msg -msg 'Creating shortcuts...'
-$DesktopDir = [Environment]::GetFolderPath("Desktop")
-$GhcInstArgs = '-mingw64 -mintty -c "pacman --noconfirm -S --needed base-devel gettext autoconf make libtool automake python p7zip patch unzip"'
-Create-Shortcut -SourceExe ('{0}\msys2_shell.cmd' -f $MsysDir) -ArgumentsToSourceExe $GhcInstArgs -DestinationPath ('{0}\Install GHC dev dependencies.lnk' -f $DesktopDir)
-Create-Shortcut -SourceExe ('{0}\msys2_shell.cmd' -f $MsysDir) -ArgumentsToSourceExe '-mingw64' -DestinationPath ('{0}\Mingw haskell shell.lnk' -f $DesktopDir)
-Create-Shortcut -SourceExe 'https://www.msys2.org/docs/package-management' -ArgumentsToSourceExe '' -DestinationPath ('{0}\Mingw package management docs.url' -f $DesktopDir)
-
-Print-Msg -msg ('Adding {0}\bin to Users Path...' -f $GhcupDir)
-Add-EnvPath -Path ('{0}\bin' -f ([System.IO.Path]::GetFullPath("$GhcupDir"))) -Container 'User'
-
-
-
-$CabalDirFull = [System.IO.Path]::GetFullPath("$CabDirEnv")
-Print-Msg -msg ('Setting CABAL_DIR to ''{0}''' -f $CabalDirFull)
-$null = [Environment]::SetEnvironmentVariable("CABAL_DIR", $CabalDirFull, [System.EnvironmentVariableTarget]::User)
-
-Print-Msg -msg 'Starting GHCup installer...'
-
-$Msys2Shell = ('{0}\msys2_shell.cmd' -f $MsysDir)
-
-# The bootstrap script is always silent, since we ask relevant questions here
-$SilentExport = 'export BOOTSTRAP_HASKELL_NONINTERACTIVE=1 ;'
-
-if ($InstallStack) {
-  $StackInstallExport = 'export BOOTSTRAP_HASKELL_INSTALL_STACK=1 ;'
-}
-
-if ($InstallHLS) {
-  $HLSInstallExport = 'export BOOTSTRAP_HASKELL_INSTALL_HLS=1 ;'
-}
-
-if (!($NoAdjustCabalConfig)) {
-  $AdjustCabalConfigExport = 'export BOOTSTRAP_HASKELL_ADJUST_CABAL_CONFIG=1 ;'
-}
-
-if ((Get-Process -ID $PID).ProcessName.StartsWith("bootstrap-haskell") -Or $InBash) {
-  Exec "$Bash" '-lc' ('{4} {6} {7} {8} [ -n ''{1}'' ] && export GHCUP_MSYS2=$(cygpath -m ''{1}'') ; [ -n ''{2}'' ] && export GHCUP_INSTALL_BASE_PREFIX=$(cygpath -m ''{2}/'') ; export PATH=$(cygpath -u ''{3}/bin''):$PATH ; export CABAL_DIR=''{5}'' ; [[ ''{0}'' = https* ]]  && curl --proto ''=https'' --tlsv1.2 -sSf {0} | bash || cat $(cygpath -m ''{0}'') | bash' -f $BootstrapUrl, $MsysDir, $GhcupBasePrefix, $GhcupDir, $SilentExport, $CabalDirFull, $StackInstallExport, $HLSInstallExport, $AdjustCabalConfigExport)
-} else {
-  Exec "$Msys2Shell" '-mingw64' '-mintty' '-c' ('{4} {6} {7} {8} [ -n ''{1}'' ] && export GHCUP_MSYS2=$(cygpath -m ''{1}'') ; [ -n ''{2}'' ] && export GHCUP_INSTALL_BASE_PREFIX=$(cygpath -m ''{2}/'') ; export PATH=$(cygpath -u ''{3}/bin''):$PATH ; export CABAL_DIR=''{5}'' ; trap ''echo Press any key to exit && read -n 1 && exit'' 2 ; [[ ''{0}'' = https* ]]  && curl --proto ''=https'' --tlsv1.2 -sSf {0} | bash || cat $(cygpath -m ''{0}'') | bash ; echo ''Press any key to exit'' && read -n 1' -f $BootstrapUrl, $MsysDir, $GhcupBasePrefix, $GhcupDir, $SilentExport, $CabalDirFull, $StackInstallExport, $HLSInstallExport, $AdjustCabalConfigExport)
-}
-
-
-# SIG # Begin signature block
-  # MIID4QYJKoZIhvcNAQcCoIID0jCCA84CAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB
-  # gjcCAQSgWzBZMDQGCisGAQQBgjcCAR4wJgIDAQAABBAfzDtgWUsITrck0sYpfvNR
-  # AgEAAgEAAgEAAgEAAgEAMCEwCQYFKw4DAhoFAAQUVqKek181kF/Jx/P7z176herc
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-# SIG # End signature block
-
-
-
-
-
-
-

cabal.ghc8104.project

@@ -0,0 +1,20 @@
+packages: ./ghcup.cabal
+
+with-compiler: ghc-8.10.4
+
+optional-packages: ./3rdparty/*/*.cabal
+
+optimization: 2
+
+package streamly
+    ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16
+
+package ghcup
+    ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16
+
+constraints: http-io-streams -brotli
+
+package libarchive
+  flags: -system-libarchive
+
+allow-newer: base, ghc-prim, template-haskell

cabal.ghc8104.project.freeze

@@ -1,11 +1,12 @@
 active-repositories: hackage.haskell.org:merge
 constraints: any.Cabal ==3.2.1.0,
              any.HUnit ==1.6.2.0,
-             any.HsOpenSSL ==0.11.7,
+             any.IfElse ==0.85,
-             HsOpenSSL -fast-bignum -homebrew-openssl -macports-openssl -use-pkg-config,
              any.QuickCheck ==2.14.2,
              QuickCheck -old-random +templatehaskell,
              any.StateVar ==1.2.1,
+             any.abstract-deque ==0.3,
+             abstract-deque -usecas,
              any.aeson ==1.5.6.0,
              aeson -bytestring-builder -cffi -developer -fast,
              any.aeson-pretty ==0.8.8,
@@ -17,32 +18,31 @@ constraints: any.Cabal ==3.2.1.0,
              any.ansi-wl-pprint ==0.6.9,
              ansi-wl-pprint -example,
              any.array ==0.5.4.0,
+             any.ascii-string ==1.0.1.4,
              any.assoc ==1.0.2,
              any.async ==2.2.3,
              async -bench,
+             any.atomic-primops ==0.8.4,
+             atomic-primops -debug,
              any.attoparsec ==0.13.2.5,
              attoparsec -developer,
              any.auto-update ==0.1.6,
-             any.base ==4.14.2.0,
+             any.base ==4.14.1.0,
              any.base-compat ==0.11.2,
              any.base-compat-batteries ==0.11.2,
              any.base-orphans ==0.8.4,
              any.base16-bytestring ==1.0.1.0,
-             any.base64-bytestring ==1.1.0.0,
+             any.base64-bytestring ==1.2.0.1,
-             any.bifunctors ==5.5.11,
+             any.bifunctors ==5.5.10,
              bifunctors +semigroups +tagged,
              any.binary ==0.8.8.0,
-             any.bindings-DSL ==1.0.25,
              any.blaze-builder ==0.4.2.1,
-             any.brick ==0.61,
-             brick -demos,
              any.bytestring ==0.10.12.0,
              any.bz2 ==1.0.1.0,
              bz2 -cross +with-bzlib,
-             any.bzlib-conduit ==0.3.0.2,
+             any.c2hs ==0.28.7,
-             any.c2hs ==0.28.8,
              c2hs +base3 -regression,
-             any.call-stack ==0.4.0,
+             any.call-stack ==0.3.0,
              any.case-insensitive ==1.2.1.0,
              any.casing ==0.1.4.1,
              any.cereal ==0.5.8.1,
@@ -54,7 +54,7 @@ constraints: any.Cabal ==3.2.1.0,
              clock -llvm,
              any.cmdargs ==0.10.21,
              cmdargs +quotation -testprog,
-             any.colour ==2.3.6,
+             any.colour ==2.3.5,
              any.comonad ==5.0.8,
              comonad +containers +distributive +indexed-traversable,
              any.composition-prelude ==3.0.0.2,
@@ -62,25 +62,16 @@ constraints: any.Cabal ==3.2.1.0,
              any.concurrent-output ==1.10.12,
              any.conduit ==1.3.4.1,
              any.conduit-extra ==1.3.5,
-             any.conduit-zstd ==0.0.2.0,
+             any.containers ==0.6.2.1,
-             any.config-ini ==0.2.4.0,
-             config-ini -enable-doctests,
-             any.containers ==0.6.4.1,
              any.contravariant ==1.5.3,
              contravariant +semigroups +statevar +tagged,
-             any.cpphs ==1.20.9.1,
-             cpphs -old-locale,
-             any.cryptohash-sha1 ==0.11.100.1,
              any.cryptohash-sha256 ==0.11.102.0,
              cryptohash-sha256 -exe +use-cbits,
-             any.data-clist ==0.1.2.3,
              any.data-default-class ==0.1.2.0,
              any.data-fix ==0.3.1,
              any.deepseq ==1.4.4.0,
-             any.digest ==0.0.1.3,
+             any.deferred-folds ==0.9.17,
-             digest -bytestring-in-base,
              any.directory ==1.3.6.0,
-             any.disk-free-space ==0.1.0.1,
              any.distributive ==0.6.2.1,
              distributive +semigroups +tagged,
              any.dlist ==1.0,
@@ -88,55 +79,62 @@ constraints: any.Cabal ==3.2.1.0,
              any.easy-file ==0.2.2,
              any.errors ==2.3.0,
              any.exceptions ==0.10.4,
-             any.extra ==1.7.9,
+             any.fast-logger ==3.0.3,
-             any.fast-logger ==3.0.5,
              any.filepath ==1.4.2.1,
-             any.free ==5.1.7,
+             any.focus ==1.0.2,
+             any.foldl ==1.4.11,
+             any.free ==5.1.6,
+             any.fusion-plugin-types ==0.1.0,
              any.generic-arbitrary ==0.1.0,
              any.generics-sop ==0.5.1.1,
-             any.ghc-boot-th ==8.10.5,
+             any.ghc-boot-th ==8.10.4,
-             any.ghc-byteorder ==4.11.0.0.10,
              any.ghc-prim ==0.6.1,
+             ghcup -internal-downloader -tar -tui,
              any.happy ==1.20.0,
-             any.hashable ==1.3.2.0,
+             any.hashable ==1.3.1.0,
-             hashable +integer-gmp -random-initial-seed,
+             hashable +integer-gmp,
              any.haskell-src-exts ==1.23.1,
              any.haskell-src-meta ==0.8.7,
              any.haskus-utils-data ==1.4,
              any.haskus-utils-types ==1.5.1,
              any.haskus-utils-variant ==3.1,
+             any.heaps ==0.3.6.1,
+             any.hpath ==0.11.0,
+             any.hpath-directory ==0.14.1,
              any.hpath-filepath ==0.10.4,
-             any.hpath-posix ==0.13.3,
+             any.hpath-io ==0.14.1,
+             any.hpath-posix ==0.13.2,
              any.hsc2hs ==0.68.7,
              hsc2hs -in-ghc-tree,
-             any.hspec ==2.7.10,
+             any.hspec ==2.7.8,
-             any.hspec-core ==2.7.10,
+             any.hspec-core ==2.7.8,
-             any.hspec-discover ==2.7.10,
+             any.hspec-discover ==2.7.8,
              any.hspec-expectations ==0.8.2,
-             any.hspec-golden-aeson ==0.9.0.0,
+             any.hspec-golden-aeson ==0.7.0.0,
-             any.http-io-streams ==0.1.6.0,
+             any.indexed-profunctors ==0.1,
-             http-io-streams -brotli +fast-xor,
-             any.indexed-profunctors ==0.1.1,
              any.indexed-traversable ==0.1.1,
              any.indexed-traversable-instances ==0.1,
              any.integer-gmp ==1.0.3.0,
              any.integer-logarithms ==1.0.3.1,
              integer-logarithms -check-bounds +integer-gmp,
-             any.io-streams ==1.5.2.1,
+             any.language-c ==0.8.3,
-             io-streams +network -nointeractivetests +zlib,
+             language-c -allwarnings +iecfpextension +separatesyb +usebytestrings,
-             any.language-c ==0.9.0.1,
+             any.libarchive ==3.0.2.1,
-             language-c -allwarnings +iecfpextension +usebytestrings,
-             any.libarchive ==3.0.2.2,
              libarchive -cross -low-memory -system-libarchive,
              any.libyaml ==0.1.2,
              libyaml -no-unicode -system-libyaml,
              any.lifted-base ==0.2.3.12,
-             any.lzma-static ==5.2.5.4,
+             any.list-t ==1.0.4,
+             any.lockfree-queue ==0.2.3.1,
+             lzma -static,
+             any.math-functions ==0.3.4.1,
+             math-functions +system-erf +system-expm1,
              any.megaparsec ==9.0.1,
              megaparsec -dev,
              any.microlens ==0.4.12.0,
              any.microlens-mtl ==0.2.0.1,
-             any.microlens-th ==0.4.3.10,
+             any.microlens-th ==0.4.3.9,
+             any.mmorph ==1.1.5,
              any.monad-control ==1.0.2.3,
              any.monad-logger ==0.3.36,
              monad-logger +template_haskell,
@@ -144,12 +142,11 @@ constraints: any.Cabal ==3.2.1.0,
              monad-loops +base4,
              any.mono-traversable ==1.0.15.1,
              any.mtl ==2.2.2,
-             any.network ==3.1.2.2,
+             any.mwc-random ==0.15.0.1,
+             any.network ==3.1.2.1,
              network -devel,
-             any.network-uri ==2.6.4.1,
              any.old-locale ==1.0.0.7,
              any.old-time ==1.1.0.3,
-             any.openssl-streams ==1.2.3.0,
              any.optics ==0.4,
              any.optics-core ==0.4,
              optics-core -explicit-generic-labels,
@@ -164,25 +161,25 @@ constraints: any.Cabal ==3.2.1.0,
              any.parsec ==3.1.14.0,
              any.parser-combinators ==1.3.0,
              parser-combinators -dev,
-             any.polyparse ==1.13,
              any.pretty ==1.1.3.6,
              any.pretty-terminal ==0.1.0.0,
              any.primitive ==0.7.1.0,
+             any.primitive-extras ==0.8.2,
+             any.primitive-unlifted ==0.1.3.0,
              any.process ==1.6.9.0,
              any.profunctors ==5.6.2,
              any.quickcheck-arbitrary-adt ==0.3.1.0,
              any.quickcheck-io ==0.2.0,
              any.random ==1.2.0,
-             any.recursion-schemes ==5.2.2.1,
+             any.recursion-schemes ==5.2.2,
              recursion-schemes +template-haskell,
-             any.regex-base ==0.94.0.1,
              any.regex-posix ==0.96.0.0,
              regex-posix -_regex-posix-clib,
              any.resourcet ==1.2.4.2,
-             any.rts ==1.0.1,
+             any.rts ==1.0,
              any.safe ==0.3.19,
-             any.safe-exceptions ==0.1.7.2,
+             any.safe-exceptions ==0.1.7.1,
-             any.scientific ==0.3.7.0,
+             any.scientific ==0.3.6.2,
              scientific -bytestring-builder -integer-simple,
              any.semigroupoids ==5.3.5,
              semigroupoids +comonad +containers +contravariant +distributive +tagged +unordered-containers,
@@ -191,31 +188,36 @@ constraints: any.Cabal ==3.2.1.0,
              any.split ==0.2.3.4,
              any.splitmix ==0.1.0.3,
              splitmix -optimised-mixer,
-             any.stm ==2.5.0.1,
+             any.stm ==2.5.0.0,
              any.stm-chans ==3.0.0.4,
              any.streaming-commons ==0.2.2.1,
              streaming-commons -use-bytestring-builder,
+             any.streamly ==0.7.3,
+             streamly -debug -dev -examples -examples-sdl -fusion-plugin -has-llvm -inspection -no-fusion -streamk,
+             any.streamly-bytestring ==0.1.2,
+             any.streamly-posix ==0.1.0.1,
              any.strict ==0.4.0.1,
              strict +assoc,
              any.strict-base ==0.4.0.0,
-             any.string-interpolate ==0.3.1.1,
+             any.string-interpolate ==0.3.1.0,
              string-interpolate -bytestring-builder -extended-benchmarks -text-builder,
              any.syb ==0.7.2.1,
              any.tagged ==0.8.6.1,
              tagged +deepseq +transformers,
-             any.tar ==0.6.0.0,
+             any.tasty ==1.3.1,
+             tasty +clock,
+             any.tasty-hunit ==0.10.0.3,
+             any.tasty-quickcheck ==0.10.1.2,
              any.template-haskell ==2.16.0.0,
-             any.temporary ==1.3,
-             any.terminal-progress-bar ==0.4.1,
              any.terminal-size ==0.3.2.1,
              any.terminfo ==0.4.1.4,
              any.text ==1.2.4.1,
              any.text-conversions ==0.3.1,
-             any.text-zipper ==0.11,
+             any.text-short ==0.1.3,
+             text-short -asserts,
              any.tf-random ==0.5,
              any.th-abstraction ==0.4.2.0,
-             any.th-compat ==0.1.2,
+             any.th-compat ==0.1.1,
-             any.th-expand-syns ==0.4.8.0,
              any.th-lift ==0.8.2,
              any.th-lift-instances ==0.1.18,
              any.th-orphans ==0.13.11,
@@ -223,7 +225,7 @@ constraints: any.Cabal ==3.2.1.0,
              any.these ==1.1.1.1,
              these +assoc,
              any.time ==1.9.3,
-             any.time-compat ==1.9.6,
+             any.time-compat ==1.9.5,
              time-compat -old-locale,
              any.transformers ==0.5.6.2,
              any.transformers-base ==0.4.5.2,
@@ -231,34 +233,29 @@ constraints: any.Cabal ==3.2.1.0,
              any.transformers-compat ==0.6.6,
              transformers-compat -five +five-three -four +generic-deriving +mtl -three -two,
              any.typed-process ==0.2.6.0,
+             any.unbounded-delays ==0.1.1.1,
              any.unix ==2.7.2.2,
              any.unix-bytestring ==0.3.7.3,
              any.unix-compat ==0.5.3,
              unix-compat -old-time,
              any.unix-time ==0.4.7,
              any.unliftio-core ==0.2.0.1,
-             any.unordered-containers ==0.2.14.0,
+             any.unordered-containers ==0.2.13.0,
              unordered-containers -debug,
-             any.uri-bytestring ==0.3.3.1,
+             any.uri-bytestring ==0.3.3.0,
              uri-bytestring -lib-werror,
              any.utf8-string ==1.0.2,
-             any.uuid-types ==1.0.5,
+             any.uuid-types ==1.0.4,
-             any.vector ==0.12.3.0,
+             any.vector ==0.12.2.0,
              vector +boundschecks -internalchecks -unsafechecks -wall,
              any.vector-algorithms ==0.8.0.4,
              vector-algorithms +bench +boundschecks -internalchecks -llvm +properties -unsafechecks,
-             any.versions ==5.0.0,
+             any.versions ==4.0.3,
              any.vty ==5.33,
-             any.word-wrap ==0.4.1,
+             any.wcwidth ==0.0.2,
+             wcwidth -cli +split-base,
              any.word8 ==0.1.3,
-             any.xor ==0.0.1.0,
              any.yaml ==0.11.5.0,
              yaml +no-examples +no-exe,
-             any.zip ==1.7.1,
+             zlib -non-blocking-ffi -pkg-config -static
-             zip -dev -disable-bzip2 -disable-zstd,
+index-state: hackage.haskell.org 2021-03-07T18:36:25Z
-             any.zlib ==0.6.2.3,
-             zlib -bundled-c-zlib -non-blocking-ffi -pkg-config,
-             any.zlib-bindings ==0.1.1.5,
-             any.zstd ==0.1.2.0,
-             zstd +standalone
-index-state: hackage.haskell.org 2021-07-12T18:00:24Z

cabal.ghc8105.project

@@ -1,28 +0,0 @@
-packages: ./ghcup.cabal
-
-optional-packages: ./vendored/*/*.cabal
-
-optimization: 2
-
-package ghcup
-    tests: True
-    flags: +tui
-
-source-repository-package
-    type: git
-    location: https://github.com/Bodigrim/tar
-    tag: ac197ec7ea4838dc2b4e22b9b888b080cedf29cf
-
-source-repository-package
-    type: git
-    location: https://github.com/bgamari/terminal-size
-    tag: 34ea816bd63f75f800eedac12c6908c6f3736036
-
-constraints: http-io-streams -brotli
-
-package libarchive
-  flags: -system-libarchive
-
-allow-newer: base, ghc-prim, template-haskell, language-c
-
-with-compiler: ghc-8.10.5

cabal.ghc884.project

@@ -0,0 +1,20 @@
+packages: ./ghcup.cabal
+
+with-compiler: ghc-8.8.4
+
+optional-packages: ./3rdparty/*/*.cabal
+
+optimization: 2
+
+package streamly
+    ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16
+
+package ghcup
+    ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16
+
+constraints: http-io-streams -brotli
+
+package libarchive
+  flags: -system-libarchive
+
+allow-newer: base, ghc-prim, template-haskell

cabal.ghc884.project.freeze

@@ -1,11 +1,12 @@
 active-repositories: hackage.haskell.org:merge
-constraints: any.Cabal ==3.4.0.0,
+constraints: any.Cabal ==3.0.1.0,
              any.HUnit ==1.6.2.0,
-             any.HsOpenSSL ==0.11.7,
+             any.IfElse ==0.85,
-             HsOpenSSL -fast-bignum -homebrew-openssl -macports-openssl -use-pkg-config,
              any.QuickCheck ==2.14.2,
              QuickCheck -old-random +templatehaskell,
              any.StateVar ==1.2.1,
+             any.abstract-deque ==0.3,
+             abstract-deque -usecas,
              any.aeson ==1.5.6.0,
              aeson -bytestring-builder -cffi -developer -fast,
              any.aeson-pretty ==0.8.8,
@@ -17,32 +18,31 @@ constraints: any.Cabal ==3.4.0.0,
              any.ansi-wl-pprint ==0.6.9,
              ansi-wl-pprint -example,
              any.array ==0.5.4.0,
+             any.ascii-string ==1.0.1.4,
              any.assoc ==1.0.2,
              any.async ==2.2.3,
              async -bench,
+             any.atomic-primops ==0.8.4,
+             atomic-primops -debug,
              any.attoparsec ==0.13.2.5,
              attoparsec -developer,
              any.auto-update ==0.1.6,
-             any.base ==4.15.0.0,
+             any.base ==4.13.0.0,
              any.base-compat ==0.11.2,
              any.base-compat-batteries ==0.11.2,
              any.base-orphans ==0.8.4,
              any.base16-bytestring ==1.0.1.0,
-             any.base64-bytestring ==1.1.0.0,
+             any.base64-bytestring ==1.2.0.1,
-             any.bifunctors ==5.5.11,
+             any.bifunctors ==5.5.10,
              bifunctors +semigroups +tagged,
-             any.binary ==0.8.8.0,
+             any.binary ==0.8.7.0,
-             any.bindings-DSL ==1.0.25,
              any.blaze-builder ==0.4.2.1,
-             any.brick ==0.61,
+             any.bytestring ==0.10.10.1,
-             brick -demos,
-             any.bytestring ==0.10.12.1,
              any.bz2 ==1.0.1.0,
              bz2 -cross +with-bzlib,
-             any.bzlib-conduit ==0.3.0.2,
+             any.c2hs ==0.28.7,
-             any.c2hs ==0.28.8,
              c2hs +base3 -regression,
-             any.call-stack ==0.4.0,
+             any.call-stack ==0.3.0,
              any.case-insensitive ==1.2.1.0,
              any.casing ==0.1.4.1,
              any.cereal ==0.5.8.1,
@@ -54,7 +54,7 @@ constraints: any.Cabal ==3.4.0.0,
              clock -llvm,
              any.cmdargs ==0.10.21,
              cmdargs +quotation -testprog,
-             any.colour ==2.3.6,
+             any.colour ==2.3.5,
              any.comonad ==5.0.8,
              comonad +containers +distributive +indexed-traversable,
              any.composition-prelude ==3.0.0.2,
@@ -62,25 +62,16 @@ constraints: any.Cabal ==3.4.0.0,
              any.concurrent-output ==1.10.12,
              any.conduit ==1.3.4.1,
              any.conduit-extra ==1.3.5,
-             any.conduit-zstd ==0.0.2.0,
+             any.containers ==0.6.2.1,
-             any.config-ini ==0.2.4.0,
-             config-ini -enable-doctests,
-             any.containers ==0.6.4.1,
              any.contravariant ==1.5.3,
              contravariant +semigroups +statevar +tagged,
-             any.cpphs ==1.20.9.1,
-             cpphs -old-locale,
-             any.cryptohash-sha1 ==0.11.100.1,
              any.cryptohash-sha256 ==0.11.102.0,
              cryptohash-sha256 -exe +use-cbits,
-             any.data-clist ==0.1.2.3,
              any.data-default-class ==0.1.2.0,
              any.data-fix ==0.3.1,
-             any.deepseq ==1.4.5.0,
+             any.deepseq ==1.4.4.0,
-             any.digest ==0.0.1.3,
+             any.deferred-folds ==0.9.17,
-             digest -bytestring-in-base,
+             any.directory ==1.3.6.0,
-             any.directory ==1.3.6.1,
-             any.disk-free-space ==0.1.0.1,
              any.distributive ==0.6.2.1,
              distributive +semigroups +tagged,
              any.dlist ==1.0,
@@ -88,55 +79,63 @@ constraints: any.Cabal ==3.4.0.0,
              any.easy-file ==0.2.2,
              any.errors ==2.3.0,
              any.exceptions ==0.10.4,
-             any.extra ==1.7.9,
+             exceptions +transformers-0-4,
-             any.fast-logger ==3.0.5,
+             any.fast-logger ==3.0.3,
              any.filepath ==1.4.2.1,
-             any.free ==5.1.7,
+             any.focus ==1.0.2,
+             any.foldl ==1.4.11,
+             any.free ==5.1.6,
+             any.fusion-plugin-types ==0.1.0,
              any.generic-arbitrary ==0.1.0,
              any.generics-sop ==0.5.1.1,
-             any.ghc-bignum ==1.0,
+             any.ghc-boot-th ==8.8.4,
-             any.ghc-boot-th ==9.0.1,
+             any.ghc-prim ==0.5.3,
-             any.ghc-byteorder ==4.11.0.0.10,
+             ghcup -internal-downloader -tar -tui,
-             any.ghc-prim ==0.7.0,
              any.happy ==1.20.0,
-             any.hashable ==1.3.2.0,
+             any.hashable ==1.3.1.0,
-             hashable +integer-gmp -random-initial-seed,
+             hashable +integer-gmp,
              any.haskell-src-exts ==1.23.1,
              any.haskell-src-meta ==0.8.7,
              any.haskus-utils-data ==1.4,
              any.haskus-utils-types ==1.5.1,
              any.haskus-utils-variant ==3.1,
+             any.heaps ==0.3.6.1,
+             any.hpath ==0.11.0,
+             any.hpath-directory ==0.14.1,
              any.hpath-filepath ==0.10.4,
-             any.hpath-posix ==0.13.3,
+             any.hpath-io ==0.14.1,
+             any.hpath-posix ==0.13.2,
              any.hsc2hs ==0.68.7,
              hsc2hs -in-ghc-tree,
-             any.hspec ==2.7.10,
+             any.hspec ==2.7.8,
-             any.hspec-core ==2.7.10,
+             any.hspec-core ==2.7.8,
-             any.hspec-discover ==2.7.10,
+             any.hspec-discover ==2.7.8,
              any.hspec-expectations ==0.8.2,
-             any.hspec-golden-aeson ==0.9.0.0,
+             any.hspec-golden-aeson ==0.7.0.0,
-             any.http-io-streams ==0.1.6.0,
+             any.indexed-profunctors ==0.1,
-             http-io-streams -brotli +fast-xor,
-             any.indexed-profunctors ==0.1.1,
              any.indexed-traversable ==0.1.1,
              any.indexed-traversable-instances ==0.1,
+             any.integer-gmp ==1.0.2.0,
              any.integer-logarithms ==1.0.3.1,
              integer-logarithms -check-bounds +integer-gmp,
-             any.io-streams ==1.5.2.1,
+             any.language-c ==0.8.3,
-             io-streams +network -nointeractivetests +zlib,
+             language-c -allwarnings +iecfpextension +separatesyb +usebytestrings,
-             any.language-c ==0.9.0.1,
+             any.libarchive ==3.0.2.1,
-             language-c -allwarnings +iecfpextension +usebytestrings,
-             any.libarchive ==3.0.2.2,
              libarchive -cross -low-memory -system-libarchive,
              any.libyaml ==0.1.2,
              libyaml -no-unicode -system-libyaml,
              any.lifted-base ==0.2.3.12,
-             any.lzma-static ==5.2.5.4,
+             any.list-t ==1.0.4,
+             any.lockfree-queue ==0.2.3.1,
+             lzma -static,
+             any.math-functions ==0.3.4.1,
+             math-functions +system-erf +system-expm1,
              any.megaparsec ==9.0.1,
              megaparsec -dev,
              any.microlens ==0.4.12.0,
              any.microlens-mtl ==0.2.0.1,
-             any.microlens-th ==0.4.3.10,
+             any.microlens-th ==0.4.3.9,
+             any.mmorph ==1.1.5,
              any.monad-control ==1.0.2.3,
              any.monad-logger ==0.3.36,
              monad-logger +template_haskell,
@@ -144,12 +143,11 @@ constraints: any.Cabal ==3.4.0.0,
              monad-loops +base4,
              any.mono-traversable ==1.0.15.1,
              any.mtl ==2.2.2,
-             any.network ==3.1.2.2,
+             any.mwc-random ==0.15.0.1,
+             any.network ==3.1.2.1,
              network -devel,
-             any.network-uri ==2.6.4.1,
              any.old-locale ==1.0.0.7,
              any.old-time ==1.1.0.3,
-             any.openssl-streams ==1.2.3.0,
              any.optics ==0.4,
              any.optics-core ==0.4,
              optics-core -explicit-generic-labels,
@@ -164,25 +162,25 @@ constraints: any.Cabal ==3.4.0.0,
              any.parsec ==3.1.14.0,
              any.parser-combinators ==1.3.0,
              parser-combinators -dev,
-             any.polyparse ==1.13,
              any.pretty ==1.1.3.6,
              any.pretty-terminal ==0.1.0.0,
              any.primitive ==0.7.1.0,
-             any.process ==1.6.11.0,
+             any.primitive-extras ==0.8.2,
+             any.primitive-unlifted ==0.1.3.0,
+             any.process ==1.6.9.0,
              any.profunctors ==5.6.2,
              any.quickcheck-arbitrary-adt ==0.3.1.0,
              any.quickcheck-io ==0.2.0,
              any.random ==1.2.0,
-             any.recursion-schemes ==5.2.2.1,
+             any.recursion-schemes ==5.2.2,
              recursion-schemes +template-haskell,
-             any.regex-base ==0.94.0.1,
              any.regex-posix ==0.96.0.0,
              regex-posix -_regex-posix-clib,
              any.resourcet ==1.2.4.2,
              any.rts ==1.0,
              any.safe ==0.3.19,
-             any.safe-exceptions ==0.1.7.2,
+             any.safe-exceptions ==0.1.7.1,
-             any.scientific ==0.3.7.0,
+             any.scientific ==0.3.6.2,
              scientific -bytestring-builder -integer-simple,
              any.semigroupoids ==5.3.5,
              semigroupoids +comonad +containers +contravariant +distributive +tagged +unordered-containers,
@@ -195,27 +193,32 @@ constraints: any.Cabal ==3.4.0.0,
              any.stm-chans ==3.0.0.4,
              any.streaming-commons ==0.2.2.1,
              streaming-commons -use-bytestring-builder,
+             any.streamly ==0.7.3,
+             streamly -debug -dev -examples -examples-sdl -fusion-plugin -has-llvm -inspection -no-fusion -streamk,
+             any.streamly-bytestring ==0.1.2,
+             any.streamly-posix ==0.1.0.1,
              any.strict ==0.4.0.1,
              strict +assoc,
              any.strict-base ==0.4.0.0,
-             any.string-interpolate ==0.3.1.1,
+             any.string-interpolate ==0.3.1.0,
              string-interpolate -bytestring-builder -extended-benchmarks -text-builder,
              any.syb ==0.7.2.1,
              any.tagged ==0.8.6.1,
              tagged +deepseq +transformers,
-             any.tar ==0.6.0.0,
+             any.tasty ==1.3.1,
-             any.template-haskell ==2.17.0.0,
+             tasty +clock,
-             any.temporary ==1.3,
+             any.tasty-hunit ==0.10.0.3,
-             any.terminal-progress-bar ==0.4.1,
+             any.tasty-quickcheck ==0.10.1.2,
+             any.template-haskell ==2.15.0.0,
              any.terminal-size ==0.3.2.1,
              any.terminfo ==0.4.1.4,
-             any.text ==1.2.4.1,
+             any.text ==1.2.4.0,
              any.text-conversions ==0.3.1,
-             any.text-zipper ==0.11,
+             any.text-short ==0.1.3,
+             text-short -asserts,
              any.tf-random ==0.5,
              any.th-abstraction ==0.4.2.0,
-             any.th-compat ==0.1.2,
+             any.th-compat ==0.1.1,
-             any.th-expand-syns ==0.4.8.0,
              any.th-lift ==0.8.2,
              any.th-lift-instances ==0.1.18,
              any.th-orphans ==0.13.11,
@@ -223,7 +226,7 @@ constraints: any.Cabal ==3.4.0.0,
              any.these ==1.1.1.1,
              these +assoc,
              any.time ==1.9.3,
-             any.time-compat ==1.9.6,
+             any.time-compat ==1.9.5,
              time-compat -old-locale,
              any.transformers ==0.5.6.2,
              any.transformers-base ==0.4.5.2,
@@ -231,34 +234,29 @@ constraints: any.Cabal ==3.4.0.0,
              any.transformers-compat ==0.6.6,
              transformers-compat -five +five-three -four +generic-deriving +mtl -three -two,
              any.typed-process ==0.2.6.0,
+             any.unbounded-delays ==0.1.1.1,
              any.unix ==2.7.2.2,
              any.unix-bytestring ==0.3.7.3,
              any.unix-compat ==0.5.3,
              unix-compat -old-time,
              any.unix-time ==0.4.7,
              any.unliftio-core ==0.2.0.1,
-             any.unordered-containers ==0.2.14.0,
+             any.unordered-containers ==0.2.13.0,
              unordered-containers -debug,
-             any.uri-bytestring ==0.3.3.1,
+             any.uri-bytestring ==0.3.3.0,
              uri-bytestring -lib-werror,
              any.utf8-string ==1.0.2,
-             any.uuid-types ==1.0.5,
+             any.uuid-types ==1.0.4,
-             any.vector ==0.12.3.0,
+             any.vector ==0.12.2.0,
              vector +boundschecks -internalchecks -unsafechecks -wall,
              any.vector-algorithms ==0.8.0.4,
              vector-algorithms +bench +boundschecks -internalchecks -llvm +properties -unsafechecks,
-             any.versions ==5.0.0,
+             any.versions ==4.0.3,
              any.vty ==5.33,
-             any.word-wrap ==0.4.1,
+             any.wcwidth ==0.0.2,
+             wcwidth -cli +split-base,
              any.word8 ==0.1.3,
-             any.xor ==0.0.1.0,
              any.yaml ==0.11.5.0,
              yaml +no-examples +no-exe,
-             any.zip ==1.7.1,
+             zlib -non-blocking-ffi -pkg-config -static
-             zip -dev -disable-bzip2 -disable-zstd,
+index-state: hackage.haskell.org 2021-03-07T18:36:25Z
-             any.zlib ==0.6.2.3,
-             zlib -bundled-c-zlib -non-blocking-ffi -pkg-config,
-             any.zlib-bindings ==0.1.1.5,
-             any.zstd ==0.1.2.0,
-             zstd +standalone
-index-state: hackage.haskell.org 2021-07-12T18:00:24Z

cabal.ghc901.project

@@ -1,28 +0,0 @@
-packages: ./ghcup.cabal
-
-optional-packages: ./vendored/*/*.cabal
-
-optimization: 2
-
-package ghcup
-    tests: True
-    flags: +tui
-
-source-repository-package
-    type: git
-    location: https://github.com/Bodigrim/tar
-    tag: ac197ec7ea4838dc2b4e22b9b888b080cedf29cf
-
-source-repository-package
-    type: git
-    location: https://github.com/bgamari/terminal-size
-    tag: 34ea816bd63f75f800eedac12c6908c6f3736036
-
-constraints: http-io-streams -brotli
-
-package libarchive
-  flags: -system-libarchive
-
-allow-newer: base, ghc-prim, template-haskell, language-c
-
-with-compiler: ghc-9.0.1

cabal.project

@@ -1,10 +1,12 @@
 packages: ./ghcup.cabal
 
-optional-packages: ./vendored/*/*.cabal
-
 optimization: 2
 
+package streamly
+    ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16
+
 package ghcup
+    ghc-options: -O2 -fspec-constr-recursive=16 -fmax-worker-args=16
     tests: True
     flags: +tui
 
@@ -13,14 +15,9 @@ source-repository-package
     location: https://github.com/Bodigrim/tar
     tag: ac197ec7ea4838dc2b4e22b9b888b080cedf29cf
 
-source-repository-package
-    type: git
-    location: https://github.com/bgamari/terminal-size
-    tag: 34ea816bd63f75f800eedac12c6908c6f3736036
-
 constraints: http-io-streams -brotli
 
 package libarchive
   flags: -system-libarchive
 
-allow-newer: base, ghc-prim, template-haskell, language-c
+allow-newer: base, ghc-prim, template-haskell

cabal.project.freeze

@@ -1,2 +0,0 @@
--- windows picks weird version
-constraints: any.hsc2hs ==0.68.7

ghcup-0.0.4.yaml

@@ -170,6 +170,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/7.10.3/ghc-7.10.3-x86_64-portbld-freebsd.tar.bz2
               dlSubdir: ghc-7.10.3
               dlHash: 2aa396edd2bb651f4bc7eef7a396913ea24923de5aafdc76df6295333e487e48
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/7.10.3/ghc-7.10.3-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-7.10.3
+              dlHash: 63e1689fc9e2809ae4d7f422b4dc810052e54c9aa2afd08746e234180e711dde
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-7103-32-deb8
@@ -236,6 +241,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.0.2/ghc-8.0.2-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.0.2
               dlHash: b36a20e5cae24d70bbb6116ae486f21811e9384f15d3892d260f02fba3e3bb8c
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.0.2/ghc-8.0.2-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.0.2
+              dlHash: 8c42c1f4af995205b9816a1e97e2752fe758544c1f5fe77958cdcd319c9c2d53
         A_32:
           Linux_Debian:
             '( >= 7 && < 8 )':
@@ -300,6 +310,11 @@ ghcupDownloads:
               dlSubdir: ghc-8.2.2
               dlHash: cd351c704b92b9af23994024df07de8ca7090ea7675d5c8b14b2be857a46d804
             unknown_versioning: *ghc-822-64-fbsd11
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.2.2/ghc-8.2.2-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.2.2
+              dlHash: 1e033df2092aa546e763e7be63167720b32df64f76673ea1ce7ae7c9f564b223
         A_32:
           Linux_Debian:
             '( >= 7 && < 8 )':
@@ -359,6 +374,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.4.1/ghc-8.4.1-x86_64-portbld11-freebsd.tar.xz
               dlSubdir: ghc-8.4.1
               dlHash: e748daec098445c6190090fe32bb2817a1140553be5acd2188e1af05ad24e5aa
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.4.1/ghc-8.4.1-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.4.1
+              dlHash: 328b013fc651d34e075019107e58bb6c8a578f0155cf3ad4557e6f2661b03131
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-841-32-deb8
@@ -414,6 +434,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.4.2/ghc-8.4.2-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.4.2
               dlHash: e9ed417fdf94c2ff2c6e344ed16f332bf6b591511f6442c0d9ea94854882b66c
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.4.2/ghc-8.4.2-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.4.2
+              dlHash: 797634aa9812fc6b2084a24ddb4fde44fa83a2f59daea82e0af81ca3dd323fde
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-842-32-deb8
@@ -464,6 +489,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.4.3/ghc-8.4.3-x86_64-apple-darwin.tar.xz
               dlSubdir: ghc-8.4.3
               dlHash: af0b455f6c46b9802b4b48dad996619cfa27cc6e2bf2ce5532387b4a8c00aa64
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.4.3/ghc-8.4.3-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.4.3
+              dlHash: 8a83cfbf9ae84de0443c39c93b931693bdf2a6d4bf163ffb41855f80f4bf883e
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-843-32-deb8
@@ -532,6 +562,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.4.4/ghc-8.4.4-x86_64-portbld-freebsd11.tar.xz
               dlSubdir: ghc-8.4.4
               dlHash: 44fbd142d1c355d6110595c59c760e2c73866ff9259ec85ebf814edb244d1940
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.4.4/ghc-8.4.4-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.4.4
+              dlHash: da29dbb0f1199611c7d5bb7b0dd6a7426ca98f67dfd6da1526b033cd3830dc05
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-844-32-deb8
@@ -592,6 +627,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.6.1/ghc-8.6.1-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.6.1
               dlHash: 51403b054a3a649039ac988e1d1112561f96750bfced63df864091a3fab36f08
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.6.1/ghc-8.6.1-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.6.1
+              dlHash: 7316d9cb5e486460476754f872c7bac30ee2082e42f46da4342f872d10b88099
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-861-32-deb8
@@ -638,6 +678,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-apple-darwin.tar.xz
               dlSubdir: ghc-8.6.2
               dlHash: 8ec46a25872226dd7e5cf7271e3f3450c05f32144b96e6b9cb44cc4079db50dc
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.6.2
+              dlHash: 9a398e133cab09ff2610834337355d4e26c35e0665403fb9ff8db79315f74d3d
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-862-32-deb8
@@ -702,6 +747,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.6.3/ghc-8.6.3-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.6.3
               dlHash: bc2419fa180f8a7808c49775987866435995df9bdd9ce08bcd38352d63ba6031
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.6.3/ghc-8.6.3-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.6.3
+              dlHash: 2fec383904e5fa79413e9afd328faf9bc700006c8c3d4bcdd8d4f2ccf0f7fa2a
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-863-32-deb8
@@ -752,6 +802,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.6.4/ghc-8.6.4-x86_64-apple-darwin.tar.xz
               dlSubdir: ghc-8.6.4
               dlHash: cccb58f142fe41b601d73690809f6089f7715b6a50a09aa3d0104176ab4db09e
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.6.4/ghc-8.6.4-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.6.4
+              dlHash: e8d021b7a90772fc559862079da20538498d991956d7557b468ca19ddda22a08
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-864-32-deb9
@@ -820,6 +875,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.6.5/ghc-8.6.5-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.6.5
               dlHash: 83a3059a630d40a98e26cb5b520354e12094a96e36ba2f5ab002dad94cf2fb37
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.6.5/ghc-8.6.5-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.6.5
+              dlHash: 457024c6ea43bdce340af428d86319931f267089398b859b00efdfe2fd4ce93f
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-865-32-deb9
@@ -890,6 +950,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.8.1/ghc-8.8.1-x86_64-apple-darwin.tar.xz
               dlSubdir: ghc-8.8.1
               dlHash: 38c8917b47c31bedf58c9305dfca3abe198d8d35570366f0773c4e2948bd8abe
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.8.1/ghc-8.8.1-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.8.1
+              dlHash: 29e56e6af38017a5a76b2b6995a39d3988fa58131e4b55b62dd317ba7186ac9b
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-881-32-deb9
@@ -949,6 +1014,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.8.2/ghc-8.8.2-x86_64-apple-darwin.tar.xz
               dlSubdir: ghc-8.8.2
               dlHash: 25c5c1a70036abf3f22b2b19c10d26adfdb08e8f8574f89d4b2042de5947f990
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.8.2/ghc-8.8.2-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.8.2
+              dlHash: e25d9b16ee62cafc7387af2cd021eea676a99cd2c32b83533b016162c63065d9
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-882-32-deb9
@@ -1013,6 +1083,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.8.3/ghc-8.8.3-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.8.3
               dlHash: 569719075b4d14b3875a899df522090ae31e6fe085e6dffe518e875b09a2f0be
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.8.3
+              dlHash: e22586762af0911c06e8140f1792e3ca381a3a482a20d67b9054883038b3a422
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-883-32-deb9
@@ -1087,6 +1162,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.8.4/ghc-8.8.4-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.8.4
               dlHash: 8cebe5ccf454e82acd1ff52ca57590d1ab0f3f44a981b46257ec12158c8c447e
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.8.4/ghc-8.8.4-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.8.4
+              dlHash: d185055d2c8dc3bfe5b88afd59d6877eb1e722b672d1c9649f18296e148ed71f
         A_32:
           Linux_Debian:
             unknown_versioning: &ghc-884-32-deb9
@@ -1164,6 +1244,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.1/ghc-8.10.1-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.10.1
               dlHash: e8646ec9b60fd40aa9505ee055f22f04601290ab7a1342c2cf37c34de9d3f142
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.1/ghc-8.10.1-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.10.1
+              dlHash: 38a3166ea50cccd5bae7e1680eae3aae2b4ae31b61f82a1d8168fb821f43bd67
         A_32:
           Linux_Debian:
             '( >= 9 && < 10 )': &ghc-8101-32-deb9
@@ -1254,6 +1339,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.10.2/ghc-8.10.2-x86_64-unknown-freebsd.tar.xz
               dlSubdir: ghc-8.10.2
               dlHash: 9e5957f3497f4b58ecd3699568d9caaa11a47a6d7e902032c261e450fa0f6686
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.2/ghc-8.10.2-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.10.2
+              dlHash: dcae4c173b9896e07ff048de5509aa0a4537233150e06e5ce8848303dfadc176
         A_32:
           Linux_Debian:
             '( >= 9 && < 10 )': &ghc-8102-32-deb9
@@ -1286,7 +1376,6 @@ ghcupDownloads:
               dlHash: bb9c97826b1f4d7a8ef8bce0616b612f1ded10480ef10fcf7fb4e6d10a6681c8
     8.10.3:
       viTags:
-      - old
       - base-4.14.1.0
       viChangeLog: https://downloads.haskell.org/~ghc/8.10.3/docs/html/users_guide/8.10.3-notes.html
       viSourceDL:
@@ -1344,6 +1433,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.10.3
               dlHash: 749007e995104db05cf6e3ad5bc36238cab8afac8055145661e5730e8f8af040
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: 927a6c699533a115cd49772ef2c753d9af2c13bf9f0b2d3bd13645cc6a144ee3
         A_32:
           Linux_Debian:
             '( >= 9 && < 10 )': &ghc-8103-32-deb9
@@ -1376,6 +1470,7 @@ ghcupDownloads:
               dlHash: b823b58cae36fbac0741680ca7605180fa4cf4c6ae439123d282184b94d32fd6
     8.10.4:
       viTags:
+      - Recommended
       - base-4.14.1.0
       viChangeLog: https://downloads.haskell.org/~ghc/8.10.4/docs/html/users_guide/8.10.4-notes.html
       viSourceDL:
@@ -1383,7 +1478,7 @@ ghcupDownloads:
         dlSubdir: ghc-8.10.4
         dlHash: 52af871b4e08550257d720c2944ac85727d0b948407cef1bebfe7508c224910e
       viPostRemove: *ghc-post-remove
-      viPreCompile: &ghc-pre-compile "If you have autoconf >= 2.70 you'll need this patch https://gitlab.haskell.org/ghc/ghc/-/snippets/2040 (see the --patchdir option)"
+      viPreCompile: "If you have autoconf >= 2.70 you'll need this patch https://gitlab.haskell.org/ghc/ghc/-/snippets/2040 (see the --patchdir option)"
       viArch:
         A_64:
           Linux_Debian:
@@ -1434,6 +1529,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-8.10.4
               dlHash: c9776a2ccf9629b03e967206a507fcdcb6c5189800a626e9461ababf6733c357
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: e9175a276504c3390a5e0084954e6997d56078737dbe7158049518892cf6bfb2
         A_32:
           Linux_Debian:
             '( >= 9 && < 10 )': &ghc-8104-32-deb9
@@ -1464,97 +1564,6 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-armv7-deb10-linux.tar.xz
               dlSubdir: ghc-8.10.4
               dlHash: 0d18ef83593272f6196a41cc3abdc48dfe5e14372db75d71ea19fe35320c4e81
-    8.10.5:
-      viTags:
-      - Recommended
-      - base-4.14.2.0
-      viChangeLog: https://downloads.haskell.org/~ghc/8.10.5/docs/html/users_guide/8.10.5-notes.html
-      viSourceDL:
-        dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-src.tar.xz
-        dlSubdir: ghc-8.10.5
-        dlHash: f10941f16e4fbd98580ab5241b9271bb0851304560c4d5ca127e3b0e20e3076f
-      viPostRemove: *ghc-post-remove
-      viPreCompile: *ghc-pre-compile
-      viArch:
-        A_64:
-          Linux_Debian:
-            '( >= 9 && < 10 )': &ghc-8105-64-deb9
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-x86_64-deb9-linux.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: 15e71325c3bdfe3804be0f84c2fc5c913d811322d19b0f4d4cff20f29cdd804d
-            '( >= 10 && < 11 )': &ghc-8105-64-deb10
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-x86_64-deb10-linux.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: bc623c20ca4c5c18e952071ba14aa0cfc5c94d34219bffaa615f7b491f376787
-            unknown_versioning: *ghc-8105-64-deb9
-          Linux_Ubuntu:
-            unknown_versioning: &ghc-8105-64-fedora
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-x86_64-fedora27-linux.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: 73528ebfb219b50aa9042ee51a0a2bd764828d605f058404989d0b645752d210
-            '( >= 16 && < 19 )': *ghc-8105-64-deb9
-          Linux_Mint:
-            unknown_versioning: *ghc-8105-64-deb10
-          Linux_Fedora:
-            '( >= 27 && < 28 )': *ghc-8105-64-fedora
-            unknown_versioning: *ghc-8105-64-fedora
-          Linux_CentOS:
-            '( >= 7 && < 8 )': &ghc-8105-64-centos
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-x86_64-centos7-linux.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: 4cdb259ec74d1408dab45dab20dcedc21690f39921c2ea4546486fb3e81f4fbd
-            unknown_versioning: *ghc-8105-64-centos
-          Linux_RedHat:
-            unknown_versioning: *ghc-8105-64-centos
-          Linux_Alpine:
-            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-x86_64-alpine3.10-linux-integer-simple.tar.xz
-              dlSubdir: ghc-8.10.5-x86_64-unknown-linux
-              dlHash: f4d7cd9ed12a4b8592219c9a63a86db1a256a09fa9e6ed755a60afc57dc782e2
-          Linux_AmazonLinux:
-            unknown_versioning: *ghc-8105-64-centos
-          Linux_UnknownLinux:
-            unknown_versioning: *ghc-8105-64-fedora
-          Darwin:
-            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-x86_64-apple-darwin.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: ef0f47eff8962d58fa447123636cf8ef31c1e5b2d0ae90177d3388861ddf4a22
-          FreeBSD:
-            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/unofficial-bindists/ghc/8.10.5/ghc-8.10.5-x86_64-portbld-freebsd.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: 11a0b490bfb2f57b5bc87c69c197542eafce1b4991cc22f625179a6c6e567834
-        A_32:
-          Linux_Debian:
-            '( >= 9 && < 10 )': &ghc-8105-32-deb9
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-i386-deb9-linux.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: 0ccb5b2c1222374874795c35410754dd650f649b774872abbea2a4ef21ac9c9d
-            unknown_versioning: *ghc-8105-32-deb9
-          Linux_Ubuntu:
-            unknown_versioning: *ghc-8105-32-deb9
-          Linux_Mint:
-            unknown_versioning: *ghc-8105-32-deb9
-          Linux_UnknownLinux:
-            unknown_versioning: *ghc-8105-32-deb9
-          Linux_Alpine:
-            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/unofficial-bindists/ghc/8.10.5/ghc-8.10.5-i386-alpine-linux.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: 0e91abe61607f9375d4e252ee9c261e4856df396f60641bb1b880ab8a3a83ea7
-        A_ARM64:
-          Linux_UnknownLinux:
-            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-aarch64-deb10-linux.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: 9a085cd8a7f8e0ace21ac67dbf659a56fcf41564b48817ba42cd8a1aac7f0ddc
-        A_ARM:
-          Linux_UnknownLinux:
-            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghc/8.10.5/ghc-8.10.5-armv7-deb10-linux.tar.xz
-              dlSubdir: ghc-8.10.5
-              dlHash: 56170d1a8450e18b7eb9c23c94723da352815b27ec250bb23742a62f16dcab6c
     9.0.1:
       viTags:
       - Latest
@@ -1615,6 +1624,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-portbld-freebsd.tar.xz
               dlSubdir: ghc-9.0.1
               dlHash: 9dbc06d8832cae5c9f86dd7b2db729b3748a47beb4fd4b1e62bb66119817c3c1
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-9.0.1-x86_64-unknown-mingw32
+              dlHash: 4f4ab118df01cbc7e7c510096deca0cb25025339a97730de0466416296202493
         A_32:
           Linux_Debian:
             '( >= 9 && < 10 )': &ghc-901-32-deb9
@@ -1705,6 +1719,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghc/9.2.1-alpha2/ghc-9.2.0.20210422-x86_64-apple-darwin.tar.xz
               dlSubdir: ghc-9.2.0.20210422
               dlHash: 8884c059f2b76e4c4309ff6bd7a7dde37663f751fd26220e9a2bcabb4d69a401
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/9.2.1-alpha2/ghc-9.2.0.20210422-x86_64-unknown-mingw32.tar.xz
+              dlSubdir: ghc-9.0.1-x86_64-unknown-mingw32
+              dlHash: 33f173b754d18f26bb27f52bb77a92fd22a48675daa2b43a1879bf01dddd7e8f
         A_32:
           Linux_Debian:
             '( >= 9 && < 10 )': &ghc-921-alpha2-32-deb9
@@ -1757,6 +1776,11 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~cabal/cabal-install-2.4.1.0/cabal-install-2.4.1.0-x86_64-portbld-freebsd.tar.xz
               dlSubdir:
               dlHash: 33b7d37ea0688c93436eac9ec139d9967687875aa1fa13f2bb73bf05a9a59a1d
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-2.4.1.0/cabal-install-2.4.1.0-x86_64-unknown-mingw32.zip
+              dlSubdir:
+              dlHash: 95f233efedb1ebf0e6db015fa2f55c1ed00b9938d207ec63c066f706fb4b6373
         A_32:
           Linux_UnknownLinux:
             unknown_versioning:
@@ -1785,6 +1809,11 @@ ghcupDownloads:
             unknown_versioning:
               dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.0.0.0/cabal-install-3.0.0.0-x86_64-portbld-freebsd.tar.xz
               dlHash: 2240842ab2ae7b955feb8b526aba1c7991248c803383107adf39990441294d2a
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.0.0.0/cabal-install-3.0.0.0-x86_64-unknown-mingw32.zip
+              dlSubdir:
+              dlHash: 8889963ebef5e829d86329fdb59832c107efd117cf7862a605f2fe2d2360de1f
         A_32:
           Linux_Alpine:
             unknown_versioning:
@@ -1816,6 +1845,11 @@ ghcupDownloads:
             unknown_versioning:
               dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.2.0.0/cabal-install-3.2.0.0-x86_64-portbld-freebsd.tar.xz
               dlHash: f1e35151cca91541b0fb4bdb3ed18f3c348038eab751845ad19c11307d66c273
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.2.0.0/cabal-install-3.2.0.0-x86_64-unknown-mingw32.zip
+              dlSubdir:
+              dlHash: 17778c3ade0482bc37f451eec326f8fce8fbe1f12b1d6aacb2e2b9e34786c054
         A_32:
           Linux_Alpine:
             unknown_versioning:
@@ -1850,6 +1884,11 @@ ghcupDownloads:
             unknown_versioning:
               dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.4.0.0/cabal-install-3.4.0.0-x86_64-freebsd-12.1-release.tar.xz
               dlHash: a1e2db664ec00e42a1e071a4181f6476f6e0bad321f1ddc0cf27831119f4c6d4
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.4.0.0/cabal-install-3.4.0.0-x86_64-windows.zip
+              dlSubdir:
+              dlHash: 860fff2d39a82d1dc0ca924a77164d0988af49c2c5f45e15d615144122beb647
         A_32:
           Linux_UnknownLinux:
             unknown_versioning: &cabal-3400-32
@@ -1868,7 +1907,7 @@ ghcupDownloads:
               dlUri: https://downloads.haskell.org/~ghcup/unofficial-bindists/cabal/3.4.0.0/cabal-install-3.4.0.0-armv7-linux-bootstrapped.tar.xz
               dlHash: 16c0d1eaba24bed14f3e152970179a45d9f9bb5cc839b2c210ad06eb7d4826ed
   GHCup:
-    0.1.15.2:
+    0.1.14.1:
       viTags:
       - Recommended
       - Latest
@@ -1878,39 +1917,39 @@ ghcupDownloads:
         A_64:
           Linux_UnknownLinux:
             unknown_versioning: &ghcup-64
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.2/x86_64-linux-ghcup-0.1.15.2
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-linux-ghcup-0.1.14.1
-              dlHash: 1eb1bb318a327754f42eaa2245bc81fe53be7c791160d28a186893ded3004ed7
+              dlHash: 59e31b2ede3ed20f79dce0f8ba0a68b6fb25e5f00ba2d7243f6a8af68d979ff5
           Darwin:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.2/x86_64-apple-darwin-ghcup-0.1.15.2
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-apple-darwin-ghcup-0.1.14.1
-              dlHash: c2a6436a49f19f108493954d4a3efcb27503e343dd6288c2641784d32320b1ea
+              dlHash: 3e1dd173b3e7b5d90dcdece423c3ddd3efb4c83e964967b0fb574c9b7b2c44e1
           FreeBSD:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.2/x86_64-portbld-freebsd-ghcup-0.1.15.2
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/x86_64-portbld-freebsd-ghcup-0.1.14.1
-              dlHash: 7e0c17dd78ebd9fd03e6ecea278c192bac31ca333721bde5b0ef99438b847a20
+              dlHash: 89a70980d77888dae8b9fd0f05e7a7920f421bc3bb5192da8e73fd4e7b4cb86f
+          Windows:
+            unknown_versioning:
+              dlUri: https://TODO
+              dlHash: 89a70980d77888dae8b9fd0f05e7a7920f421bc3bb5192da8e73fd4e7b4cb86f
           Linux_Alpine:
             unknown_versioning: *ghcup-64
         A_32:
           Linux_UnknownLinux:
             unknown_versioning: &ghcup-32
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.2/i386-linux-ghcup-0.1.15.2
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/i386-linux-ghcup-0.1.14.1
-              dlHash: 3b1fe710cded0398e920ec9716089ba65226abf181741897f387e7c539a619c2
+              dlHash: 610aac7c3be3ba3874c07b9cae5b2ca0da9a92bf381afc2597bd2dc9c70aae0c
           Linux_Alpine:
             unknown_versioning: *ghcup-32
         A_ARM64:
           Linux_UnknownLinux:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.2/aarch64-linux-ghcup-0.1.15.2
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/aarch64-linux-ghcup-0.1.14.1
-              dlHash: d91b7a5416f292f2cf813824eb419f76ad9976d258cee3581123cb6eb01db9a7
+              dlHash: e9ae07b7d41ea03e6af9c1f3587f61287827c4e29478b6a5d46ea1ce5af4cee5
-          Darwin:
-            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.2/aarch64-apple-darwin-ghcup-0.1.15.2
-              dlHash: 20625ba5e7488f2a6155331750ecead3815ea16b2695c20521633c1412f012cc
         A_ARM:
           Linux_UnknownLinux:
             unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.15.2/armv7-linux-ghcup-0.1.15.2
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.14.1/armv7-linux-ghcup-0.1.14.1
-              dlHash: 03a4af5ed895ada1dd21f4cc3f64dc9078a5bf4268313021d004c04bea7f9c2e
+              dlHash: 646832030efbc0a848df24c08b5eb7507bd15d1c2eb95fea6d9d03890f3662be
   HLS:
     1.1.0:
       viTags:
@@ -1928,5 +1967,63 @@ ghcupDownloads:
             unknown_versioning:
               dlUri: https://github.com/haskell/haskell-language-server/releases/download/1.1.0/haskell-language-server-macOS-1.1.0.tar.gz
               dlHash: 4e89b192e2f49637d772e974f2c17b16da067ecd5912575eaa542551de97681b
+          Windows:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/hls/1.1.0/haskell-language-server-Windows-1.1.0.tar.gz
+              dlHash: a1d3f451e64a041aa527a25da29e4716a2de6ae347cef4ef9312fc7611e168cc
           Linux_Alpine:
             unknown_versioning: *hls-64
+  Stack:
+    2.5.1:
+      viTags: []
+      viChangeLog: https://github.com/commercialhaskell/stack/blob/master/ChangeLog.md#v251
+      viArch:
+        A_64:
+          Linux_UnknownLinux:
+            unknown_versioning: &stack-251-64
+              dlUri: https://github.com/commercialhaskell/stack/releases/download/v2.5.1/stack-2.5.1-linux-x86_64.tar.gz
+              dlHash: c83b6c93d6541c0bce2175085a04062020f4160a86116e20f3b343b562f2d1e8
+              dlSubdir:
+                RegexDir: "stack-.*"
+          Darwin:
+            unknown_versioning:
+              dlUri: https://github.com/commercialhaskell/stack/releases/download/v2.5.1/stack-2.5.1-osx-x86_64.tar.gz
+              dlHash: f4aedfa8fbe371f77286ee97ec5c3c553842e7ae15b2952a8b8442dccba04bf0
+              dlSubdir:
+                RegexDir: "stack-.*"
+          Windows:
+            unknown_versioning:
+              dlUri: https://github.com/commercialhaskell/stack/releases/download/v2.5.1/stack-2.5.1-windows-x86_64.tar.gz
+              dlHash: 57150b422cfd42249f5e629d0eb678df6d95dabe486ced57e8298d300b940d41
+              dlSubdir:
+                RegexDir: "stack-.*"
+          Linux_Alpine:
+            unknown_versioning: *stack-251-64
+    2.7.1:
+      viTags:
+        - Recommended
+        - Latest
+      viChangeLog: https://github.com/commercialhaskell/stack/blob/master/ChangeLog.md#v271
+      viArch:
+        A_64:
+          Linux_UnknownLinux:
+            unknown_versioning: &stack-64
+              dlUri: https://github.com/commercialhaskell/stack/releases/download/v2.7.1/stack-2.7.1-linux-x86_64.tar.gz
+              dlHash: 2bc47749ee4be5eccb52a2d4a6a00b0f3b28b92517742b40c675836d7db2777d
+              dlSubdir:
+                RegexDir: "stack-.*"
+          Darwin:
+            unknown_versioning:
+              dlUri: https://github.com/commercialhaskell/stack/releases/download/v2.7.1/stack-2.7.1-osx-x86_64.tar.gz
+              dlHash: 4248c6fbc87e8a2c06f39e867eb5ef28eae0d99470137cb415356c631c0dcbf2
+              dlSubdir:
+                RegexDir: "stack-.*"
+          Windows:
+            unknown_versioning:
+              dlUri: https://github.com/commercialhaskell/stack/releases/download/v2.7.1/stack-2.7.1-windows-x86_64.tar.gz
+              dlHash: 8452f5fc9235620a84863f2f68e5f681c72d0d181cde50482f178a966ee0ceb9
+              dlSubdir:
+                RegexDir: "stack-.*"
+          Linux_Alpine:
+            unknown_versioning: *stack-64
+

ghcup.cabal

@@ -1,6 +1,6 @@
 cabal-version:   3.0
 name:            ghcup
-version:         0.1.15.2
+version:         0.1.14.2
 license:         LGPL-3.0-only
 license-file:    LICENSE
 copyright:       Julian Ospald 2020
@@ -19,7 +19,6 @@ extra-doc-files:
   CHANGELOG.md
   config.yaml
   ghcup-0.0.4.yaml
-  ghcup-0.0.5.yaml
   HACKING.md
   README.md
   RELEASING.md
@@ -43,7 +42,9 @@ flag internal-downloader
   manual:      True
 
 flag tar
-  description: Use tar-bytestring instead of libarchive.
+  description:
+    Use tar-bytestring instead of libarchive. This is always enabled on windows.
+
   default:     False
   manual:      True
 
@@ -74,20 +75,14 @@ library
   autogen-modules:    Paths_ghcup
   default-language:   Haskell2010
   default-extensions:
-    DeriveGeneric
     LambdaCase
     MultiWayIf
-    NamedFieldPuns
     PackageImports
-    QuasiQuotes
     RecordWildCards
     ScopedTypeVariables
     Strict
     StrictData
     TupleSections
-    TypeApplications
-    TypeFamilies
-    ViewPatterns
 
   ghc-options:
     -Wall -fwarn-tabs -fwarn-incomplete-uni-patterns
@@ -113,7 +108,7 @@ library
     , generics-sop          ^>=0.5
     , haskus-utils-types    ^>=1.5
     , haskus-utils-variant  >=3.0        && <3.2
-    , lzma-static           ^>=5.2.5.3
+    , lzma-static           ^>=5.2.5.2
     , megaparsec            >=8.0.0      && <9.1
     , monad-logger          ^>=0.3.31
     , mtl                   ^>=2.2
@@ -123,14 +118,17 @@ library
     , parsec                ^>=3.1
     , pretty                ^>=1.1.3.1
     , pretty-terminal       ^>=0.1.0.0
+    , process               ^>=1.6.9.0
     , regex-posix           ^>=0.96
     , resourcet             ^>=1.2.2
     , safe                  ^>=0.3.18
     , safe-exceptions       ^>=0.1
     , split                 ^>=0.2.3.4
+    , streamly              ^>=0.7.3
+    , streamly-bytestring   ^>=0.1.2
     , strict-base           ^>=0.4
     , string-interpolate    >=0.2.0.0    && <0.4
-    , template-haskell      >=2.7        && <2.18
+    , template-haskell      >=2.7        && <2.17
     , temporary             ^>=1.3
     , text                  ^>=1.2.4.0
     , time                  ^>=1.9.3
@@ -140,10 +138,10 @@ library
     , uri-bytestring        ^>=0.3.2.2
     , utf8-string           ^>=1.0
     , vector                ^>=0.12
-    , versions              >=4.0.1      && <5.1
+    , versions              ^>=4.0.1
     , word8                 ^>=0.1.3
     , yaml                  ^>=0.11.4.0
-    , zip                   ^>=1.7.1
+    , zip                   ^>=1.7.0
     , zlib                  ^>=0.6.2.2
 
   if (flag(internal-downloader) && !os(windows))
@@ -152,10 +150,10 @@ library
     build-depends:
       , HsOpenSSL              >=0.11.4.18
       , http-io-streams        >=0.1.2.0
-      , io-streams             >=1.5.2.1
+      , io-streams             >=1.5
       , terminal-progress-bar  >=0.4.1
 
-  if flag(tar)
+  if (flag(tar) || os(windows))
     cpp-options:   -DTAR
     build-depends: tar
 
@@ -165,18 +163,14 @@ library
   if os(windows)
     cpp-options:   -DIS_WINDOWS
     other-modules: GHCup.Utils.File.Windows
-    build-depends:
+    build-depends: bzlib
-      , bzlib
-      , process  ^>=1.6.11.0
-      , retry    ^>=0.8.1.2
-      , Win32    ^>=2.10
 
   else
     other-modules: GHCup.Utils.File.Posix
     build-depends:
-      , bz2              >=0.5.0.5 && <1.1
+        bz2              >=0.5.0.5 && <1.1
       , hpath-posix      ^>=0.13.3
-      , process          ^>=1.6.9
+      , streamly-posix   ^>=0.1.0.0
       , unix             ^>=2.7
       , unix-bytestring  ^>=0.3.7.3
 
@@ -191,7 +185,6 @@ executable ghcup
   default-extensions:
     LambdaCase
     MultiWayIf
-    NamedFieldPuns
     PackageImports
     RecordWildCards
     ScopedTypeVariables
@@ -204,6 +197,7 @@ executable ghcup
     -fwarn-incomplete-record-updates -threaded
 
   build-depends:
+    , aeson                 >=1.4      && <1.6
     , base                  >=4.13     && <5
     , bytestring            ^>=0.10
     , containers            ^>=0.6
@@ -220,11 +214,11 @@ executable ghcup
     , safe                  ^>=0.3.18
     , safe-exceptions       ^>=0.1
     , string-interpolate    >=0.2.0.0  && <0.4
-    , template-haskell      >=2.7      && <2.18
+    , template-haskell      >=2.7      && <2.17
     , text                  ^>=1.2.4.0
     , uri-bytestring        ^>=0.3.2.2
     , utf8-string           ^>=1.0
-    , versions              >=4.0.1    && <5.1
+    , versions              ^>=4.0.1
 
   if flag(internal-downloader)
     cpp-options: -DINTERNAL_DOWNLOADER
@@ -233,15 +227,11 @@ executable ghcup
     cpp-options:   -DBRICK
     other-modules: BrickMain
     build-depends:
-      , brick         >=0.5    && <0.62
+      , brick   >=0.5    && <0.62
-      , transformers  ^>=0.5
+      , vector  ^>=0.12
-      , vector        ^>=0.12
+      , vty     >=5.28.2 && <5.34
-      , vty           >=5.28.2 && <5.34
 
-  if os(windows)
+  if (flag(tar) || os(windows))
-    cpp-options: -DIS_WINDOWS
-
-  if flag(tar)
     cpp-options: -DTAR
 
   else
@@ -253,26 +243,20 @@ executable ghcup-gen
   other-modules:      Validate
   default-language:   Haskell2010
   default-extensions:
-    DeriveGeneric
     LambdaCase
     MultiWayIf
-    NamedFieldPuns
     PackageImports
-    QuasiQuotes
     RecordWildCards
     ScopedTypeVariables
-    Strict
-    StrictData
     TupleSections
-    TypeApplications
-    TypeFamilies
-    ViewPatterns
 
   ghc-options:
     -Wall -fwarn-tabs -fwarn-incomplete-uni-patterns
     -fwarn-incomplete-record-updates -threaded
 
   build-depends:
+    , aeson                 >=1.4      && <1.6
+    , aeson-pretty          ^>=0.8.8
     , base                  >=4.13     && <5
     , bytestring            ^>=0.10
     , containers            ^>=0.6
@@ -292,10 +276,11 @@ executable ghcup-gen
     , text                  ^>=1.2.4.0
     , transformers          ^>=0.5
     , uri-bytestring        ^>=0.3.2.2
-    , versions              >=4.0.1    && <5.1
+    , utf8-string           ^>=1.0
+    , versions              ^>=4.0.1
     , yaml                  ^>=0.11.4.0
 
-  if flag(tar)
+  if (flag(tar) || os(windows))
     cpp-options:   -DTAR
     build-depends: tar
 
@@ -331,9 +316,9 @@ test-suite ghcup-test
     , generic-arbitrary         ^>=0.1.0
     , ghcup
     , hspec                     ^>=2.7.10
-    , hspec-golden-aeson        ^>=0.9
+    , hspec-golden-aeson        >=0.9 && <0.10
     , QuickCheck                ^>=2.14.1
     , quickcheck-arbitrary-adt  ^>=0.3.1.0
     , text                      ^>=1.2.4.0
     , uri-bytestring            ^>=0.3.2.2
-    , versions                  >=4.0.1   && <5.1
+    , versions                  ^>=4.0.1

lib/GHCup/Download.hs

@@ -36,7 +36,7 @@ import           GHCup.Errors
 import           GHCup.Types
 import           GHCup.Types.JSON               ( )
 import           GHCup.Types.Optics
-import           GHCup.Utils.Dirs
+import           GHCup.Utils
 import           GHCup.Utils.File
 import           GHCup.Utils.Prelude
 import           GHCup.Version
@@ -53,8 +53,8 @@ import           Control.Monad.Trans.Resource
                                          hiding ( throwM )
 import           Data.Aeson
 import           Data.Bifunctor
-import           Data.ByteString                ( ByteString )
 #if defined(INTERNAL_DOWNLOADER)
+import           Data.ByteString                ( ByteString )
 import           Data.CaseInsensitive           ( CI )
 #endif
 import           Data.List.Extra
@@ -66,7 +66,6 @@ import           Data.Time.Clock.POSIX
 import           Data.Time.Format
 #endif
 import           Data.Versions
-import           Data.Word8
 import           GHC.IO.Exception
 import           Haskus.Utils.Variant.Excepts
 import           Optics
@@ -81,7 +80,6 @@ import           System.IO.Error
 import           URI.ByteString
 
 import qualified Crypto.Hash.SHA256            as SHA256
-import qualified Data.ByteString               as B
 import qualified Data.ByteString.Base16        as B16
 import qualified Data.ByteString.Lazy          as L
 import qualified Data.Map.Strict               as M
@@ -112,26 +110,26 @@ getDownloadsF :: ( FromJSONKey Tool
                  , MonadLogger m
                  , MonadThrow m
                  , MonadFail m
+                 , MonadReader AppState m
                  )
-              => Settings
+              => URLSource
-              -> Dirs
               -> Excepts
                    '[JSONError , DownloadFailed , FileDoesNotExistError]
                    m
                    GHCupInfo
-getDownloadsF settings@Settings{ urlSource } dirs = do
+getDownloadsF urlSource = do
   case urlSource of
-    GHCupURL -> liftE $ getBase dirs settings
+    GHCupURL -> liftE getBase
     (OwnSource url) -> do
-      bs <- reThrowAll DownloadFailed $ downloadBS (downloader settings) url
+      bs <- reThrowAll DownloadFailed $ downloadBS url
       lE' JSONDecodeError $ first show $ Y.decodeEither' (L.toStrict bs)
     (OwnSpec av) -> pure av
     (AddSource (Left ext)) -> do
-      base <- liftE $ getBase dirs settings
+      base <- liftE getBase
       pure (mergeGhcupInfo base ext)
     (AddSource (Right uri)) -> do
-      base <- liftE $ getBase dirs settings
+      base <- liftE getBase
-      bsExt <- reThrowAll DownloadFailed $ downloadBS (downloader settings) uri
+      bsExt <- reThrowAll DownloadFailed $ downloadBS uri
       ext <- lE' JSONDecodeError $ first show $ Y.decodeEither' (L.toStrict bsExt)
       pure (mergeGhcupInfo base ext)
 
@@ -140,19 +138,18 @@ getDownloadsF settings@Settings{ urlSource } dirs = do
   mergeGhcupInfo :: GHCupInfo -- ^ base to merge with
                  -> GHCupInfo -- ^ extension overwriting the base
                  -> GHCupInfo
-  mergeGhcupInfo (GHCupInfo tr base base2) (GHCupInfo _ ext ext2) =
+  mergeGhcupInfo (GHCupInfo tr base) (GHCupInfo _ ext) =
-    let newDownloads = M.mapWithKey (\k a -> case M.lookup k ext of
+    let new = M.mapWithKey (\k a -> case M.lookup k ext of
                                         Just a' -> M.union a' a
                                         Nothing -> a
-                                    ) base
+                           ) base
-        newGlobalTools = M.union base2 ext2
+    in GHCupInfo tr new
-    in GHCupInfo tr newDownloads newGlobalTools
 
 
-readFromCache :: (MonadIO m, MonadCatch m, MonadLogger m)
+readFromCache :: (MonadIO m, MonadCatch m, MonadLogger m, MonadReader AppState m)
-              => Dirs
+              => Excepts '[JSONError, FileDoesNotExistError] m GHCupInfo
-              -> Excepts '[JSONError, FileDoesNotExistError] m GHCupInfo
+readFromCache = do
-readFromCache Dirs {..} = do
+  AppState {dirs = Dirs {..}} <- lift ask
   lift $ $(logWarn)
     [i|Could not get download info, trying cached version (this may not be recent!)|]
   let path = view pathL' ghcupURL
@@ -165,14 +162,12 @@ readFromCache Dirs {..} = do
   lE' JSONDecodeError $ first show $ Y.decodeEither' (L.toStrict bs)
 
 
-getBase :: (MonadFail m, MonadIO m, MonadCatch m, MonadLogger m)
+getBase :: (MonadFail m, MonadIO m, MonadCatch m, MonadLogger m, MonadReader AppState m)
-        => Dirs
+        => Excepts '[JSONError , FileDoesNotExistError] m GHCupInfo
-        -> Settings
+getBase =
-        -> Excepts '[JSONError , FileDoesNotExistError] m GHCupInfo
+  handleIO (\_ -> readFromCache)
-getBase dirs@Dirs{..} Settings{ downloader }  =
-  handleIO (\_ -> readFromCache dirs)
   $ catchE @_ @'[JSONError, FileDoesNotExistError]
-      (\(DownloadFailed _) -> readFromCache dirs)
+      (\(DownloadFailed _) -> readFromCache)
   (reThrowAll @_ @_ @'[JSONError, DownloadFailed] DownloadFailed (smartDl ghcupURL)
     >>= (liftE . lE' @_ @_ @'[JSONError] JSONDecodeError . first show . Y.decodeEither' . L.toStrict))
     where
@@ -190,6 +185,7 @@ getBase dirs@Dirs{..} Settings{ downloader }  =
              , MonadIO m1
              , MonadFail m1
              , MonadLogger m1
+             , MonadReader AppState m1
              )
           => URI
           -> Excepts
@@ -204,6 +200,7 @@ getBase dirs@Dirs{..} Settings{ downloader }  =
                m1
                L.ByteString
   smartDl uri' = do
+    AppState {dirs = Dirs {..}} <- lift ask
     let path = view pathL' uri'
     let json_file = cacheDir </> (T.unpack . decUTF8Safe . urlBaseName $ path)
     e         <- liftIO $ doesFileExist json_file
@@ -227,6 +224,7 @@ getBase dirs@Dirs{..} Settings{ downloader }  =
           else -- access in less than 5 minutes, re-use file
                liftIO $ L.readFile json_file
       else do
+        liftIO $ createDirRecursive' cacheDir
         getModTime >>= \case
           Just modTime -> dlWithMod modTime json_file
           Nothing -> do
@@ -237,12 +235,12 @@ getBase dirs@Dirs{..} Settings{ downloader }  =
 
    where
     dlWithMod modTime json_file = do
-      bs <- liftE $ downloadBS downloader uri'
+      bs <- liftE $ downloadBS uri'
       liftIO $ writeFileWithModTime modTime json_file bs
       pure bs
     dlWithoutMod json_file = do
-      bs <- liftE $ downloadBS downloader uri'
+      bs <- liftE $ downloadBS uri'
-      liftIO $ hideError doesNotExistErrorType $ rmFile json_file
+      liftIO $ hideError doesNotExistErrorType $ removeFile json_file
       liftIO $ L.writeFile json_file bs
       liftIO $ setModificationTime json_file (posixSecondsToUTCTime (fromIntegral @Int 0))
       pure bs
@@ -322,16 +320,16 @@ getDownloadInfo t v (PlatformRequest a p mv) dls = maybe
 --
 -- The file must not exist.
 download :: ( MonadMask m
+            , MonadReader AppState m
             , MonadThrow m
             , MonadLogger m
             , MonadIO m
             )
-         => Settings
+         => DownloadInfo
-         -> DownloadInfo
          -> FilePath          -- ^ destination dir
          -> Maybe FilePath    -- ^ optional filename
          -> Excepts '[DigestError , DownloadFailed] m FilePath
-download settings@Settings{ downloader } dli dest mfn
+download dli dest mfn
   | scheme == "https" = dl
   | scheme == "http"  = dl
   | scheme == "file"  = cp
@@ -356,20 +354,20 @@ download settings@Settings{ downloader } dli dest mfn
 
     -- download
     flip onException
-         (liftIO $ hideError doesNotExistErrorType $ rmFile destFile)
+         (liftIO $ hideError doesNotExistErrorType $ removeFile destFile)
      $ catchAllE @_ @'[ProcessError, DownloadFailed, UnsupportedScheme]
           (\e ->
-            liftIO (hideError doesNotExistErrorType $ rmFile destFile)
+            liftIO (hideError doesNotExistErrorType $ removeFile destFile)
               >> (throwE . DownloadFailed $ e)
           ) $ do
-              case downloader of
+              lift getDownloader >>= \case
                 Curl -> do
                   o' <- liftIO getCurlOpts
-                  liftE $ lEM @_ @'[ProcessError] $ exec "curl" 
+                  liftE $ lEM @_ @'[ProcessError] $ liftIO $ exec "curl" 
                     (o' ++ ["-fL", "-o", destFile, (T.unpack . decUTF8Safe) $ serializeURIRef' $ view dlUri dli]) Nothing Nothing
                 Wget -> do
                   o' <- liftIO getWgetOpts
-                  liftE $ lEM @_ @'[ProcessError] $ exec "wget" 
+                  liftE $ lEM @_ @'[ProcessError] $ liftIO $ exec "wget" 
                     (o' ++ ["-O", destFile , (T.unpack . decUTF8Safe) $ serializeURIRef' $ view dlUri dli]) Nothing Nothing
 #if defined(INTERNAL_DOWNLOADER)
                 Internal -> do
@@ -377,7 +375,7 @@ download settings@Settings{ downloader } dli dest mfn
                   liftE $ downloadToFile https host fullPath port destFile
 #endif
 
-    liftE $ checkDigest settings dli destFile
+    liftE $ checkDigest dli destFile
     pure destFile
 
   -- Manage to find a file we can write the body into.
@@ -395,40 +393,27 @@ downloadCached :: ( MonadMask m
                   , MonadLogger m
                   , MonadIO m
                   , MonadUnliftIO m
+                  , MonadReader AppState m
                   )
-               => Settings
+               => DownloadInfo
-               -> Dirs
-               -> DownloadInfo
                -> Maybe FilePath  -- ^ optional filename
                -> Excepts '[DigestError , DownloadFailed] m FilePath
-downloadCached settings@Settings{ cache } dirs dli mfn = do
+downloadCached dli mfn = do
+  cache <- lift getCache
   case cache of
-    True -> downloadCached' settings dirs dli mfn
+    True -> do
+      AppState {dirs = Dirs {..}} <- lift ask
+      let fn = fromMaybe ((T.unpack . decUTF8Safe) $ urlBaseName $ view (dlUri % pathL') dli) mfn
+      let cachfile = cacheDir </> fn
+      fileExists <- liftIO $ doesFileExist cachfile
+      if
+        | fileExists -> do
+          liftE $ checkDigest dli cachfile
+          pure cachfile
+        | otherwise -> liftE $ download dli cacheDir mfn
     False -> do
       tmp <- lift withGHCupTmpDir
-      liftE $ download settings dli tmp mfn
+      liftE $ download dli tmp mfn
-
-
-downloadCached' :: ( MonadMask m
-                   , MonadThrow m
-                   , MonadLogger m
-                   , MonadIO m
-                   , MonadUnliftIO m
-                   )
-                => Settings
-                -> Dirs
-                -> DownloadInfo
-                -> Maybe FilePath  -- ^ optional filename
-                -> Excepts '[DigestError , DownloadFailed] m FilePath
-downloadCached' settings Dirs{..} dli mfn = do
-  let fn = fromMaybe ((T.unpack . decUTF8Safe) $ urlBaseName $ view (dlUri % pathL') dli) mfn
-  let cachfile = cacheDir </> fn
-  fileExists <- liftIO $ doesFileExist cachfile
-  if
-    | fileExists -> do
-      liftE $ checkDigest settings dli cachfile
-      pure cachfile
-    | otherwise -> liftE $ download settings dli cacheDir mfn
 
 
 
@@ -441,9 +426,8 @@ downloadCached' settings Dirs{..} dli mfn = do
 
 
 -- | This is used for downloading the JSON.
-downloadBS :: (MonadCatch m, MonadIO m, MonadLogger m)
+downloadBS :: (MonadReader AppState m, MonadCatch m, MonadIO m, MonadLogger m)
-           => Downloader
+           => URI
-           -> URI
            -> Excepts
                 '[ FileDoesNotExistError
                  , HTTPStatusError
@@ -455,7 +439,7 @@ downloadBS :: (MonadCatch m, MonadIO m, MonadLogger m)
                  ]
                 m
                 L.ByteString
-downloadBS downloader uri'
+downloadBS uri'
   | scheme == "https"
   = dl True
   | scheme == "http"
@@ -475,12 +459,12 @@ downloadBS downloader uri'
   dl _ = do
 #endif
     lift $ $(logDebug) [i|downloading: #{serializeURIRef' uri'}|]
-    case downloader of
+    lift getDownloader >>= \case
       Curl -> do
         o' <- liftIO getCurlOpts
         let exe = "curl"
             args = o' ++ ["-sSfL", T.unpack $ decUTF8Safe $ serializeURIRef' uri']
-        lift (executeOut exe args Nothing) >>= \case
+        liftIO (executeOut exe args Nothing) >>= \case
           CapturedProcess ExitSuccess stdout _ -> do
             pure stdout
           CapturedProcess (ExitFailure i') _ _ -> throwE $ NonZeroExit i' exe args
@@ -488,7 +472,7 @@ downloadBS downloader uri'
         o' <- liftIO getWgetOpts
         let exe = "wget"
             args = o' ++ ["-qO-", T.unpack $ decUTF8Safe $ serializeURIRef' uri']
-        lift (executeOut exe args Nothing) >>= \case
+        liftIO (executeOut exe args Nothing) >>= \case
           CapturedProcess ExitSuccess stdout _ -> do
             pure stdout
           CapturedProcess (ExitFailure i') _ _ -> throwE $ NonZeroExit i' exe args
@@ -499,13 +483,12 @@ downloadBS downloader uri'
 #endif
 
 
-checkDigest :: (MonadIO m, MonadThrow m, MonadLogger m)
+checkDigest :: (MonadIO m, MonadThrow m, MonadLogger m, MonadReader AppState m)
-            => Settings
+            => DownloadInfo
-            -> DownloadInfo
             -> FilePath
             -> Excepts '[DigestError] m ()
-checkDigest Settings{ noVerify } dli file = do
+checkDigest dli file = do
-  let verify = not noVerify
+  verify <- lift ask <&> (not . noVerify . settings)
   when verify $ do
     let p' = takeFileName file
     lift $ $(logInfo) [i|verifying digest of: #{p'}|]
@@ -530,8 +513,3 @@ getWgetOpts =
     Just r  -> pure $ splitOn " " r
     Nothing -> pure []
 
-
-urlBaseName :: ByteString  -- ^ the url path (without scheme and host)
-            -> ByteString
-urlBaseName = snd . B.breakEnd (== _slash) . urlDecode False
-

lib/GHCup/Platform.hs

@@ -44,7 +44,6 @@ import           Prelude                 hiding ( abs
 import           System.Info
 import           System.Directory
 import           System.OsRelease
-import           Text.PrettyPrint.HughesPJClass ( prettyShow )
 import           Text.Regex.Posix
 
 import qualified Data.Text                     as T
@@ -58,7 +57,7 @@ import qualified Data.Text.IO                  as T
 
 
 -- | Get the full platform request, consisting of architecture, distro, ...
-platformRequest :: (Alternative m, MonadFail m, MonadLogger m, MonadCatch m, MonadIO m)
+platformRequest :: (MonadLogger m, MonadCatch m, MonadIO m)
                 => Excepts
                      '[NoCompatiblePlatform, NoCompatibleArch, DistroNotFound]
                      m
@@ -83,7 +82,7 @@ getArchitecture = case arch of
   what          -> Left (NoCompatibleArch what)
 
 
-getPlatform :: (Alternative m, MonadLogger m, MonadCatch m, MonadIO m, MonadFail m)
+getPlatform :: (MonadLogger m, MonadCatch m, MonadIO m)
             => Excepts
                  '[NoCompatiblePlatform, DistroNotFound]
                  m
@@ -98,6 +97,7 @@ getPlatform = do
         either (const Nothing) Just
           . versioning
           -- TODO: maybe do this somewhere else
+          . getMajorVersion
           . decUTF8Safe'
         <$> getDarwinVersion
       pure $ PlatformResult { _platform = Darwin, _distroVersion = ver }
@@ -108,24 +108,26 @@ getPlatform = do
       pure $ PlatformResult { _platform = FreeBSD, _distroVersion = ver }
     "mingw32" -> pure PlatformResult { _platform = Windows, _distroVersion = Nothing }
     what -> throwE $ NoCompatiblePlatform what
-  lift $ $(logDebug) [i|Identified Platform as: #{prettyShow pfr}|]
+  lift $ $(logDebug) [i|Identified Platform as: #{pfr}|]
   pure pfr
  where
-  getFreeBSDVersion = lift $ fmap _stdOut $ executeOut "freebsd-version" [] Nothing
+  getMajorVersion = T.intercalate "." . take 2 . T.split (== '.')
-  getDarwinVersion = lift $ fmap _stdOut $ executeOut "sw_vers"
+  getFreeBSDVersion =
+    liftIO $ fmap _stdOut $ executeOut "freebsd-version" [] Nothing
+  getDarwinVersion = liftIO $ fmap _stdOut $ executeOut "sw_vers"
                                                         ["-productVersion"]
                                                         Nothing
 
 
-getLinuxDistro :: (Alternative m, MonadCatch m, MonadIO m, MonadFail m)
+getLinuxDistro :: (MonadCatch m, MonadIO m)
                => Excepts '[DistroNotFound] m (LinuxDistro, Maybe Versioning)
 getLinuxDistro = do
   -- TODO: don't do alternative on IO, because it hides bugs
-  (name, ver) <- handleIO (\_ -> throwE DistroNotFound) $ lift $ asum
+  (name, ver) <- handleIO (\_ -> throwE DistroNotFound) $ liftIO $ asum
-    [ liftIO try_os_release
+    [ try_os_release
     , try_lsb_release_cmd
-    , liftIO try_redhat_release
+    , try_redhat_release
-    , liftIO try_debian_version
+    , try_debian_version
     ]
   let parsedVer = ver >>= either (const Nothing) Just . versioning
       distro    = if
@@ -161,10 +163,9 @@ getLinuxDistro = do
       fmap osRelease <$> parseOsRelease
     pure (T.pack name, fmap T.pack version_id)
 
-  try_lsb_release_cmd :: (MonadFail m, MonadIO m)
+  try_lsb_release_cmd :: IO (Text, Maybe Text)
-                      => m (Text, Maybe Text)
   try_lsb_release_cmd = do
-    (Just _) <- liftIO $ findExecutable lsb_release_cmd
+    (Just _) <- findExecutable lsb_release_cmd
     name     <- fmap _stdOut $ executeOut lsb_release_cmd ["-si"] Nothing
     ver      <- fmap _stdOut $ executeOut lsb_release_cmd ["-sr"] Nothing
     pure (decUTF8Safe' name, Just $ decUTF8Safe' ver)

lib/GHCup/Types.hs

@@ -20,20 +20,16 @@ module GHCup.Types
   )
   where
 
-import           Control.Applicative
-import           Control.Monad.Logger
 import           Data.Map.Strict                ( Map )
 import           Data.List.NonEmpty             ( NonEmpty (..) )
 import           Data.Text                      ( Text )
 import           Data.Versions
-import           Haskus.Utils.Variant.Excepts
 import           Text.PrettyPrint.HughesPJClass (Pretty, pPrint, text)
 import           URI.ByteString
 #if defined(BRICK)
 import           Graphics.Vty                   ( Key(..) )
 #endif
 
-import qualified Control.Monad.Trans.Class     as Trans
 import qualified Data.Text                     as T
 import qualified GHC.Generics                  as GHC
 
@@ -56,7 +52,6 @@ data Key = KEsc  | KChar Char | KBS | KEnter
 data GHCupInfo = GHCupInfo
   { _toolRequirements :: ToolRequirements
   , _ghcupDownloads   :: GHCupDownloads
-  , _globalTools      :: Map GlobalTool DownloadInfo
   }
   deriving (Show, GHC.Generic)
 
@@ -105,9 +100,6 @@ data Tool = GHC
           | Stack
   deriving (Eq, GHC.Generic, Ord, Show, Enum, Bounded)
 
-data GlobalTool = ShimGen
-  deriving (Eq, GHC.Generic, Ord, Show, Enum, Bounded)
-
 
 -- | All necessary information of a tool version, including
 -- source download and per-architecture downloads.
@@ -315,8 +307,6 @@ data AppState = AppState
   { settings :: Settings
   , dirs :: Dirs
   , keyBindings :: KeyBindings
-  , ghcupInfo :: GHCupInfo
-  , pfreq :: PlatformRequest
   } deriving (Show)
 
 data Settings = Settings
@@ -447,16 +437,3 @@ instance Pretty Versioning where
 
 instance Pretty Version where
   pPrint = text . T.unpack . prettyVer
-
-
-instance (Monad m, Alternative m) => Alternative (LoggingT m) where
-    empty   = Trans.lift empty
-    {-# INLINE empty #-}
-    m <|> n = LoggingT $ \ r -> runLoggingT m r <|> runLoggingT n r
-    {-# INLINE (<|>) #-}
-
-
-instance MonadLogger m => MonadLogger (Excepts e m) where
-  monadLoggerLog a b c d = Trans.lift $ monadLoggerLog a b c d
-
-

lib/GHCup/Types/JSON.hs

@@ -44,16 +44,23 @@ import qualified Text.Megaparsec.Char          as MPC
 
 deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } { fieldLabelModifier = removeLensFieldLabel } ''Architecture
 deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''LinuxDistro
-deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''VSep
+deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''Mess
-deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''VUnit
 deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''MChunk
 deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''Platform
-deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''Mess
 deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''SemVer
 deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''Tool
-deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''GlobalTool
+deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''VSep
+deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''VUnit
+deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''VersionInfo
+deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''DownloadInfo
+deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''GHCupInfo
+deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''Requirements
 deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''KeepDirs
 deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''Downloader
+deriveJSON defaultOptions { sumEncoding = ObjectWithSingleField } ''URLSource
+deriveJSON defaultOptions { fieldLabelModifier = \str' -> maybe str' T.unpack . T.stripPrefix (T.pack "u-") . T.pack . kebab $ str' } ''UserSettings
+deriveJSON defaultOptions { fieldLabelModifier = \str' -> maybe str' T.unpack . T.stripPrefix (T.pack "k-") . T.pack . kebab $ str' } ''UserKeyBindings
+deriveJSON defaultOptions { sumEncoding = ObjectWithSingleField } ''Key
 
 instance ToJSON Tag where
   toJSON Latest             = String "Latest"
@@ -190,12 +197,6 @@ instance ToJSONKey Tool where
 instance FromJSONKey Tool where
   fromJSONKey = genericFromJSONKey defaultJSONKeyOptions
 
-instance ToJSONKey GlobalTool where
-  toJSONKey = genericToJSONKey defaultJSONKeyOptions
-
-instance FromJSONKey GlobalTool where
-  fromJSONKey = genericFromJSONKey defaultJSONKeyOptions
-
 instance ToJSON TarDir where
   toJSON (RealDir  p) = toJSON p
   toJSON (RegexDir r) = object ["RegexDir" .= r]
@@ -305,14 +306,3 @@ instance FromJSONKey (Maybe VersionRange)  where
     just t = case MP.parse versionRangeP "" t of
       Right x -> pure $ Just x
       Left  e -> fail $ "Failure in (Maybe VersionRange) (FromJSONKey)" <> MP.errorBundlePretty e
-
-
-
-deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''Requirements
-deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''DownloadInfo
-deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''VersionInfo
-deriveJSON defaultOptions { fieldLabelModifier = removeLensFieldLabel } ''GHCupInfo
-deriveJSON defaultOptions { sumEncoding = ObjectWithSingleField } ''URLSource
-deriveJSON defaultOptions { sumEncoding = ObjectWithSingleField } ''Key
-deriveJSON defaultOptions { fieldLabelModifier = \str' -> maybe str' T.unpack . T.stripPrefix (T.pack "k-") . T.pack . kebab $ str' } ''UserKeyBindings
-deriveJSON defaultOptions { fieldLabelModifier = \str' -> maybe str' T.unpack . T.stripPrefix (T.pack "u-") . T.pack . kebab $ str' } ''UserSettings

lib/GHCup/Utils.hs

@@ -26,9 +26,6 @@ module GHCup.Utils
 where
 
 
-#if defined(IS_WINDOWS)
-import           GHCup.Download
-#endif
 import           GHCup.Errors
 import           GHCup.Types
 import           GHCup.Types.Optics
@@ -51,11 +48,6 @@ import           Control.Monad.Fail             ( MonadFail )
 #endif
 import           Control.Monad.Logger
 import           Control.Monad.Reader
-import           Control.Monad.Trans.Resource
-                                         hiding ( throwM )
-#if defined(IS_WINDOWS)
-import           Data.Bits
-#endif
 import           Data.ByteString                ( ByteString )
 import           Data.Either
 import           Data.Foldable
@@ -66,6 +58,7 @@ import           Data.Maybe
 import           Data.String.Interpolate
 import           Data.Text                      ( Text )
 import           Data.Versions
+import           Data.Word8
 import           GHC.IO.Exception
 import           Haskus.Utils.Variant.Excepts
 import           Optics
@@ -73,11 +66,7 @@ import           Safe
 import           System.Directory      hiding   ( findFiles )
 import           System.FilePath
 import           System.IO.Error
-#if defined(IS_WINDOWS)
+import           System.IO.Unsafe               ( unsafeInterleaveIO )
-import           System.Win32.Console
-import           System.Win32.File     hiding ( copyFile )
-import           System.Win32.Types
-#endif
 import           Text.Regex.Posix
 import           URI.ByteString
 
@@ -87,6 +76,7 @@ import qualified Codec.Archive.Tar             as Tar
 import qualified Codec.Compression.BZip        as BZip
 import qualified Codec.Compression.GZip        as GZip
 import qualified Codec.Compression.Lzma        as Lzma
+import qualified Data.ByteString               as B
 import qualified Data.ByteString.Lazy          as BL
 import qualified Data.Map.Strict               as Map
 import qualified Data.Text                     as T
@@ -131,7 +121,7 @@ rmMinorSymlinks tv@GHCTargetVersion{..} = do
     let f_xyz = f <> "-" <> T.unpack (prettyVer _tvVersion) <> exeExt
     let fullF = binDir </> f_xyz
     lift $ $(logDebug) [i|rm -f #{fullF}|]
-    liftIO $ hideError doesNotExistErrorType $ rmLink fullF
+    liftIO $ hideError doesNotExistErrorType $ removeFile fullF
 
 
 -- | Removes the set ghc version for the given target, if any.
@@ -151,11 +141,11 @@ rmPlain target = do
     forM_ files $ \f -> do
       let fullF = binDir </> f <> exeExt
       lift $ $(logDebug) [i|rm -f #{fullF}|]
-      liftIO $ hideError doesNotExistErrorType $ rmLink fullF
+      liftIO $ hideError doesNotExistErrorType $ removeFile fullF
     -- old ghcup
     let hdc_file = binDir </> "haddock-ghc" <> exeExt
     lift $ $(logDebug) [i|rm -f #{hdc_file}|]
-    liftIO $ hideError doesNotExistErrorType $ rmLink hdc_file
+    liftIO $ hideError doesNotExistErrorType $ removeFile hdc_file
 
 
 -- | Remove the major GHC symlink, e.g. ghc-8.6.
@@ -178,7 +168,7 @@ rmMajorSymlinks tv@GHCTargetVersion{..} = do
     let f_xy = f <> "-" <> T.unpack v' <> exeExt
     let fullF = binDir </> f_xy
     lift $ $(logDebug) [i|rm -f #{fullF}|]
-    liftIO $ hideError doesNotExistErrorType $ rmLink fullF
+    liftIO $ hideError doesNotExistErrorType $ removeFile fullF
 
 
 
@@ -215,27 +205,27 @@ ghcSet mtarget = do
   -- link destination is of the form ../ghc/<ver>/bin/ghc
   -- for old ghcup, it is ../ghc/<ver>/bin/ghc-<ver>
   liftIO $ handleIO' NoSuchThing (\_ -> pure Nothing) $ do
-    link <- liftIO $ getLinkTarget ghcBin
+    link <- liftIO $ getSymbolicLinkTarget ghcBin
     Just <$> ghcLinkVersion link
+
+ghcLinkVersion :: MonadThrow m => FilePath -> m GHCTargetVersion
+ghcLinkVersion (T.pack . dropSuffix exeExt -> t) = throwEither $ MP.parse parser "ghcLinkVersion" t
  where
-  ghcLinkVersion :: MonadThrow m => FilePath -> m GHCTargetVersion
+  parser =
-  ghcLinkVersion (T.pack . dropSuffix exeExt -> t) = throwEither $ MP.parse parser "ghcLinkVersion" t
+      (do
-   where
+         _    <- parseUntil1 ghcSubPath
-    parser =
+         _    <- ghcSubPath
-        (do
+         r    <- parseUntil1 pathSep
-           _    <- parseUntil1 ghcSubPath
+         rest <- MP.getInput
-           _    <- ghcSubPath
+         MP.setInput r
-           r    <- parseUntil1 pathSep
+         x <- ghcTargetVerP
-           rest <- MP.getInput
+         MP.setInput rest
-           MP.setInput r
+         pure x
-           x <- ghcTargetVerP
+       )
-           MP.setInput rest
+      <* pathSep
-           pure x
+      <* MP.takeRest
-         )
+      <* MP.eof
-        <* pathSep
+  ghcSubPath = pathSep <* MP.chunk "ghc" *> pathSep
-        <* MP.takeRest
-        <* MP.eof
-    ghcSubPath = pathSep <* MP.chunk "ghc" *> pathSep
 
 -- | Get all installed GHCs by reading ~/.ghcup/ghc/<dir>.
 -- If a dir cannot be parsed, returns left.
@@ -252,15 +242,23 @@ getInstalledGHCs = do
 getInstalledCabals :: (MonadLogger m, MonadReader AppState m, MonadIO m, MonadCatch m)
                    => m [Either FilePath Version]
 getInstalledCabals = do
+  cs <- cabalSet -- for legacy cabal
+  getInstalledCabals' cs
+
+
+getInstalledCabals' :: (MonadLogger m, MonadReader AppState m, MonadIO m, MonadCatch m)
+                   => Maybe Version
+                   -> m [Either FilePath Version]
+getInstalledCabals' cs = do
   AppState {dirs = Dirs {..}} <- ask
   bins   <- liftIO $ handleIO (\_ -> pure []) $ findFiles
     binDir
     (makeRegexOpts compExtended execBlank ([s|^cabal-.*$|] :: ByteString))
-  vs <- forM bins $ \f -> case version . T.pack <$> (stripSuffix exeExt =<< stripPrefix "cabal-" f) of
+  vs <- forM bins $ \f -> case fmap (version . T.pack . dropSuffix exeExt) . stripPrefix "cabal-" $ f of
     Just (Right r) -> pure $ Right r
     Just (Left  _) -> pure $ Left f
     Nothing        -> pure $ Left f
-  pure $ nub vs
+  pure $ maybe vs (\x -> nub $ Right x:vs) cs
 
 
 -- | Whether the given cabal version is installed.
@@ -275,27 +273,38 @@ cabalSet :: (MonadLogger m, MonadReader AppState m, MonadIO m, MonadThrow m, Mon
 cabalSet = do
   AppState {dirs = Dirs {..}} <- ask
   let cabalbin = binDir </> "cabal" <> exeExt
-
+  b        <- handleIO (\_ -> pure False) $ liftIO $ pathIsSymbolicLink cabalbin
-  handleIO' NoSuchThing (\_ -> pure Nothing) $ do
+  if
-    broken <- liftIO $ isBrokenSymlink cabalbin
+    | b -> do
-    if broken
+      handleIO' NoSuchThing (\_ -> pure Nothing) $ do
-      then pure Nothing
+        broken <- liftIO $ isBrokenSymlink cabalbin
-      else do
+        if broken
-        link <- liftIO
+          then pure Nothing
-          $ handleIO' InvalidArgument
+          else do
-            (\e -> pure $ Left (toException e))
+            link <- liftIO $ getSymbolicLinkTarget cabalbin
-          $ fmap Right $ getLinkTarget cabalbin
+            case linkVersion link of
-        case linkVersion =<< link of
+              Right v -> pure $ Just v
-          Right v -> pure $ Just v
+              Left err -> do
-          Left err -> do
+                $(logWarn) [i|Failed to parse cabal symlink target with: "#{err}". The symlink #{cabalbin} needs to point to valid cabal binary, such as 'cabal-3.4.0.0'.|]
-            $(logWarn) [i|Failed to parse cabal symlink target with: "#{err}". The symlink #{cabalbin} needs to point to valid cabal binary, such as 'cabal-3.4.0.0'.|]
+                pure Nothing
-            pure Nothing
+    | otherwise -> do -- legacy behavior
+      mc <- liftIO $ handleIO (\_ -> pure Nothing) $ fmap Just $ executeOut
+        cabalbin
+        ["--numeric-version"]
+        Nothing
+      fmap join $ forM mc $ \c -> if
+        | not (BL.null (_stdOut c)), _exitCode c == ExitSuccess -> do
+          let reportedVer = fst . B.spanEnd (== _lf) . BL.toStrict . _stdOut $ c
+          case version $ decUTF8Safe reportedVer of
+            Left  e -> throwM e
+            Right r -> pure $ Just r
+        | otherwise -> pure Nothing
  where
   -- We try to be extra permissive with link destination parsing,
   -- because of:
   --   https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/119
   linkVersion :: MonadThrow m => FilePath -> m Version
-  linkVersion = throwEither . MP.parse parser "linkVersion" . T.pack . dropSuffix exeExt
+  linkVersion = throwEither . MP.parse parser "" . T.pack . dropSuffix exeExt
 
   parser
     =   MP.try (stripAbsolutePath *> cabalParse)
@@ -329,7 +338,7 @@ getInstalledHLSs = do
     )
   forM bins $ \f ->
     case
-          version . T.pack <$> (stripSuffix exeExt =<< stripPrefix "haskell-language-server-wrapper-" f)
+          fmap (version . T.pack . dropSuffix exeExt) . stripPrefix "haskell-language-server-wrapper-" $ f
       of
         Just (Right r) -> pure $ Right r
         Just (Left  _) -> pure $ Left f
@@ -348,51 +357,33 @@ getInstalledStacks = do
                    ([s|^stack-.*$|] :: ByteString)
     )
   forM bins $ \f ->
-    case version . T.pack <$> (stripSuffix exeExt =<< stripPrefix "stack-" f) of
+    case
+          fmap (version . T.pack . dropSuffix exeExt) . stripPrefix "stack-" $ f
+      of
         Just (Right r) -> pure $ Right r
         Just (Left  _) -> pure $ Left f
         Nothing        -> pure $ Left f
 
 -- Return the currently set stack version, if any.
 -- TODO: there's a lot of code duplication here :>
-stackSet :: (MonadReader AppState m, MonadIO m, MonadThrow m, MonadCatch m, MonadLogger m) => m (Maybe Version)
+stackSet :: (MonadReader AppState m, MonadIO m, MonadThrow m, MonadCatch m) => m (Maybe Version)
 stackSet = do
   AppState {dirs = Dirs {..}} <- ask
   let stackBin = binDir </> "stack" <> exeExt
 
-  handleIO' NoSuchThing (\_ -> pure Nothing) $ do
+  liftIO $ handleIO' NoSuchThing (\_ -> pure Nothing) $ do
-    broken <- liftIO $ isBrokenSymlink stackBin
+    broken <- isBrokenSymlink stackBin
     if broken
       then pure Nothing
       else do
-        link <- liftIO
+        link <- liftIO $ getSymbolicLinkTarget stackBin
-          $ handleIO' InvalidArgument
+        Just <$> linkVersion link
-            (\e -> pure $ Left (toException e))
-          $ fmap Right $ getLinkTarget stackBin
-        case linkVersion =<< link of
-          Right v -> pure $ Just v
-          Left err -> do
-            $(logWarn) [i|Failed to parse stack symlink target with: "#{err}". The symlink #{stackBin} needs to point to valid stack binary, such as 'stack-2.7.1'.|]
-            pure Nothing
  where
   linkVersion :: MonadThrow m => FilePath -> m Version
   linkVersion = throwEither . MP.parse parser "" . T.pack . dropSuffix exeExt
    where
-    parser
+    parser =
-      =   MP.try (stripAbsolutePath *> cabalParse)
+      MP.chunk "stack-" *> version'
-      <|> MP.try (stripRelativePath *> cabalParse)
-      <|> cabalParse
-    -- parses the version of "stack-2.7.1" -> "2.7.1"
-    cabalParse = MP.chunk "stack-" *> version'
-    -- parses any path component ending with path separator,
-    -- e.g. "foo/"
-    stripPathComponet = parseUntil1 pathSep *> pathSep
-    -- parses an absolute path up until the last path separator,
-    -- e.g. "/bar/baz/foo" -> "/bar/baz/", leaving "foo"
-    stripAbsolutePath = pathSep *> MP.many (MP.try stripPathComponet)
-    -- parses a relative path up until the last path separator,
-    -- e.g. "bar/baz/foo" -> "bar/baz/", leaving "foo"
-    stripRelativePath = MP.many (MP.try stripPathComponet)
 
 -- | Whether the given Stack version is installed.
 stackInstalled :: (MonadIO m, MonadReader AppState m, MonadCatch m) => Version -> m Bool
@@ -419,27 +410,14 @@ hlsSet = do
     if broken
       then pure Nothing
       else do
-        link <- liftIO $ getLinkTarget hlsBin
+        link <- liftIO $ getSymbolicLinkTarget hlsBin
         Just <$> linkVersion link
  where
   linkVersion :: MonadThrow m => FilePath -> m Version
   linkVersion = throwEither . MP.parse parser "" . T.pack . dropSuffix exeExt
    where
-    parser
+    parser =
-      =   MP.try (stripAbsolutePath *> cabalParse)
+      MP.chunk "haskell-language-server-wrapper-" *> version'
-      <|> MP.try (stripRelativePath *> cabalParse)
-      <|> cabalParse
-    -- parses the version of "haskell-language-server-wrapper-1.1.0" -> "1.1.0"
-    cabalParse = MP.chunk "haskell-language-server-wrapper-" *> version'
-    -- parses any path component ending with path separator,
-    -- e.g. "foo/"
-    stripPathComponet = parseUntil1 pathSep *> pathSep
-    -- parses an absolute path up until the last path separator,
-    -- e.g. "/bar/baz/foo" -> "/bar/baz/", leaving "foo"
-    stripAbsolutePath = pathSep *> MP.many (MP.try stripPathComponet)
-    -- parses a relative path up until the last path separator,
-    -- e.g. "bar/baz/foo" -> "bar/baz/", leaving "foo"
-    stripRelativePath = MP.many (MP.try stripPathComponet)
 
 
 -- | Return the GHC versions the currently selected HLS supports.
@@ -522,7 +500,7 @@ hlsSymlinks = do
     )
   filterM
     ( liftIO
-    . pathIsLink
+    . pathIsSymbolicLink
     . (binDir </>)
     )
     oldSyms
@@ -748,6 +726,11 @@ getDownloader = ask <&> downloader . settings
     -------------
 
 
+urlBaseName :: ByteString  -- ^ the url path (without scheme and host)
+            -> ByteString
+urlBaseName = snd . B.breakEnd (== _slash) . urlDecode False
+
+
 -- | Get tool files from @~\/.ghcup\/bin\/ghc\/\<ver\>\/bin\/\*@
 -- while ignoring @*-\<ver\>@ symlinks and accounting for cross triple prefix.
 --
@@ -827,20 +810,19 @@ make args workdir = do
   let mymake = if has_gmake then "gmake" else "make"
   execLogged mymake args workdir "ghc-make" Nothing
 
-makeOut :: (MonadReader AppState m, MonadIO m)
+makeOut :: [String]
-        => [String]
         -> Maybe FilePath
-        -> m CapturedProcess
+        -> IO CapturedProcess
 makeOut args workdir = do
   spaths    <- liftIO getSearchPath
   has_gmake <- isJust <$> liftIO (searchPath spaths "gmake")
   let mymake = if has_gmake then "gmake" else "make"
-  executeOut mymake args workdir
+  liftIO $ executeOut mymake args workdir
 
 
 -- | Try to apply patches in order. Fails with 'PatchFailed'
 -- on first failure.
-applyPatches :: (MonadReader AppState m, MonadLogger m, MonadIO m)
+applyPatches :: (MonadLogger m, MonadIO m)
              => FilePath   -- ^ dir containing patches
              -> FilePath   -- ^ dir to apply patches in
              -> Excepts '[PatchFailed] m ()
@@ -849,7 +831,7 @@ applyPatches pdir ddir = do
   forM_ (sort patches) $ \patch' -> do
     lift $ $(logInfo) [i|Applying patch #{patch'}|]
     fmap (either (const Nothing) Just)
-         (exec
+         (liftIO $ exec
            "patch"
            ["-p1", "-i", patch']
            (Just ddir)
@@ -858,10 +840,7 @@ applyPatches pdir ddir = do
 
 
 -- | https://gitlab.haskell.org/ghc/ghc/-/issues/17353
-darwinNotarization :: (MonadReader AppState m, MonadIO m)
+darwinNotarization :: Platform -> FilePath -> IO (Either ProcessError ())
-                   => Platform
-                   -> FilePath
-                   -> m (Either ProcessError ())
 darwinNotarization Darwin path = exec
   "xattr"
   ["-r", "-d", "com.apple.quarantine", path]
@@ -890,11 +869,11 @@ runBuildAction bdir instdir action = do
   AppState { settings = Settings {..} } <- lift ask
   let exAction = do
         forM_ instdir $ \dir ->
-          liftIO $ hideError doesNotExistErrorType $ rmPath dir
+          liftIO $ hideError doesNotExistErrorType $ removeDirectoryRecursive dir
         when (keepDirs == Never)
           $ liftIO
           $ hideError doesNotExistErrorType
-          $ rmPath bdir
+          $ removeDirectoryRecursive bdir
   v <-
     flip onException exAction
     $ catchAllE
@@ -903,10 +882,90 @@ runBuildAction bdir instdir action = do
           throwE (BuildFailed bdir es)
         ) action
 
-  when (keepDirs == Never || keepDirs == Errors) $ liftIO $ rmPath bdir
+  when (keepDirs == Never || keepDirs == Errors) $ liftIO $ removeDirectoryRecursive
+    bdir
   pure v
 
 
+-- | More permissive version of 'createDirRecursive'. This doesn't
+-- error when the destination is a symlink to a directory.
+createDirRecursive' :: FilePath -> IO ()
+createDirRecursive' p =
+  handleIO (\e -> if isAlreadyExistsError e then isSymlinkDir e else throwIO e)
+    . createDirectoryIfMissing True
+    $ p
+
+ where
+  isSymlinkDir e = do
+    ft <- pathIsSymbolicLink p
+    case ft of
+      True -> do
+        rp <- canonicalizePath p
+        rft <- doesDirectoryExist rp
+        case rft of
+          True -> pure ()
+          _ -> throwIO e
+      _ -> throwIO e
+
+
+-- | Recursively copy the contents of one directory to another path.
+--
+-- This is a rip-off of Cabal library.
+copyDirectoryRecursive :: FilePath -> FilePath -> IO ()
+copyDirectoryRecursive srcDir destDir = do
+  srcFiles <- getDirectoryContentsRecursive srcDir
+  copyFilesWith copyFile destDir [ (srcDir, f)
+                                   | f <- srcFiles ]
+  where
+    -- | Common implementation of 'copyFiles', 'installOrdinaryFiles',
+    -- 'installExecutableFiles' and 'installMaybeExecutableFiles'.
+    copyFilesWith :: (FilePath -> FilePath -> IO ())
+                  -> FilePath -> [(FilePath, FilePath)] -> IO ()
+    copyFilesWith doCopy targetDir srcFiles = do
+
+      -- Create parent directories for everything
+      let dirs = map (targetDir </>) . nub . map (takeDirectory . snd) $ srcFiles
+      traverse_ (createDirectoryIfMissing True) dirs
+
+      -- Copy all the files
+      sequence_ [ let src  = srcBase   </> srcFile
+                      dest = targetDir </> srcFile
+                   in doCopy src dest
+                | (srcBase, srcFile) <- srcFiles ]
+
+    -- | List all the files in a directory and all subdirectories.
+    --
+    -- The order places files in sub-directories after all the files in their
+    -- parent directories. The list is generated lazily so is not well defined if
+    -- the source directory structure changes before the list is used.
+    --
+    getDirectoryContentsRecursive :: FilePath -> IO [FilePath]
+    getDirectoryContentsRecursive topdir = recurseDirectories [""]
+      where
+        recurseDirectories :: [FilePath] -> IO [FilePath]
+        recurseDirectories []         = return []
+        recurseDirectories (dir:dirs) = unsafeInterleaveIO $ do
+          (files, dirs') <- collect [] [] =<< getDirectoryContents (topdir </> dir)
+          files' <- recurseDirectories (dirs' ++ dirs)
+          return (files ++ files')
+
+          where
+            collect files dirs' []              = return (reverse files
+                                                         ,reverse dirs')
+            collect files dirs' (entry:entries) | ignore entry
+                                                = collect files dirs' entries
+            collect files dirs' (entry:entries) = do
+              let dirEntry = dir </> entry
+              isDirectory <- doesDirectoryExist (topdir </> dirEntry)
+              if isDirectory
+                then collect files (dirEntry:dirs') entries
+                else collect (dirEntry:files) dirs' entries
+
+            ignore ['.']      = True
+            ignore ['.', '.'] = True
+            ignore _          = False
+
+
 getVersionInfo :: Version
                -> Tool
                -> GHCupDownloads
@@ -920,6 +979,15 @@ getVersionInfo v' tool =
     )
 
 
+-- Gathering monoidal values
+traverseFold :: (Foldable t, Applicative m, Monoid b) => (a -> m b) -> t a -> m b
+traverseFold f = foldl (\mb a -> (<>) <$> mb <*> f a) (pure mempty)
+
+-- | Gathering monoidal values
+forFold :: (Foldable t, Applicative m, Monoid b) => t a -> (a -> m b) -> m b
+forFold = \t -> (`traverseFold` t)
+
+
 -- | The file extension for executables.
 exeExt :: String
 #if defined(IS_WINDOWS)
@@ -928,168 +996,3 @@ exeExt = ".exe"
 exeExt = ""
 #endif
 
--- | The file extension for executables.
-exeExt' :: ByteString
-#if defined(IS_WINDOWS)
-exeExt' = ".exe"
-#else
-exeExt' = ""
-#endif
-
-
--- | Enables ANSI support on windows, does nothing on unix.
---
--- Returns 'Left str' on errors and 'Right bool' on success, where
--- 'bool' markes whether ansi support was already enabled.
---
--- This function never crashes.
---
--- Rip-off of https://docs.rs/ansi_term/0.12.1/x86_64-pc-windows-msvc/src/ansi_term/windows.rs.html#10-61
-enableAnsiSupport :: IO (Either String Bool)
-#if defined(IS_WINDOWS)
-enableAnsiSupport = handleIO (pure . Left . displayException) $ do
-  -- ref: https://docs.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew
-  -- Using `CreateFileW("CONOUT$", ...)` to retrieve the console handle works correctly even if STDOUT and/or STDERR are redirected
-  h <- createFile "CONOUT$" (gENERIC_WRITE .|. gENERIC_READ)
-    fILE_SHARE_WRITE Nothing oPEN_EXISTING 0 Nothing
-  when (h == iNVALID_HANDLE_VALUE ) $ fail "invalid handle value"
-
-  -- ref: https://docs.microsoft.com/en-us/windows/console/getconsolemode
-  m <- getConsoleMode h
-
-  -- VT processing not already enabled?
-  if ((m .&. eNABLE_VIRTUAL_TERMINAL_PROCESSING) == 0)
-  -- https://docs.microsoft.com/en-us/windows/console/setconsolemode
-  then setConsoleMode h (m .|. eNABLE_VIRTUAL_TERMINAL_PROCESSING)
-    >> pure (Right False)
-  else pure (Right True)
-#else
-enableAnsiSupport = pure (Right True)
-#endif
-
-
--- | On unix, we can use symlinks, so we just get the
--- symbolic link target.
---
--- On windows, we have to emulate symlinks via shims,
--- see 'createLink'.
-getLinkTarget :: FilePath -> IO FilePath
-getLinkTarget fp = do
-#if defined(IS_WINDOWS)
-  content <- readFile (dropExtension fp <.> "shim")
-  [p] <- pure . filter ("path = " `isPrefixOf`) . lines $ content
-  pure $ stripNewline $ dropPrefix "path = " p
-#else
-  getSymbolicLinkTarget fp
-#endif
-
-
--- | Checks whether the path is a link.
-pathIsLink :: FilePath -> IO Bool
-#if defined(IS_WINDOWS)
-pathIsLink fp = doesPathExist (dropExtension fp <.> "shim")
-#else
-pathIsLink = pathIsSymbolicLink
-#endif
-
-
-rmLink :: FilePath -> IO ()
-#if defined(IS_WINDOWS)
-rmLink fp = do
-  hideError doesNotExistErrorType . liftIO . rmFile $ fp
-  hideError doesNotExistErrorType . liftIO . rmFile $ (dropExtension fp <.> "shim")
-#else
-rmLink = hideError doesNotExistErrorType . liftIO . rmFile
-#endif
-
-
--- | Creates a symbolic link on unix and a fake symlink on windows for
--- executables, which:
---     1. is a shim exe
---     2. has a corresponding .shim file in the same directory that
---        contains the target
---
--- This overwrites previously existing files.
---
--- On windows, this requires that 'ensureGlobalTools' was run beforehand.
-createLink :: ( MonadMask m
-              , MonadThrow m
-              , MonadLogger m
-              , MonadIO m
-              , MonadReader AppState m
-              , MonadUnliftIO m
-              , MonadFail m
-              )
-           => FilePath      -- ^ path to the target executable
-           -> FilePath      -- ^ path to be created
-           -> m ()
-createLink link exe = do
-#if defined(IS_WINDOWS)
-  AppState { dirs } <- ask
-  let shimGen = cacheDir dirs </> "gs.exe"
-
-  let shim = dropExtension exe <.> "shim"
-      -- For hardlinks, link needs to be absolute.
-      -- If link is relative, it's relative to the target exe.
-      -- Note that (</>) drops lhs when rhs is absolute.
-      fullLink = takeDirectory exe </> link
-      shimContents = "path = " <> fullLink
-
-  $(logDebug) [i|rm -f #{exe}|]
-  liftIO $ rmLink exe
-
-  $(logDebug) [i|ln -s #{fullLink} #{exe}|]
-  liftIO $ copyFile shimGen exe
-  liftIO $ writeFile shim shimContents
-#else
-  $(logDebug) [i|rm -f #{exe}|]
-  liftIO $ hideError doesNotExistErrorType $ rmFile exe
-
-  $(logDebug) [i|ln -s #{link} #{exe}|]
-  liftIO $ createFileLink link exe
-#endif
-
-
-ensureGlobalTools :: ( MonadMask m
-                     , MonadThrow m
-                     , MonadLogger m
-                     , MonadIO m
-                     , MonadReader AppState m
-                     , MonadUnliftIO m
-                     , MonadFail m
-                     )
-                  => Excepts '[DigestError , DownloadFailed, NoDownload] m ()
-ensureGlobalTools = do
-#if defined(IS_WINDOWS)
-  AppState { ghcupInfo = GHCupInfo _ _ gTools, settings, dirs } <- lift ask
-  shimDownload <- liftE $ lE @_ @'[NoDownload]
-    $ maybe (Left NoDownload) Right $ Map.lookup ShimGen gTools
-  let dl = downloadCached' settings dirs shimDownload (Just "gs.exe")
-  void $ (\(DigestError _ _) -> do
-      lift $ $(logWarn) [i|Digest doesn't match, redownloading gs.exe...|]
-      lift $ $(logDebug) [i|rm -f #{shimDownload}|]
-      liftIO $ hideError doesNotExistErrorType $ rmFile (cacheDir dirs </> "gs.exe")
-      liftE @'[DigestError , DownloadFailed] $ dl
-    ) `catchE` (liftE @'[DigestError , DownloadFailed] dl)
-  pure ()
-#else
-  pure ()
-#endif
-
-
--- | Ensure ghcup directory structure exists.
-ensureDirectories :: Dirs -> IO ()
-ensureDirectories dirs = do
-  let Dirs
-        { baseDir
-        , binDir
-        , cacheDir
-        , logsDir
-        , confDir
-        } = dirs
-  createDirRecursive' baseDir
-  createDirRecursive' binDir
-  createDirRecursive' cacheDir
-  createDirRecursive' logsDir
-  createDirRecursive' confDir
-  pure ()

lib/GHCup/Utils.hs-boot

@@ -1,4 +0,0 @@
-module GHCup.Utils where
-
-getLinkTarget :: FilePath -> IO FilePath
-pathIsLink :: FilePath -> IO Bool

lib/GHCup/Utils/Dirs.hs

@@ -17,7 +17,6 @@ Portability : portable
 -}
 module GHCup.Utils.Dirs
   ( getDirs
-  , ghcupBaseDir
   , ghcupConfigFile
   , ghcupCacheDir
   , ghcupGHCBaseDir
@@ -26,10 +25,6 @@ module GHCup.Utils.Dirs
   , parseGHCupGHCDir
   , relativeSymlink
   , withGHCupTmpDir
-  , getConfigFilePath
-#if !defined(IS_WINDOWS)
-  , useXDG
-#endif
   )
 where
 
@@ -52,9 +47,7 @@ import           Data.String.Interpolate
 import           GHC.IO.Exception               ( IOErrorType(NoSuchThing) )
 import           Haskus.Utils.Variant.Excepts
 import           Optics
-#if !defined(IS_WINDOWS)
 import           System.Directory
-#endif
 import           System.DiskSpace                                                
 import           System.Environment
 import           System.FilePath
@@ -79,10 +72,6 @@ import Control.Concurrent (threadDelay)
 -- then uses 'XDG_DATA_HOME/ghcup' as per xdg spec.
 ghcupBaseDir :: IO FilePath
 ghcupBaseDir = do
-#if defined(IS_WINDOWS)
-  bdir <- fromMaybe "C:\\" <$> lookupEnv "GHCUP_INSTALL_BASE_PREFIX"
-  pure (bdir </> "ghcup")
-#else
   xdg <- useXDG
   if xdg
     then do
@@ -97,7 +86,6 @@ ghcupBaseDir = do
         Just r  -> pure r
         Nothing -> liftIO getHomeDirectory
       pure (bdir </> ".ghcup")
-#endif
 
 
 -- | ~/.ghcup by default
@@ -106,9 +94,6 @@ ghcupBaseDir = do
 -- then uses 'XDG_CONFIG_HOME/ghcup' as per xdg spec.
 ghcupConfigDir :: IO FilePath
 ghcupConfigDir = do
-#if defined(IS_WINDOWS)
-  ghcupBaseDir
-#else
   xdg <- useXDG
   if xdg
     then do
@@ -123,7 +108,6 @@ ghcupConfigDir = do
         Just r  -> pure r
         Nothing -> liftIO getHomeDirectory
       pure (bdir </> ".ghcup")
-#endif
 
 
 -- | If 'GHCUP_USE_XDG_DIRS' is set (to anything),
@@ -131,9 +115,6 @@ ghcupConfigDir = do
 -- (which, sadly is not strictly xdg spec).
 ghcupBinDir :: IO FilePath
 ghcupBinDir = do
-#if defined(IS_WINDOWS)
-  ghcupBaseDir <&> (</> "bin")
-#else
   xdg <- useXDG
   if xdg
     then do
@@ -143,7 +124,6 @@ ghcupBinDir = do
           home <- liftIO getHomeDirectory
           pure (home </> ".local" </> "bin")
     else ghcupBaseDir <&> (</> "bin")
-#endif
 
 
 -- | Defaults to '~/.ghcup/cache'.
@@ -152,9 +132,6 @@ ghcupBinDir = do
 -- then uses 'XDG_CACHE_HOME/ghcup' as per xdg spec.
 ghcupCacheDir :: IO FilePath
 ghcupCacheDir = do
-#if defined(IS_WINDOWS)
-  ghcupBaseDir <&> (</> "cache")
-#else
   xdg <- useXDG
   if xdg
     then do
@@ -165,7 +142,6 @@ ghcupCacheDir = do
           pure (home </> ".cache")
       pure (bdir </> "ghcup")
     else ghcupBaseDir <&> (</> "cache")
-#endif
 
 
 -- | Defaults to '~/.ghcup/logs'.
@@ -174,9 +150,6 @@ ghcupCacheDir = do
 -- then uses 'XDG_CACHE_HOME/ghcup/logs' as per xdg spec.
 ghcupLogsDir :: IO FilePath
 ghcupLogsDir = do
-#if defined(IS_WINDOWS)
-  ghcupBaseDir <&> (</> "logs")
-#else
   xdg <- useXDG
   if xdg
     then do
@@ -187,7 +160,6 @@ ghcupLogsDir = do
           pure (home </> ".cache")
       pure (bdir </> "ghcup" </> "logs")
     else ghcupBaseDir <&> (</> "logs")
-#endif
 
 
 getDirs :: IO Dirs
@@ -205,16 +177,13 @@ getDirs = do
     --[ GHCup files ]--
     -------------------
 
-getConfigFilePath :: (MonadIO m) => m FilePath
-getConfigFilePath = do
-  confDir <- liftIO ghcupConfigDir
-  pure $ confDir </> "config.yaml"
 
 ghcupConfigFile :: (MonadIO m)
                 => Excepts '[JSONError] m UserSettings
 ghcupConfigFile = do
-  filepath <- getConfigFilePath
+  confDir <- liftIO ghcupConfigDir
-  contents <- liftIO $ handleIO' NoSuchThing (\_ -> pure Nothing) $ Just <$> BS.readFile filepath
+  let file = confDir </> "config.yaml"
+  contents <- liftIO $ handleIO' NoSuchThing (\_ -> pure Nothing) $ Just <$> BS.readFile file
   case contents of
       Nothing -> pure defaultUserSettings
       Just contents' -> lE' JSONDecodeError . first show . Y.decodeEither' $ contents'
@@ -273,7 +242,7 @@ mkGhcupTmpDir = do
 
 
 withGHCupTmpDir :: (MonadUnliftIO m, MonadLogger m, MonadCatch m, MonadResource m, MonadThrow m, MonadIO m) => m FilePath
-withGHCupTmpDir = snd <$> withRunInIO (\run -> run $ allocate (run mkGhcupTmpDir) rmPath)
+withGHCupTmpDir = snd <$> withRunInIO (\run -> run $ allocate (run mkGhcupTmpDir) removeDirectoryRecursive)
 
 
 
@@ -283,10 +252,8 @@ withGHCupTmpDir = snd <$> withRunInIO (\run -> run $ allocate (run mkGhcupTmpDir
     --------------
 
 
-#if !defined(IS_WINDOWS)
 useXDG :: IO Bool
 useXDG = isJust <$> lookupEnv "GHCUP_USE_XDG_DIRS"
-#endif
 
 
 relativeSymlink :: FilePath  -- ^ the path in which to create the symlink

lib/GHCup/Utils/File/Common.hs

@@ -8,6 +8,7 @@ module GHCup.Utils.File.Common where
 
 import           GHCup.Utils.Prelude
 
+import           Control.Exception
 import           Control.Monad.Extra
 import           Control.Monad.Reader
 import           Data.Maybe
@@ -16,6 +17,7 @@ import           GHC.IO.Exception
 import           Optics                  hiding ((<|), (|>))
 import           System.Directory
 import           System.FilePath
+import           System.IO.Error
 import           Text.PrettyPrint.HughesPJClass hiding ( (<>) )
 import           Text.Regex.Posix
 
@@ -104,3 +106,17 @@ findFiles path regex = do
   contents <- listDirectory path
   pure $ filter (match regex) contents
 
+
+isBrokenSymlink :: FilePath -> IO Bool
+isBrokenSymlink fp = do
+  try (pathIsSymbolicLink fp) >>= \case
+    Right True -> do
+      let symDir = takeDirectory fp
+      tfp <- getSymbolicLinkTarget fp
+      not <$> doesPathExist
+        -- this drops 'symDir' if 'tfp' is absolute
+        (symDir </> tfp)
+    Right b -> pure b
+    Left e | isDoesNotExistError e -> pure False
+           | otherwise -> throwIO e
+

lib/GHCup/Utils/File/Posix.hs

@@ -42,7 +42,6 @@ import           System.Console.Pretty   hiding ( Pretty )
 import           System.Console.Regions
 import           System.IO.Error
 import           System.FilePath
-import           System.Directory
 import           System.Posix.Directory
 import           System.Posix.Files
 import           System.Posix.IO
@@ -64,12 +63,11 @@ import qualified "unix-bytestring" System.Posix.IO.ByteString
 
 -- | Execute the given command and collect the stdout, stderr and the exit code.
 -- The command is run in a subprocess.
-executeOut :: MonadIO m
+executeOut :: FilePath          -- ^ command as filename, e.g. 'ls'
-           => FilePath          -- ^ command as filename, e.g. 'ls'
            -> [String]          -- ^ arguments to the command
            -> Maybe FilePath    -- ^ chdir to this path
-           -> m CapturedProcess
+           -> IO CapturedProcess
-executeOut path args chdir = liftIO $ captureOutStreams $ do
+executeOut path args chdir = captureOutStreams $ do
   maybe (pure ()) changeWorkingDirectory chdir
   SPP.executeFile path True args Nothing
 
@@ -318,13 +316,12 @@ createRegularFileFd fm dest =
 
 
 -- | Thin wrapper around `executeFile`.
-exec :: MonadIO m
+exec :: String           -- ^ thing to execute
-     => String           -- ^ thing to execute
      -> [String]         -- ^ args for the thing
      -> Maybe FilePath   -- ^ optionally chdir into this
      -> Maybe [(String, String)] -- ^ optional environment
-     -> m (Either ProcessError ())
+     -> IO (Either ProcessError ())
-exec exe args chdir env = liftIO $ do
+exec exe args chdir env = do
   pid <- SPP.forkProcess $ do
     maybe (pure ()) changeWorkingDirectory chdir
     SPP.executeFile exe (not ("./" `isPrefixOf` exe)) args env
@@ -369,18 +366,3 @@ newFilePerms =
     `unionFileModes` groupReadMode
     `unionFileModes` otherWriteMode
     `unionFileModes` otherReadMode
-
-
--- | Checks whether the binary is a broken link.
-isBrokenSymlink :: FilePath -> IO Bool
-isBrokenSymlink fp = do
-  try (pathIsSymbolicLink fp) >>= \case
-    Right True -> do
-      let symDir = takeDirectory fp
-      tfp <- getSymbolicLinkTarget fp
-      not <$> doesPathExist
-        -- this drops 'symDir' if 'tfp' is absolute
-        (symDir </> tfp)
-    Right b -> pure b
-    Left e | isDoesNotExistError e -> pure False
-           | otherwise -> throwIO e

lib/GHCup/Utils/File/Windows.hs

@@ -15,8 +15,6 @@ Some of these functions use sophisticated logging.
 -}
 module GHCup.Utils.File.Windows where
 
-import {-# SOURCE #-} GHCup.Utils ( getLinkTarget, pathIsLink )
-import           GHCup.Utils.Dirs
 import           GHCup.Utils.File.Common
 import           GHCup.Types
 
@@ -25,12 +23,10 @@ import           Control.DeepSeq
 import           Control.Exception.Safe
 import           Control.Monad
 import           Control.Monad.Reader
-import           Data.List
 import           Foreign.C.Error
 import           GHC.IO.Exception
 import           GHC.IO.Handle
 import           System.Directory
-import           System.Environment
 import           System.FilePath
 import           System.IO
 import           System.Process
@@ -38,7 +34,6 @@ import           System.Process
 import qualified Control.Exception             as EX
 import qualified Data.ByteString               as BS
 import qualified Data.ByteString.Lazy          as BL
-import qualified Data.Map.Strict               as Map
 
 
 
@@ -68,7 +63,7 @@ readCreateProcessWithExitCodeBS cp input = do
                     std_out = CreatePipe,
                     std_err = CreatePipe
                   }
-    withCreateProcess_ "readCreateProcessWithExitCodeBS" cp_opts $
+    withCreateProcess_ "readCreateProcessWithExitCode" cp_opts $
       \mb_inh mb_outh mb_errh ph ->
         case (mb_inh, mb_outh, mb_errh) of
           (Just inh, Just outh, Just errh) -> do
@@ -135,14 +130,12 @@ withForkWait async' body = do
 
 -- | Execute the given command and collect the stdout, stderr and the exit code.
 -- The command is run in a subprocess.
-executeOut :: MonadIO m
+executeOut :: FilePath          -- ^ command as filename, e.g. 'ls'
-           => FilePath          -- ^ command as filename, e.g. 'ls'
            -> [String]          -- ^ arguments to the command
            -> Maybe FilePath    -- ^ chdir to this path
-           -> m CapturedProcess
+           -> IO CapturedProcess
 executeOut path args chdir = do
-  cp <- createProcessWithMingwPath ((proc path args){ cwd = chdir })
+  (exit, out, err) <- readCreateProcessWithExitCodeBS (proc path args){ cwd = chdir } ""
-  (exit, out, err) <- liftIO $ readCreateProcessWithExitCodeBS cp ""
   pure $ CapturedProcess exit out err
 
 
@@ -157,16 +150,15 @@ execLogged exe args chdir lfile env = do
   AppState { dirs = Dirs {..} } <- ask
   let stdoutLogfile = logsDir </> lfile <> ".stdout.log"
       stderrLogfile = logsDir </> lfile <> ".stderr.log"
-  cp <- createProcessWithMingwPath ((proc exe args)
-    { cwd = chdir
-    , env = env
-    , std_in = CreatePipe
-    , std_out = CreatePipe
-    , std_err = CreatePipe
-    })
   fmap (toProcessError exe args)
     $ liftIO
-    $ withCreateProcess cp
+    $ withCreateProcess
+        (proc exe args){ cwd = chdir
+                       , env = env
+                       , std_in = CreatePipe
+                       , std_out = CreatePipe
+                       , std_err = CreatePipe
+        }
     $ \_ mout merr ph ->
         case (mout, merr) of
           (Just cStdout, Just cStderr) -> do
@@ -192,15 +184,15 @@ execLogged exe args chdir lfile env = do
         
 
 -- | Thin wrapper around `executeFile`.
-exec :: MonadIO m
+exec :: FilePath       -- ^ thing to execute
-     => FilePath       -- ^ thing to execute
      -> [FilePath]     -- ^ args for the thing
      -> Maybe FilePath   -- ^ optionally chdir into this
      -> Maybe [(String, String)] -- ^ optional environment
-     -> m (Either ProcessError ())
+     -> IO (Either ProcessError ())
 exec exe args chdir env = do
-  cp <- createProcessWithMingwPath ((proc exe args) { cwd = chdir, env = env })
+  exit_code <- withCreateProcess
-  exit_code <- liftIO $ withCreateProcess cp $ \_ _ _ p -> waitForProcess p
+                 (proc exe args) { cwd = chdir, env = env } $ \_ _ _ p ->
+                 waitForProcess p
   pure $ toProcessError exe args exit_code
 
 
@@ -208,40 +200,3 @@ chmod_755 :: MonadIO m => FilePath -> m ()
 chmod_755 fp =
   let perm = setOwnerWritable True emptyPermissions
   in liftIO $ setPermissions fp perm
-
-
-createProcessWithMingwPath :: MonadIO m
-                          => CreateProcess
-                          -> m CreateProcess
-createProcessWithMingwPath cp = do
-  msys2Dir <- liftIO ghcupMsys2Dir
-  cEnv <- Map.fromList <$> maybe (liftIO getEnvironment) pure (env cp)
-  let mingWPaths = [msys2Dir </> "usr" </> "bin"
-                   ,msys2Dir </> "mingw64" </> "bin"]
-      paths = ["PATH", "Path"]
-      curPaths = (\x -> maybe [] splitSearchPath (Map.lookup x cEnv)) =<< paths
-      newPath = intercalate [searchPathSeparator] (mingWPaths ++ curPaths)
-      envWithoutPath = foldr (\x y -> Map.delete x y) cEnv paths
-      envWithNewPath = Map.insert "Path" newPath envWithoutPath
-  liftIO $ setEnv "Path" newPath
-  pure $ cp { env = Just $ Map.toList envWithNewPath }
-
-ghcupMsys2Dir :: IO FilePath
-ghcupMsys2Dir =
-  lookupEnv "GHCUP_MSYS2" >>= \case
-    Just fp -> pure fp
-    Nothing -> do
-      baseDir <- liftIO ghcupBaseDir
-      pure (baseDir </> "msys64")
-
--- | Checks whether the binary is a broken link.
-isBrokenSymlink :: FilePath -> IO Bool
-isBrokenSymlink fp = do
-  b <- pathIsLink fp
-  if b
-  then do
-    tfp <- getLinkTarget fp
-    not <$> doesPathExist
-      -- this drops 'symDir' if 'tfp' is absolute
-      (takeDirectory fp </> tfp)
-  else pure False

lib/GHCup/Utils/Logger.hs

@@ -14,15 +14,17 @@ Here we define our main logger.
 -}
 module GHCup.Utils.Logger where
 
+import           GHCup.Types
 import           GHCup.Utils.File
 import           GHCup.Utils.String.QQ
 
 import           Control.Monad
 import           Control.Monad.IO.Class
+import           Control.Monad.Reader
 import           Control.Monad.Logger
-import           Data.Char               ( ord )
 import           Prelude                 hiding ( appendFile )
 import           System.Console.Pretty
+import           System.Directory        hiding ( findFiles )
 import           System.FilePath
 import           System.IO.Error
 import           Text.Regex.Posix
@@ -44,33 +46,20 @@ myLoggerT LoggerConfig {..} loggingt = runLoggingT loggingt mylogger
   mylogger :: Loc -> LogSource -> LogLevel -> LogStr -> IO ()
   mylogger _ _ level str' = do
     -- color output
-    let style' = case level of
-          LevelDebug   -> style Bold . color Blue
-          LevelInfo    -> style Bold . color Green
-          LevelWarn    -> style Bold . color Yellow
-          LevelError   -> style Bold . color Red
-          LevelOther _ -> id
     let l = case level of
-          LevelDebug   -> toLogStr (style' "[ Debug ]")
+          LevelDebug   -> toLogStr (style Bold $ color Blue "[ Debug ]")
-          LevelInfo    -> toLogStr (style' "[ Info  ]")
+          LevelInfo    -> toLogStr (style Bold $ color Green "[ Info  ]")
-          LevelWarn    -> toLogStr (style' "[ Warn  ]")
+          LevelWarn    -> toLogStr (style Bold $ color Yellow "[ Warn  ]")
-          LevelError   -> toLogStr (style' "[ Error ]")
+          LevelError   -> toLogStr (style Bold $ color Red "[ Error ]")
           LevelOther t -> toLogStr "[ " <> toLogStr t <> toLogStr " ]"
-    let strs = fmap toLogStr . B.split (fromIntegral $ ord '\n') . fromLogStr $ str'
+    let out = fromLogStr (l <> toLogStr " " <> str' <> toLogStr "\n")
-    let out = case strs of
-                [] -> B.empty
-                (x:xs) -> fromLogStr
-                  . foldr (\a b -> a <> toLogStr "\n" <> b) mempty
-                  . ((l <> toLogStr " " <> x) :)
-                  . fmap (\line' -> toLogStr (style' "[ ...   ] ") <> line' )
-                  $ xs
 
     when (lcPrintDebug || (not lcPrintDebug && (level /= LevelDebug)))
       $ colorOutter out
 
     -- raw output
     let lr = case level of
-          LevelDebug   -> toLogStr "Debug:"
+          LevelDebug   -> toLogStr "Debug: "
           LevelInfo    -> toLogStr "Info:"
           LevelWarn    -> toLogStr "Warn:"
           LevelError   -> toLogStr "Error:"
@@ -79,17 +68,19 @@ myLoggerT LoggerConfig {..} loggingt = runLoggingT loggingt mylogger
     rawOutter outr
 
 
-initGHCupFileLogging :: (MonadIO m) => FilePath -> m FilePath
+initGHCupFileLogging :: (MonadIO m, MonadReader AppState m) => m FilePath
-initGHCupFileLogging logsDir = do
+initGHCupFileLogging = do
+  AppState {dirs = Dirs {..}} <- ask
   let logfile = logsDir </> "ghcup.log"
   liftIO $ do
+    createDirectoryIfMissing True logsDir
     logFiles <- findFiles
       logsDir
       (makeRegexOpts compExtended
                      execBlank
                      ([s|^.*\.log$|] :: B.ByteString)
       )
-    forM_ logFiles $ hideError doesNotExistErrorType . rmFile . (logsDir </>)
+    forM_ logFiles $ hideError doesNotExistErrorType . removeFile . (logsDir </>)
 
     writeFile logfile ""
     pure logfile

lib/GHCup/Utils/Prelude.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP                 #-}
 {-# LANGUAGE DataKinds           #-}
 {-# LANGUAGE FlexibleContexts    #-}
 {-# LANGUAGE FlexibleInstances   #-}
@@ -26,8 +25,6 @@ import           Control.Monad.IO.Class
 import           Control.Monad.Trans.Class      ( lift )
 import           Data.Bifunctor
 import           Data.ByteString                ( ByteString )
-import           Data.List                      ( nub )
-import           Data.Foldable
 import           Data.String
 import           Data.Text                      ( Text )
 import           Data.Versions
@@ -35,15 +32,6 @@ import           Data.Word8
 import           Haskus.Utils.Types.List
 import           Haskus.Utils.Variant.Excepts
 import           System.IO.Error
-import           System.IO.Unsafe
-import           System.Directory
-import           System.FilePath
-
-#if defined(IS_WINDOWS)
-import           Control.Retry
-import           GHC.IO.Exception
-#endif
-
 import qualified Data.ByteString               as B
 import qualified Data.ByteString.Lazy          as L
 import qualified Data.Strict.Maybe             as S
@@ -190,14 +178,14 @@ hideError :: (MonadIO m, MonadCatch m) => IOErrorType -> m () -> m ()
 hideError err = handleIO (\e -> if err == ioeGetErrorType e then pure () else liftIO . ioError $ e)
 
 
-hideErrorDef :: (MonadIO m, MonadCatch m) => [IOErrorType] -> a -> m a -> m a
+hideErrorDef :: [IOErrorType] -> a -> IO a -> IO a
 hideErrorDef errs def =
-  handleIO (\e -> if ioeGetErrorType e `elem` errs then pure def else liftIO $ ioError e)
+  handleIO (\e -> if ioeGetErrorType e `elem` errs then pure def else ioError e)
 
 
-hideErrorDefM :: (MonadIO m, MonadCatch m) => [IOErrorType] -> m a -> m a -> m a
+hideErrorDefM :: [IOErrorType] -> IO a -> IO a -> IO a
 hideErrorDefM errs def =
-  handleIO (\e -> if ioeGetErrorType e `elem` errs then def else liftIO $ ioError e)
+  handleIO (\e -> if ioeGetErrorType e `elem` errs then def else ioError e)
 
 
 -- TODO: does this work?
@@ -288,140 +276,3 @@ escapeVerRex = B.pack . go . B.unpack . verToBS
   go (x : xs) | x == _period = [_backslash, _period] ++ go xs
               | otherwise    = x : go xs
 
--- | More permissive version of 'createDirRecursive'. This doesn't
--- error when the destination is a symlink to a directory.
-createDirRecursive' :: FilePath -> IO ()
-createDirRecursive' p =
-  handleIO (\e -> if isAlreadyExistsError e then isSymlinkDir e else throwIO e)
-    . createDirectoryIfMissing True
-    $ p
-
- where
-  isSymlinkDir e = do
-    ft <- pathIsSymbolicLink p
-    case ft of
-      True -> do
-        rp <- canonicalizePath p
-        rft <- doesDirectoryExist rp
-        case rft of
-          True -> pure ()
-          _ -> throwIO e
-      _ -> throwIO e
-
-
--- | Recursively copy the contents of one directory to another path.
---
--- This is a rip-off of Cabal library.
-copyDirectoryRecursive :: FilePath -> FilePath -> IO ()
-copyDirectoryRecursive srcDir destDir = do
-  srcFiles <- getDirectoryContentsRecursive srcDir
-  copyFilesWith copyFile destDir [ (srcDir, f)
-                                   | f <- srcFiles ]
-  where
-    -- | Common implementation of 'copyFiles', 'installOrdinaryFiles',
-    -- 'installExecutableFiles' and 'installMaybeExecutableFiles'.
-    copyFilesWith :: (FilePath -> FilePath -> IO ())
-                  -> FilePath -> [(FilePath, FilePath)] -> IO ()
-    copyFilesWith doCopy targetDir srcFiles = do
-
-      -- Create parent directories for everything
-      let dirs = map (targetDir </>) . nub . map (takeDirectory . snd) $ srcFiles
-      traverse_ (createDirectoryIfMissing True) dirs
-
-      -- Copy all the files
-      sequence_ [ let src  = srcBase   </> srcFile
-                      dest = targetDir </> srcFile
-                   in doCopy src dest
-                | (srcBase, srcFile) <- srcFiles ]
-
-
--- | List all the files in a directory and all subdirectories.
---
--- The order places files in sub-directories after all the files in their
--- parent directories. The list is generated lazily so is not well defined if
--- the source directory structure changes before the list is used.
---
-getDirectoryContentsRecursive :: FilePath -> IO [FilePath]
-getDirectoryContentsRecursive topdir = recurseDirectories [""]
-  where
-    recurseDirectories :: [FilePath] -> IO [FilePath]
-    recurseDirectories []         = return []
-    recurseDirectories (dir:dirs) = unsafeInterleaveIO $ do
-      (files, dirs') <- collect [] [] =<< getDirectoryContents (topdir </> dir)
-      files' <- recurseDirectories (dirs' ++ dirs)
-      return (files ++ files')
-
-      where
-        collect files dirs' []              = return (reverse files
-                                                     ,reverse dirs')
-        collect files dirs' (entry:entries) | ignore entry
-                                            = collect files dirs' entries
-        collect files dirs' (entry:entries) = do
-          let dirEntry = dir </> entry
-          isDirectory <- doesDirectoryExist (topdir </> dirEntry)
-          if isDirectory
-            then collect files (dirEntry:dirs') entries
-            else collect (dirEntry:files) dirs' entries
-
-        ignore ['.']      = True
-        ignore ['.', '.'] = True
-        ignore _          = False
-
--- https://github.com/haskell/directory/issues/110
--- https://github.com/haskell/directory/issues/96
--- https://www.sqlite.org/src/info/89f1848d7f
-rmPath :: (MonadIO m, MonadMask m)
-      => FilePath
-      -> m ()
-rmPath fp =
-#if defined(IS_WINDOWS)
-  recovering (fullJitterBackoff 25000 <> limitRetries 10)
-    [\_ -> Handler (\e -> pure $ isPermissionError e)
-    ,\_ -> Handler (\e -> pure (ioeGetErrorType e == UnsatisfiedConstraints))
-    ,\_ -> Handler (\e -> pure (ioeGetErrorType e == InappropriateType))
-    ]
-    (\_ -> liftIO $ removePathForcibly fp)
-#else
-  liftIO $ removeDirectoryRecursive fp
-#endif
-
-
--- https://www.sqlite.org/src/info/89f1848d7f
--- https://github.com/haskell/directory/issues/96
-rmFile :: (MonadIO m, MonadMask m)
-      => FilePath
-      -> m ()
-rmFile fp =
-#if defined(IS_WINDOWS)
-  recovering (fullJitterBackoff 25000 <> limitRetries 10)
-    [\_ -> Handler (\e -> pure $ isPermissionError e)
-    ,\_ -> Handler (\e -> pure (ioeGetErrorType e == UnsatisfiedConstraints))
-    ]
-    (\_ -> liftIO $ removeFile fp)
-#else
-  liftIO $ removeFile fp
-#endif
-
-
--- Gathering monoidal values
-traverseFold :: (Foldable t, Applicative m, Monoid b) => (a -> m b) -> t a -> m b
-traverseFold f = foldl (\mb a -> (<>) <$> mb <*> f a) (pure mempty)
-
--- | Gathering monoidal values
-forFold :: (Foldable t, Applicative m, Monoid b) => t a -> (a -> m b) -> m b
-forFold = \t -> (`traverseFold` t)
-
-
--- | Strip @\\r@ and @\\n@ from 'ByteString's
-stripNewline :: String -> String
-stripNewline s
-  | null s               = []
-  | head s `elem` "\n\r" = stripNewline (tail s)
-  | otherwise            = head s : stripNewline (tail s)
-
-
-isNewLine :: Word8 -> Bool
-isNewLine w
-  | w == _lf = True
-  | w == _cr = True
-  | otherwise = False

lib/GHCup/Version.hs

@@ -25,7 +25,7 @@ import qualified Data.Text                     as T
 
 -- | This reflects the API version of the YAML.
 ghcupURL :: URI
-ghcupURL = [uri|https://www.haskell.org/ghcup/data/ghcup-0.0.5.yaml|]
+ghcupURL = [uri|https://www.haskell.org/ghcup/data/ghcup-0.0.4.yaml|]
 
 -- | The current ghcup version.
 ghcUpVer :: PVP

refreeze.sh

@@ -1,27 +0,0 @@
-#!/bin/sh
-
-set -xue
-
-rm -f cabal.*.project
-rm -f cabal.*.project.freeze
-
-for ghc_ver in "$@" ; do
-	# shellcheck disable=SC3060
-	project_file=cabal.ghc${ghc_ver//./}.project
-
-	cp cabal.project "${project_file}"
-	case "$(uname -s)" in
-        MSYS*|MINGW*)
-			cabal freeze --project-file="${project_file}" -w "ghc-${ghc_ver}"
-			;;
-		*)
-			cabal freeze --project-file="${project_file}" -w "ghc-${ghc_ver}" -ftui -finternal-downloader
-			;;
-	esac
-
-
-	echo "" >> "${project_file}"
-	echo "with-compiler: ghc-${ghc_ver}" >> "${project_file}"
-
-	sed -i -e '/ghcup/d' "${project_file}".freeze
-done

stack.yaml

@@ -1,4 +1,4 @@
-resolver: lts-18.2
+resolver: lts-17.11
 
 packages:
   - .
@@ -12,7 +12,6 @@ extra-deps:
 
   - IfElse-0.85@sha256:6939b94acc6a55f545f63a168a349dd2fbe4b9a7cca73bf60282db5cc6aa47d2,445
   - ascii-string-1.0.1.4@sha256:fa34f1d9ba57e8e89c0d4c9cef5e01ba32cb2d4373d13f92dcc0b531a6c6749b,2582
-  - base16-bytestring-0.1.1.7@sha256:0021256a9628971c08da95cb8f4d0d72192f3bb8a7b30b55c080562d17c43dd3,2231
   - brotli-0.0.0.0@sha256:2bf383a4cd308745740986be0b18381c5a0784393fe69b91456aacb2d603de46,2964
   - brotli-streams-0.0.0.0@sha256:1af1e22f67b8bfd6ad0d05e61825e7a178d738f689ebbb21c1aab5f1bbcae176,2331
   - chs-cabal-0.1.1.0@sha256:20ec6a9fb5ab6991f1a4adf157c537bd5d3b98d08d3c09c387c954c7c50bd011,1153
@@ -21,24 +20,23 @@ extra-deps:
   - haskus-utils-data-1.3@sha256:f62c4e49021b463185d043f7b69c727b63af641a71d7edd582d9f4f98e80e500,1466
   - haskus-utils-types-1.5.1@sha256:991c472f4e751e2f0d7aab6ad4220ef151d6160876dcf0511bbf876bbd432020,1298
   - haskus-utils-variant-3.0@sha256:8d51e45d3b664e61ccc25a58b37c0ccc4ee7537138b9fee21cd15c356906dd34,2159
+  - http-io-streams-0.1.6.0@sha256:53f5bab177efb52cd65ec396fd04ed59b93e5f919fb3700cd7dacd6cfce6f06d,3582
   - hpath-filepath-0.10.4@sha256:e9e44fb5fdbade7f30b5b5451257dbee15b6ef1aae4060034d73008bb3b5d878,1269
   - hpath-posix-0.13.3@sha256:abe472cf16bccd3a8b8814865ed3551a728fde0f3a2baea2acc03023bec6c565,1615
   - hspec-2.7.10@sha256:c9e82c90086acebac576552a06f3cabd249bba048edd1667c7fae0b1313d5bce,1712
   - hspec-core-2.7.10@sha256:2aba6ea126442b29e8183ab27f1c811706b19b1d83b02f193a896f6fc1589d13,4621
   - hspec-discover-2.7.10@sha256:d08bf5dd785629f589571477d9beb7cd91529471bd89f39517c1cb4b9b38160f,2184
   - hspec-golden-aeson-0.9.0.0@sha256:aa17274114026661ba4dfc9c60c230673c8f408bd86482fd611d2d5cb6aff996,2179
-  - http-io-streams-0.1.6.0@sha256:53f5bab177efb52cd65ec396fd04ed59b93e5f919fb3700cd7dacd6cfce6f06d,3582
+  - lzma-static-5.2.5.2@sha256:ac38dcad9ab423342a72ba48415bd75f62234e9c9e11831495b75603b5a060f6,7184
   - libarchive-3.0.2.1@sha256:40ebf2a278e585802427bc58826867208bb33822f63d56107a1fcc3ca04d691d,10990
-  - lzma-static-5.2.5.3@sha256:2758ee58c35992fcf7db78e98684c357a16a82fa2a4e7c352a6c210c08c555d8,7308
   - os-release-1.0.1@sha256:1281c62081f438fc3f0874d3bae6a4887d5964ac25261ba06e29d368ab173467,2716
-  - primitive-0.7.1.0@sha256:29de6bfd0cf8ba023ceb806203dfbec0e51e3524e75ffe41056f70b4229c6f0f,2728
+  - primitive-0.7.0.1@sha256:a381571c36edc7dca28b77fe8159b43c14c640087ec5946adacf949feec64231,3433
   - regex-posix-clib-2.7
   - streamly-0.7.3@sha256:ad2a488fe802692ed47cab9fd0416c2904aac9e51cf2d8aafd1c3a40064c42f5,27421
   - streamly-bytestring-0.1.2@sha256:cc828f41d1c714c711d38fb213b4ed186febabba598ab080e13255f69c20b13c,2469
   - streamly-posix-0.1.0.1@sha256:5d89b806281035d34020387ed99dde1ddab282c7ed66df3b7cd010b38fd3517b,2138
   - strict-base-0.4.0.0@sha256:2ff4e43cb95eedf2995558d7fc34d19362846413dd39e6aa6a5b3ea8228fef9f,1248
   - xor-0.0.1.0@sha256:f8362b4a68562b9afbcd727ff64c1a303970df3a032e0033d2f4c094c3501df3,2243
-  - zip-1.7.1@sha256:0ce03d0fbffba47c1ab6fbb9166f8ba5373d828d78587df21b7e9d7bb150f929,3918
 
 flags:
   http-io-streams:

test/GHCup/ArbitraryTypes.hs

@@ -171,10 +171,6 @@ instance Arbitrary Tool where
   arbitrary = genericArbitrary
   shrink    = genericShrink
 
-instance Arbitrary GlobalTool where
-  arbitrary = genericArbitrary
-  shrink    = genericShrink
-
 instance Arbitrary GHCupInfo where
   arbitrary = genericArbitrary
   shrink    = genericShrink

www/ghcup.css

@@ -132,17 +132,13 @@ hr {
     margin-bottom: 2em;
 }
 
-span.code {
+#platform-instructions-linux > div > pre,
-	font-family: 'Lucida Console', monospace;
+#platform-instructions-mac > div > pre,
-}
+#platform-instructions-freebsd > div > pre,
-
+#platform-instructions-win32 > div > pre,
-#platform-instructions-linux div > pre,
+#platform-instructions-win64 > div > pre,
-#platform-instructions-mac div > pre,
+#platform-instructions-default > div > div > pre,
-#platform-instructions-freebsd div > pre,
+#platform-instructions-unknown > div > div > pre {
-#platform-instructions-win32 div > pre,
-#platform-instructions-win64 div > pre,
-#platform-instructions-default div > div > pre,
-#platform-instructions-unknown div > div > pre {
     background-color: #515151;
     color: white;
     margin-left: auto;

www/ghcup.js

@@ -158,8 +158,8 @@ function copyToClipboard() {
   document.body.removeChild(el);
 }
 
-function copyToClipboardPowershell() {
+function copyToClipboardSilicon() {
-  const text = document.getElementById("ghcup-command-powershell").innerText;
+  const text = document.getElementById("ghcup-command-silicon").innerText;
   const el = document.createElement('textarea');
   el.value = text;
   document.body.appendChild(el);

www/index.html

@@ -14,6 +14,7 @@
 
   <body id="idx">
 
+    <script id='html-content' type="text/html">
       <a id="platform-button" style="display: none;" href="#">
         click or press "n" to cycle platforms
       </a>
@@ -31,7 +32,10 @@
 
       <div id="platform-instructions-mac" class="instructions" style="display: none;">
         <p>Run the following in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+		<p>On Intel:</p>
 		<div class="command-button"><pre><span class='ghcup-command' id="ghcup-command-normal">curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre><button class="tooltip" onclick="copyToClipboard()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
+        <p>On Apple Silicon:</p>
+		<div class="command-button"><pre><span class='ghcup-command' id="ghcup-command-silicon">curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | arch -x86_64 /bin/bash</span></pre><button class="tooltip" onclick="copyToClipboardSilicon()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
         <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup-hs#manual-install">other installation methods</a>.<br/>You appear to be running macOS. If not, <a class="default-platform-button" href="#">display all supported installers</a>.</p>
       </div>
 
@@ -43,41 +47,24 @@
 
       <div id="platform-instructions-win32" class="instructions">
         <p>
-            To install Haskell,<br/>run the following in a powershell session (as a non-admin user).
+          To install Haskell, follow the instructions on
-			<div>
+          <a class="windows-download" href="https://www.haskell.org/platform/#windows">Haskell Platform</a>
-			<div class="command-button"><pre><span class='ghcup-command' id="ghcup-command-powershell">Set-ExecutionPolicy Bypass -Scope Process -Force;[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;Invoke-Command -ScriptBlock ([ScriptBlock]::Create((Invoke-WebRequest https://www.haskell.org/ghcup/sh/bootstrap-haskell.ps1 -UseBasicParsing))) -ArgumentList $true</span></span></pre><button class="tooltip" onclick="copyToClipboardPowershell()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button>
+		<p>If you're a Windows Subsystem for Linux user run the following in your terminal, then follow the onscreen instructions to install Haskell.
-			</div>
-				<p class="other-help">If you want to run a non-interactive installation, change <span class='code'>$true</span> to <span class='code'>$false</span> at the end of the script.</p>
-			</div>
-		<p>If you're a Windows Subsystem 2 for Linux user run the following in your terminal, then follow the onscreen instructions to install Haskell.
 		</p>
-		<div>
+		<div class="command-button"><pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre><button class="tooltip" onclick="copyToClipboard()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
-		<div class="command-button"><pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre><button class="tooltip" onclick="copyToClipboard()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button>
-		</div>
-		<p class="other-help">WSL1 does not work with ghcup, follow  <a href="https://docs.microsoft.com/en-us/windows/wsl/install-win10">the instructions here</a> to upgrade to WSL2 if needed.</p>
-		</div>
         </p>
-        <hr/>
+        <p class="other-help">You appear to be running Windows 32-bit. If not, <a class="default-platform-button" href="#">display all supported installers</a>.</p>
-		<p class="other-help">You appear to be running Windows 32-bit. If not, <a class="default-platform-button" href="#">display all supported installers</a>.</p>
       </div>
 
       <div id="platform-instructions-win64" class="instructions" style="display: none;">
         <p>
-            To install Haskell,<br/>run the following in a powershell session (as a non-admin user).
+          To install Haskell, follow the instructions on
-			<div>
+          <a class="windows-download" href="https://www.haskell.org/platform/#windows">Haskell Platform</a>
-			<div class="command-button"><pre><span class='ghcup-command'>Set-ExecutionPolicy Bypass -Scope Process -Force;[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;Invoke-Command -ScriptBlock ([ScriptBlock]::Create((Invoke-WebRequest https://www.haskell.org/ghcup/sh/bootstrap-haskell.ps1 -UseBasicParsing))) -ArgumentList $true</span></span></pre><button class="tooltip" onclick="copyToClipboardPowershell()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button>
-			</div>
-				<p class="other-help">If you want to run an interactive installation, change <span class='code'>$true</span> to <span class='code'>$false</span> at the end of the script.</p>
-			</div>
         </p>
-		<p>If you're a Windows Subsystem 2 for Linux user run the following in your terminal, then follow the onscreen instructions to install Haskell.
+		<p>If you're a Windows Subsystem for Linux user run the following in your terminal, then follow the onscreen instructions to install Haskell.
 		</p>
-		<div>
+		<div class="command-button"><pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre><button class="tooltip" onclick="copyToClipboard()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
-		<div class="command-button"><pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre><button class="tooltip" onclick="copyToClipboard()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button>
+        <p class="other-help">You appear to be running Windows 64-bit. If not, <a class="default-platform-button" href="#">display all supported installers</a>.</p>
-		</div>
-		<p class="other-help">WSL1 does not work with ghcup, follow  <a href="https://docs.microsoft.com/en-us/windows/wsl/install-win10">the instructions here</a> to upgrade to WSL2 if needed.</p>
-		</div>
-		<p class="other-help">You appear to be running Windows 64-bit. If not, <a class="default-platform-button" href="#">display all supported installers</a>.</p>
       </div>
 
       <div id="platform-instructions-unknown" class="instructions" style="display: none;">
@@ -99,7 +86,7 @@
 
         <!-- duplicate the default cross-platform instructions -->
         <div>
-          <p>If you are running Linux, macOS, FreeBSD or Windows Subsystem 2 for Linux, run the following in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+          <p>If you are running Linux, macOS, FreeBSD or Windows Subsystem for Linux, run the following in your terminal (as a user other than root), then follow the onscreen instructions.</p>
 		  <div class="command-button"><pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre><button class="tooltip" onclick="copyToClipboard()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
           <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup-hs#manual-install">other installation methods</a>.</p>
         </div>
@@ -108,8 +95,8 @@
 
         <div>
           <p>
-            If you are running Windows,<br/>run the following in a powershell session (as a non-admin user).
+            If you are running Windows,<br/>follow the instructions on
-			<div class="command-button"><pre><span class='ghcup-command'>Set-ExecutionPolicy Bypass -Scope Process -Force;[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;Invoke-Command -ScriptBlock ([ScriptBlock]::Create((Invoke-WebRequest https://www.haskell.org/ghcup/sh/bootstrap-haskell.ps1 -UseBasicParsing))) -ArgumentList $false</span></span></pre><button class="tooltip" onclick="copyToClipboardPowershell()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
+            <a class="windows-download" href="https://www.haskell.org/platform/#windows">Haskell Platform</a>
           </p>
         </div>
 
@@ -117,9 +104,11 @@
 
       <div id="platform-instructions-default" class="instructions">
         <div>
-          <p>To install Haskell, if you are running Linux, macOS, FreeBSD or Windows Subsystem 2 for Linux, run the following
+          <p>To install Haskell, if you are running Linux, macOS (on Intel), FreeBSD or Windows Subsystem for Linux, run the following
           in your terminal (as a user other than root), then follow the onscreen instructions.</p>
 		  <div class="command-button"><pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre><button class="tooltip" onclick="copyToClipboard()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
+          <p>For macOS on Apple Silicon, run this instead:</p>
+          <div class="command-button"><pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | arch -x86_64 /bin/bash</span></pre><button class="tooltip" onclick="copyToClipboardSilicon()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
           <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup-hs#manual-install">other installation methods</a>.</p>
         </div>
 
@@ -127,15 +116,15 @@
 
         <div>
           <p>
-            If you are running Windows,<br/>run the following in a powershell session (as a non-admin user).
+            If you are running Windows,<br/>follow the instructions on
-			<div class="command-button"><pre><span class='ghcup-command'>Set-ExecutionPolicy Bypass -Scope Process -Force;[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;Invoke-Command -ScriptBlock ([ScriptBlock]::Create((Invoke-WebRequest https://www.haskell.org/ghcup/sh/bootstrap-haskell.ps1 -UseBasicParsing))) -ArgumentList $false</span></span></pre><button class="tooltip" onclick="copyToClipboardPowershell()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
+            <a class="windows-download" href="https://www.haskell.org/platform/#windows">Haskell Platform</a>
           </p>
         </div>
 
       </div>
 
       <p>
-        Need help? Ask on <a href="https://kiwiirc.com/nextclient/irc.libera.chat/#haskell-ghcup">#haskell-ghcup</a>, <a href="https://kiwiirc.com/nextclient/irc.libera.chat/#haskell">#haskell</a> or <a href="https://gitlab.haskell.org/haskell/ghcup-hs/issues">report a bug</a>.
+        Need help? <a href="http://webchat.freenode.net/?randomnick=1&channels=%23haskell&uio=d4">Ask on #haskell</a> or <a href="https://gitlab.haskell.org/haskell/ghcup-hs/issues">report a bug</a>.
       </p>
 
       <p id="about">
@@ -148,7 +137,54 @@
         &nbsp;&middot;&nbsp;
         <a href="https://github.com/rust-lang/rustup.rs/tree/master/www">web design from rustup</a>
       </p>
+    </script>
+    <script>
+      document.write(document.getElementById("html-content").innerHTML);
+    </script>
     <script type="text/javascript" src="ghcup.js"></script>
 
+    <noscript>
+      <p id="pitch">
+        <em>ghcup</em> is an installer for<br/>
+        the general purpose language <a href="https://www.haskell.org/">Haskell</a>
+      </p>
+
+      <div id="platform-instructions-default" class="instructions">
+        <div>
+          <p>To install Haskell, if you are running Linux, macOS (on Intel), FreeBSD or Windows Subsystem for Linux, run the following
+          in your terminal (as a user other than root), then follow the onscreen instructions.</p>
+		  <pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | sh</span></pre>
+          <p>For macOS on Apple Silicon, run this instead:</p>
+          <div class="command-button"><pre><span class='ghcup-command'>curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | arch -x86_64 /bin/bash</span></pre><button class="tooltip" onclick="copyToClipboardSilicon()"><img src="copy.svg" alt="" /><span class="tooltiptext">Copy to clipboard</span></button></div>
+          <p class="other-help">If you don't like curl | sh, see <a href="https://gitlab.haskell.org/haskell/ghcup-hs#manual-install">other installation methods</a>.</p>
+        </div>
+
+        <hr/>
+
+        <div>
+          <p>
+            If you are running Windows,<br/>follow the instructions on
+            <a class="windows-download" href="https://www.haskell.org/platform/#windows">Haskell Platform</a>
+          </p>
+        </div>
+
+      </div>
+
+      <p>
+        Need help? <a href="http://webchat.freenode.net/?randomnick=1&amp;channels=%23haskell&amp;uio=d4">Ask on #haskell</a>.
+      </p>
+
+      <p id="about">
+        <img src="haskell-logo.svg" alt="" />
+        ghcup is a haskell.org hosted project.
+        <br/>
+        <a href="https://www.haskell.org/downloads/">other installation options</a>
+        &nbsp;&middot;&nbsp;
+        <a href="https://gitlab.haskell.org/haskell/ghcup-hs">about ghcup</a>
+        &nbsp;&middot;&nbsp;
+        <a href="https://github.com/rust-lang/rustup.rs/tree/master/www">web design from rustup</a>
+      </p>
+
+    </noscript>
   </body>
 </html>