Add some fancy messages

Use streamly-0.7.3
Fix validation
2021-02-26 19:54:24 +01:00 · 2021-02-26 16:59:01 +01:00 · 2021-02-26 16:06:08 +01:00 · 2021-02-26 15:38:35 +01:00 · 2021-02-26 11:53:57 +01:00 · 2021-02-25 19:19:53 +01:00
18 changed files with 609 additions and 128 deletions
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,3 +1,7 @@
+stages:
+  - test
+  - release
+
 variables:
  GIT_SSL_NO_VERIFY: "1"

@@ -14,7 +18,7 @@ variables:
    - x86_64-linux
  variables:
    OS: "LINUX"
-    BIT: "64"
+    ARCH: "64"

 .alpine:64bit:
  image: "alpine:3.12"
@@ -22,7 +26,7 @@ variables:
    - x86_64-linux
  variables:
    OS: "LINUX"
-    BIT: "64"
+    ARCH: "64"

 .alpine:32bit:
  image: "i386/alpine:3.12"
@@ -30,21 +34,37 @@ variables:
    - x86_64-linux
  variables:
    OS: "LINUX"
-    BIT: "32"
+    ARCH: "32"
+
+.linux:armv7:
+  image: "arm32v7/fedora"
+  tags:
+    - armv7-linux
+  variables:
+    OS: "LINUX"
+    ARCH: "ARM"
+
+.linux:aarch64:
+  image: "arm64v8/fedora"
+  tags:
+    - aarch64-linux
+  variables:
+    OS: "LINUX"
+    ARCH: "ARM64"

 .darwin:
  tags:
    - x86_64-darwin
  variables:
    OS: "DARWIN"
-    BIT: "64"
+    ARCH: "64"

 .freebsd:
  tags:
    - x86_64-freebsd
  variables:
    OS: "FREEBSD"
-    BIT: "64"
+    ARCH: "64"

 .root_cleanup:
  after_script:
@@ -81,6 +101,20 @@ variables:
  before_script:
    - ./.gitlab/before_script/linux/alpine/install_deps.sh

+.test_ghcup_version:armv7:
+  extends:
+    - .test_ghcup_version
+    - .linux:armv7
+  before_script:
+    - ./.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_manual.sh
+
 .test_ghcup_version:darwin:
  extends:
    - .test_ghcup_version
@@ -106,10 +140,13 @@ variables:
      - out
  only:
    - tags
+  variables:
+    JSON_VERSION: "0.0.4"

 ######## stack test ########

 test:linux:stack:
+  stage: test
  before_script:
    - ./.gitlab/before_script/linux/install_deps_minimal.sh
  script:
@@ -120,12 +157,13 @@ test:linux:stack:
 ######## bootstrap test ########

 test:linux:bootstrap_script:
+  stage: test
  before_script:
    - ./.gitlab/before_script/linux/install_deps_minimal.sh
  script:
    - ./.gitlab/script/ghcup_bootstrap.sh
  variables:
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"
  extends:
    - .debian
@@ -133,61 +171,83 @@ test:linux:bootstrap_script:
 ######## linux test ########

 test:linux:recommended:
+  stage: test
  extends: .test_ghcup_version:linux
  variables:
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"

 test:linux:latest:
+  stage: test
  extends: .test_ghcup_version:linux
  variables:
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"
-  allow_failure: true

 ######## linux 32bit test ########

 test:linux:recommended:32bit:
+  stage: test
  extends: .test_ghcup_version:linux32
  variables:
-    GHC_VERSION: "8.10.2"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.2.0.0"

+######## arm tests ########
+
+test:linux:recommended:armv7:
+  extends: .test_ghcup_version:armv7
+  variables:
+    GHC_VERSION: "8.10.4"
+    CABAL_VERSION: "3.4.0.0"
+  when: manual
+
+test:linux:recommended:aarch64:
+  extends: .test_ghcup_version:aarch64
+  variables:
+    GHC_VERSION: "8.10.4"
+    CABAL_VERSION: "3.4.0.0"
+  when: manual
+
 ######## darwin test ########

 test:mac:recommended:
+  stage: test
  extends: .test_ghcup_version:darwin
  variables:
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"

 test:mac:latest:
+  stage: test
  extends: .test_ghcup_version:darwin
  variables:
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"
-  allow_failure: true


 ######## freebsd test ########

 test:freebsd:recommended:
+  stage: test
  extends: .test_ghcup_version:freebsd
  variables:
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"

 test:freebsd:latest:
+  stage: test
  extends: .test_ghcup_version:freebsd
  variables:
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"
-  allow_failure: true


 ######## linux release ########

 release:linux:64bit:
+  stage: release
+  needs: ["test:linux:recommended", "test:linux:latest"]
  extends:
    - .alpine:64bit
    - .release_ghcup
@@ -195,11 +255,13 @@ release:linux:64bit:
    - ./.gitlab/before_script/linux/alpine/install_deps.sh
  variables:
    ARTIFACT: "x86_64-linux-ghcup"
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"


 release:linux:32bit:
+  stage: release
+  needs: ["test:linux:recommended:32bit"]
  extends:
    - .alpine:32bit
    - .release_ghcup
@@ -207,13 +269,40 @@ release:linux:32bit:
    - ./.gitlab/before_script/linux/alpine/install_deps.sh
  variables:
    ARTIFACT: "i386-linux-ghcup"
-    GHC_VERSION: "8.10.2"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.2.0.0"

+release:linux:armv7:
+  stage: release
+  needs: ["test:linux:recommended:armv7"]
+  extends:
+    - .linux:armv7
+    - .release_ghcup
+  before_script:
+    - ./.gitlab/before_script/linux/install_deps_manual.sh
+  variables:
+    ARTIFACT: "armv7-linux-ghcup"
+    GHC_VERSION: "8.10.4"
+    CABAL_VERSION: "3.4.0.0"
+
+release:linux:aarch64:
+  stage: release
+  needs: ["test:linux:recommended:aarch64"]
+  extends:
+    - .linux:aarch64
+    - .release_ghcup
+  before_script:
+    - ./.gitlab/before_script/linux/install_deps_manual.sh
+  variables:
+    ARTIFACT: "aarch64-linux-ghcup"
+    GHC_VERSION: "8.10.4"
+    CABAL_VERSION: "3.4.0.0"

 ######## darwin release ########

 release:darwin:
+  stage: release
+  needs: ["test:mac:recommended", "test:mac:latest"]
  extends:
    - .darwin
    - .release_ghcup
@@ -222,7 +311,7 @@ release:darwin:
    - ./.gitlab/before_script/darwin/install_deps.sh
  variables:
    ARTIFACT: "x86_64-apple-darwin-ghcup"
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"
    MACOSX_DEPLOYMENT_TARGET: "10.7"

@@ -230,6 +319,8 @@ release:darwin:
 ######## freebsd release ########

 release:freebsd:
+  stage: release
+  needs: ["test:freebsd:recommended", "test:freebsd:latest"]
  extends:
    - .freebsd
    - .release_ghcup
@@ -238,6 +329,6 @@ release:freebsd:
    - ./.gitlab/before_script/freebsd/install_deps.sh
  variables:
    ARTIFACT: "x86_64-portbld-freebsd-ghcup"
-    GHC_VERSION: "8.10.3"
+    GHC_VERSION: "8.10.4"
    CABAL_VERSION: "3.4.0.0"

--- a/.gitlab/before_script/linux/alpine/install_deps.sh
+++ b/.gitlab/before_script/linux/alpine/install_deps.sh
@@ -10,6 +10,9 @@ apk add --no-cache \
 	curl \
 	gcc \
 	g++ \
+	binutils \
+	binutils-gold \
+	bsd-compat-headers \
 	gmp-dev \
 	ncurses-dev \
 	libffi-dev \
@@ -18,7 +21,7 @@ apk add --no-cache \
 	tar \
 	perl

-if [ "${BIT}" = "32" ] ; then
+if [ "${ARCH}" = "32" ] ; then
 	curl -sSfL https://downloads.haskell.org/ghcup/i386-linux-ghcup > ./ghcup-bin
 else
 	curl -sSfL https://downloads.haskell.org/ghcup/x86_64-linux-ghcup > ./ghcup-bin
--- a/.gitlab/before_script/linux/install_deps_manual.sh
+++ b/.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 "$@"
+			;;
+		*) exit 1 ;;
+	esac
+}
+
+ednf update
+ednf install gcc gcc-c++ gmp gmp-devel make ncurses ncurses-devel xz xz-devel perl zlib zlib-devel openssl-devel openssl-libs openssl libffi libffi-devel
+if [ "${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
--- a/.gitlab/script/ghcup_release.sh
+++ b/.gitlab/script/ghcup_release.sh
@@ -16,10 +16,12 @@ git describe
 ecabal update

 if [ "${OS}" = "LINUX" ] ; then
-	if [ "${BIT}" = "32" ] ; then
+	if [ "${ARCH}" = "32" ] ; then
 		ecabal build -w ghc-${GHC_VERSION} --ghc-options='-split-sections -optl-static' -ftui -ftar
-	else
+	elif [ "${ARCH}" = "64" ] ; then
 		ecabal build -w ghc-${GHC_VERSION} --ghc-options='-split-sections -optl-static' -ftui
+	else
+		ecabal build -w ghc-${GHC_VERSION} -ftui
 	fi
 elif [ "${OS}" = "FREEBSD" ] ; then
 	ecabal build -w ghc-${GHC_VERSION} --ghc-options='-split-sections' --constraint="zlib +static" -ftui
--- a/.gitlab/script/ghcup_version.sh
+++ b/.gitlab/script/ghcup_version.sh
@@ -26,7 +26,7 @@ if [ "${OS}" = "DARWIN" ] ; then
 	ecabal build -w ghc-${GHC_VERSION} -ftui
 	ecabal test -w ghc-${GHC_VERSION} -ftui ghcup-test
 elif [ "${OS}" = "LINUX" ] ; then
-	if [ "${BIT}" = "32" ] ; then
+	if [ "${ARCH}" = "32" ] ; then
 		ecabal build -w ghc-${GHC_VERSION} -finternal-downloader -ftui -ftar
 		ecabal test -w ghc-${GHC_VERSION} -finternal-downloader -ftui -ftar ghcup-test
 	else
@@ -80,17 +80,17 @@ ghci-$(ghc --numeric-version) --version
 # test installing new ghc doesn't mess with currently set GHC
 # https://gitlab.haskell.org/haskell/ghcup-hs/issues/7
 if [ "${OS}" = "LINUX" ] ; then
-	eghcup --downloader=wget install 8.4.4
+	eghcup --downloader=wget install 8.10.3
 else # test wget a bit
-	eghcup install 8.4.4
+	eghcup install 8.10.3
 fi
 [ "$(ghc --numeric-version)" = "${ghc_ver}" ]
-eghcup set 8.4.4
-eghcup set 8.4.4
-[ "$(ghc --numeric-version)" = "8.4.4" ]
+eghcup set 8.10.3
+eghcup set 8.10.3
+[ "$(ghc --numeric-version)" = "8.10.3" ]
 eghcup set ${GHC_VERSION}
 [ "$(ghc --numeric-version)" = "${ghc_ver}" ]
-eghcup rm 8.4.4
+eghcup rm 8.10.3
 [ "$(ghc --numeric-version)" = "${ghc_ver}" ]

 # install hls
@@ -98,7 +98,7 @@ if [ "${OS}" = "DARWIN" ] ; then
 	eghcup install hls
 	haskell-language-server-wrapper --version
 elif [ "${OS}" = "LINUX" ] ; then
-	if [ "${BIT}" = "64" ] ; then
+	if [ "${ARCH}" = "64" ] ; then
 		eghcup install hls
 		haskell-language-server-wrapper --version
 	fi
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,10 @@
 # Revision history for ghcup

-## 0.1.13 -- ????-??-??
+## 0.1.13 -- 2021-02-26

+* Support ARMv7/AARCH64
+* Add command line completions for installed and available versions wrt [MR #70](https://gitlab.haskell.org/haskell/ghcup-hs/-/merge_requests/70)
+* Allow to cycle through set tools wrt [#114](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/114)
 * Fix item selection with unavailable versions wrt [#107](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/107)
 * Allow for dynamic post-install, post-remove and pre-compile msgs wrt [MR #68](https://gitlab.haskell.org/haskell/ghcup-hs/-/merge_requests/68)
 * Alert user if upgraded ghcup is shadowed by old ghcup wrt [#111](https://gitlab.haskell.org/haskell/ghcup-hs/-/issues/111)
--- a/app/ghcup-gen/Validate.hs
+++ b/app/ghcup-gen/Validate.hs
@@ -99,9 +99,11 @@ validate dls = do
    -- (although it could be static)
    when (not $ any (== Linux Alpine) pspecs) $
      case t of
-        GHCup -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]) >> addError
-        Cabal | v > [vver|2.4.1.0|] -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]) >> addError
-        GHC | Latest `elem` tags || Recommended `elem` tags -> lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]
+        GHCup | arch `elem` [A_64, A_32] -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch}|]) >> addError
+        Cabal | v > [vver|2.4.1.0|]
+              , arch `elem` [A_64, A_32] -> (lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]) >> addError
+        GHC | Latest `elem` tags || Recommended `elem` tags
+            , arch `elem` [A_64, A_32] -> lift $ $(logError) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]
        _ -> lift $ $(logWarn) [i|Linux Alpine missing for #{t} #{v'} #{arch'}|]

  checkUniqueTags tool = do
--- a/app/ghcup/Main.hs
+++ b/app/ghcup/Main.hs
@@ -44,7 +44,7 @@ import           Data.Bifunctor
 import           Data.Char
 import           Data.Either
 import           Data.Functor
-import           Data.List                      ( intercalate, sort )
+import           Data.List                      ( intercalate, nub, sort, sortBy )
 import           Data.List.NonEmpty             (NonEmpty ((:|)))
 import           Data.Maybe
 import           Data.String.Interpolate
@@ -70,6 +70,7 @@ import           URI.ByteString

 import qualified Data.ByteString               as B
 import qualified Data.ByteString.UTF8          as UTF8
+import qualified Data.Map.Strict               as M
 import qualified Data.Text                     as T
 import qualified Data.Text.IO                  as T
 import qualified Data.Text.Encoding            as E
@@ -115,6 +116,11 @@ prettyToolVer :: ToolVersion -> String
 prettyToolVer (ToolVersion v') = T.unpack $ prettyTVer v'
 prettyToolVer (ToolTag t) = show t

+toSetToolVer :: Maybe ToolVersion -> SetToolVersion
+toSetToolVer (Just (ToolVersion v')) = SetToolVersion v'
+toSetToolVer (Just (ToolTag t')) = SetToolTag t'
+toSetToolVer Nothing = SetRecommended
+

 data InstallCommand = InstallGHC InstallOptions
                    | InstallCabal InstallOptions
@@ -131,8 +137,14 @@ data SetCommand = SetGHC SetOptions
                | SetCabal SetOptions
                | SetHLS SetOptions

+-- a superset of ToolVersion
+data SetToolVersion = SetToolVersion GHCTargetVersion
+                    | SetToolTag Tag
+                    | SetRecommended
+                    | SetNext
+
 data SetOptions = SetOptions
-  { sToolVer :: Maybe ToolVersion
+  { sToolVer :: SetToolVersion
  }

 data ListOptions = ListOptions
@@ -192,10 +204,10 @@ data ChangeLogOptions = ChangeLogOptions
 -- by default. For example:
 --
 -- > invertableSwitch "recursive" True (help "do not recurse into directories")
-- 
-- This example makes --recursive enabled by default, so 
+--
+-- This example makes --recursive enabled by default, so
 -- the help is shown only for --no-recursive.
-invertableSwitch 
+invertableSwitch
    :: String              -- ^ long option
    -> Char                -- ^ short option for the non-default option
    -> Bool                -- ^ is switch enabled by default?
@@ -363,7 +375,7 @@ com =
          (  command
              "install-cabal"
              ((info
-                 ((InstallCabalLegacy <$> installOpts) <**> helper)
+                 ((InstallCabalLegacy <$> installOpts (Just Cabal)) <**> helper)
                 (  progDesc "Install or update cabal"
                 <> footerDoc (Just $ text installCabalFooter)
                 )
@@ -413,7 +425,7 @@ installParser =
          "ghc"
          (   InstallGHC
          <$> (info
-                (installOpts <**> helper)
+                (installOpts (Just GHC) <**> helper)
                (  progDesc "Install GHC"
                <> footerDoc (Just $ text installGHCFooter)
                )
@@ -423,7 +435,7 @@ installParser =
           "cabal"
           (   InstallCabal
           <$> (info
-                 (installOpts <**> helper)
+                 (installOpts (Just Cabal) <**> helper)
                 (  progDesc "Install Cabal"
                 <> footerDoc (Just $ text installCabalFooter)
                 )
@@ -433,7 +445,7 @@ installParser =
           "hls"
           (   InstallHLS
           <$> (info
-                 (installOpts <**> helper)
+                 (installOpts (Just HLS) <**> helper)
                 (  progDesc "Install haskell-languge-server"
                 <> footerDoc (Just $ text installHLSFooter)
                 )
@@ -441,7 +453,7 @@ installParser =
           )
      )
    )
-    <|> (Right <$> installOpts)
+    <|> (Right <$> installOpts Nothing)
 where
  installHLSFooter :: String
  installHLSFooter = [s|Discussion:
@@ -472,8 +484,8 @@ Examples:
  ghcup install ghc -u https://gitlab.haskell.org/api/v4/projects/1/jobs/artifacts/master/raw/ghc-x86_64-fedora27-linux.tar.xz?job=validate-x86_64-linux-fedora27 head|]


-installOpts :: Parser InstallOptions
-installOpts =
+installOpts :: Maybe Tool -> Parser InstallOptions
+installOpts tool =
  (\p (u, v) b -> InstallOptions v p u b)
    <$> (optional
          (option
@@ -495,9 +507,9 @@ installOpts =
                    )
                  )
                )
-            <*> (Just <$> toolVersionArgument)
+            <*> (Just <$> toolVersionArgument Nothing tool)
            )
-        <|> ((,) <$> pure Nothing <*> optional toolVersionArgument)
+        <|> (pure (Nothing, Nothing))
        )
    <*> flag
          False
@@ -514,7 +526,7 @@ setParser =
          "ghc"
          (   SetGHC
          <$> (info
-                (setOpts <**> helper)
+                (setOpts (Just GHC) <**> helper)
                (  progDesc "Set GHC version"
                <> footerDoc (Just $ text setGHCFooter)
                )
@@ -524,7 +536,7 @@ setParser =
           "cabal"
           (   SetCabal
           <$> (info
-                 (setOpts <**> helper)
+                 (setOpts (Just Cabal) <**> helper)
                 (  progDesc "Set Cabal version"
                 <> footerDoc (Just $ text setCabalFooter)
                 )
@@ -534,7 +546,7 @@ setParser =
           "hls"
           (   SetHLS
           <$> (info
-                 (setOpts <**> helper)
+                 (setOpts (Just HLS) <**> helper)
                 (  progDesc "Set haskell-language-server version"
                 <> footerDoc (Just $ text setHLSFooter)
                 )
@@ -542,7 +554,7 @@ setParser =
           )
      )
    )
-    <|> (Right <$> setOpts)
+    <|> (Right <$> setOpts Nothing)
 where
  setGHCFooter :: String
  setGHCFooter = [s|Discussion:
@@ -559,8 +571,10 @@ setParser =
    Sets the the current haskell-language-server version.|]


-setOpts :: Parser SetOptions
-setOpts = SetOptions <$> optional toolVersionArgument
+setOpts :: Maybe Tool -> Parser SetOptions
+setOpts tool = SetOptions <$>
+    (fromMaybe SetRecommended <$>
+      optional (setVersionArgument (Just ListInstalled) tool))

 listOpts :: Parser ListOptions
 listOpts =
@@ -592,29 +606,29 @@ rmParser =
  (Left <$> subparser
      (  command
          "ghc"
-          (RmGHC <$> (info (rmOpts <**> helper) (progDesc "Remove GHC version")))
+          (RmGHC <$> (info (rmOpts (Just GHC) <**> helper) (progDesc "Remove GHC version")))
      <> command
           "cabal"
           (   RmCabal
-           <$> (info (versionParser' <**> helper)
+           <$> (info (versionParser' (Just ListInstalled) (Just Cabal) <**> helper)
                     (progDesc "Remove Cabal version")
               )
           )
      <> command
           "hls"
           (   RmHLS
-           <$> (info (versionParser' <**> helper)
+           <$> (info (versionParser' (Just ListInstalled) (Just HLS) <**> helper)
                     (progDesc "Remove haskell-language-server version")
               )
           )
      )
    )
-    <|> (Right <$> rmOpts)
+    <|> (Right <$> rmOpts Nothing)



-rmOpts :: Parser RmOptions
-rmOpts = RmOptions <$> versionArgument
+rmOpts :: Maybe Tool -> Parser RmOptions
+rmOpts tool = RmOptions <$> versionArgument (Just ListInstalled) tool


 changelogP :: Parser ChangeLogOptions
@@ -636,7 +650,7 @@ changelogP =
            )
          )
        )
-    <*> optional toolVersionArgument
+    <*> optional (toolVersionArgument Nothing Nothing)

 compileP :: Parser CompileCommand
 compileP = subparser
@@ -765,13 +779,85 @@ toolVersionParser = verP' <|> toolP
          )

 -- | same as toolVersionParser, except as an argument.
-toolVersionArgument :: Parser ToolVersion
-toolVersionArgument =
-  argument (eitherReader toolVersionEither) (metavar "VERSION|TAG")
+toolVersionArgument :: Maybe ListCriteria -> Maybe Tool -> Parser ToolVersion
+toolVersionArgument criteria tool =
+  argument (eitherReader toolVersionEither)
+    (metavar "VERSION|TAG"
+    <> completer (tagCompleter (fromMaybe GHC tool) [])
+    <> foldMap (completer . versionCompleter criteria) tool)


-versionArgument :: Parser GHCTargetVersion
-versionArgument = argument (eitherReader tVersionEither) (metavar "VERSION")
+setVersionArgument :: Maybe ListCriteria -> Maybe Tool -> Parser SetToolVersion
+setVersionArgument criteria tool =
+  argument (eitherReader setEither)
+    (metavar "VERSION|TAG|next"
+    <> completer (tagCompleter (fromMaybe GHC tool) ["next"])
+    <> foldMap (completer . versionCompleter criteria) tool)
+ where
+  setEither s' =
+        parseSet s'
+    <|> bimap id SetToolTag (tagEither s')
+    <|> bimap id SetToolVersion (tVersionEither s')
+  parseSet s' = case fmap toLower s' of
+                  "next" -> Right SetNext
+                  other  -> Left [i|Unknown tag/version #{other}|]
+
+
+versionArgument :: Maybe ListCriteria -> Maybe Tool -> Parser GHCTargetVersion
+versionArgument criteria tool = argument (eitherReader tVersionEither) (metavar "VERSION" <> foldMap (completer . versionCompleter criteria) tool)
+
+
+tagCompleter :: Tool -> [String] -> Completer
+tagCompleter tool add = listIOCompleter $ do
+  let loggerConfig = LoggerConfig
+        { lcPrintDebug = False
+        , colorOutter  = mempty
+        , rawOutter    = mempty
+        }
+
+      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 dls -> do
+      let allTags = filter (\t -> t /= Old)
+            $ join
+            $ M.elems
+            $ availableToolVersions (_ghcupDownloads dls) tool
+      pure $ nub $ (add ++) $ fmap prettyTag allTags
+    VLeft _ -> pure  (nub $ ["recommended", "latest"] ++ add)
+
+
+versionCompleter :: Maybe ListCriteria -> Tool -> Completer
+versionCompleter criteria tool = listIOCompleter $ do
+  let loggerConfig = LoggerConfig
+        { lcPrintDebug = False
+        , colorOutter  = mempty
+        , rawOutter    = mempty
+        }
+
+      runLogger = myLoggerT loggerConfig
+
+  mpFreq <- runLogger . runE $ platformRequest
+
+  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
+
+    mGhcUpInfo <- runEnv . runE $ readFromCache
+
+    forFold mGhcUpInfo $ \(GHCupInfo _ dls) -> do
+      installedVersions <- runEnv $ listVersions dls (Just tool) criteria pfreq
+      return $ T.unpack . prettyVer . lVer <$> installedVersions
+

 versionParser :: Parser GHCTargetVersion
 versionParser = option
@@ -779,10 +865,10 @@ versionParser = option
  (short 'v' <> long "version" <> metavar "VERSION" <> help "The target version"
  )

-versionParser' :: Parser Version
-versionParser' = argument
-  (eitherReader (bimap show id . version . T.pack))
-  (metavar "VERSION")
+versionParser' :: Maybe ListCriteria -> Maybe Tool -> Parser Version
+versionParser' criteria tool = argument
+  (eitherReader (first show . version . T.pack))
+  (metavar "VERSION"  <> foldMap (completer . versionCompleter criteria) tool)


 tagEither :: String -> Either String Tag
@@ -792,7 +878,7 @@ tagEither s' = case fmap toLower s' of
  ('b':'a':'s':'e':'-':ver') -> case pvp (T.pack ver') of
                                  Right x -> Right (Base x)
                                  Left  _ -> Left [i|Invalid PVP version for base #{ver'}|]
-  other         -> Left ([i|Unknown tag #{other}|])
+  other         -> Left [i|Unknown tag #{other}|]


 tVersionEither :: String -> Either String GHCTargetVersion
@@ -1045,6 +1131,8 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                      , DigestError
                      , DownloadFailed
                      , TarDirDoesNotExist
+                      , NextVerNotFound
+                      , NoToolVersionSet
                      ]

          let runInstTool = runInstTool' appstate
@@ -1058,6 +1146,8 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                    , NotInstalled
                    , TagNotFound
                    , VerNotFound
+                    , NextVerNotFound
+                    , NoToolVersionSet
                    ]

          let
@@ -1068,6 +1158,8 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                  @'[ NotInstalled
                    , TagNotFound
                    , VerNotFound
+                    , NextVerNotFound
+                    , NoToolVersionSet
                    ]

          let
@@ -1078,6 +1170,8 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]
                  @'[ NotInstalled
                    , TagNotFound
                    , VerNotFound
+                    , NextVerNotFound
+                    , NoToolVersionSet
                    ]

          let runListGHC = runLogger . flip runReaderT appstate
@@ -1289,7 +1383,7 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]

          let setGHC' SetOptions{..} =
                (runSetGHC $ do
-                    v <- liftE $ fst <$> fromVersion dls sToolVer GHC
+                    v <- liftE $ fst <$> fromVersion' dls sToolVer GHC
                    liftE $ setGHC v SetGHCOnly
                  )
                  >>= \case
@@ -1304,22 +1398,32 @@ Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]

          let setCabal' SetOptions{..} =
                (runSetCabal $ do
-                    v <- liftE $ fst <$> fromVersion dls sToolVer Cabal
+                    v <- liftE $ fst <$> fromVersion' dls sToolVer Cabal
                    liftE $ setCabal (_tvVersion v)
+                    pure v
                  )
                  >>= \case
-                        VRight _ -> pure ExitSuccess
+                        VRight (GHCTargetVersion{..}) -> do
+                          runLogger
+                            $ $(logInfo)
+                                [i|Cabal #{prettyVer _tvVersion} successfully set as default version|]
+                          pure ExitSuccess
                        VLeft  e -> do
                          runLogger ($(logError) [i|#{e}|])
                          pure $ ExitFailure 14

          let setHLS' SetOptions{..} =
                (runSetHLS $ do
-                    v <- liftE $ fst <$> fromVersion dls sToolVer HLS
+                    v <- liftE $ fst <$> fromVersion' dls sToolVer HLS
                    liftE $ setHLS (_tvVersion v)
+                    pure v
                  )
                  >>= \case
-                        VRight _ -> pure ExitSuccess
+                        VRight (GHCTargetVersion{..}) -> do
+                          runLogger
+                            $ $(logInfo)
+                                [i|HLS #{prettyVer _tvVersion} successfully set as default version|]
+                          pure ExitSuccess
                        VLeft  e -> do
                          runLogger ($(logError) [i|#{e}|])
                          pure $ ExitFailure 14
@@ -1553,16 +1657,22 @@ Make sure to clean up #{tmpdir} afterwards.|])
            ef@(ExitFailure _) -> exitWith ef
  pure ()

-
-fromVersion :: Monad m
+fromVersion :: (MonadFail m, MonadReader AppState m, MonadThrow m, MonadIO m, MonadCatch m)
            => GHCupDownloads
            -> Maybe ToolVersion
            -> Tool
-            -> Excepts '[TagNotFound, VerNotFound] m (GHCTargetVersion, VersionInfo)
-fromVersion av Nothing tool =
+            -> Excepts '[TagNotFound, VerNotFound, NextVerNotFound, NoToolVersionSet] m (GHCTargetVersion, VersionInfo)
+fromVersion av tv tool = fromVersion' av (toSetToolVer tv) tool
+
+fromVersion' :: (MonadFail m, MonadReader AppState m, MonadThrow m, MonadIO m, MonadCatch m)
+             => GHCupDownloads
+             -> SetToolVersion
+             -> Tool
+             -> Excepts '[TagNotFound, VerNotFound, NextVerNotFound, NoToolVersionSet] m (GHCTargetVersion, VersionInfo)
+fromVersion' av SetRecommended tool =
  (\(x, y) -> (mkTVer x, y)) <$> getRecommended av tool
    ?? TagNotFound Recommended tool
-fromVersion av (Just (ToolVersion v)) tool = do
+fromVersion' av (SetToolVersion v) tool = do
  vi <- getVersionInfo (_tvVersion v) tool av ?? VerNotFound (_tvVersion v) tool
  case pvp $ prettyVer (_tvVersion v) of
    Left _ -> pure (v, vi)
@@ -1571,13 +1681,48 @@ fromVersion av (Just (ToolVersion v)) tool = do
        Just (v', vi') -> pure (GHCTargetVersion (_tvTarget v) v', vi')
        Nothing -> pure (v, vi)
    Right _ -> pure (v, vi)
-fromVersion av (Just (ToolTag Latest)) tool =
+fromVersion' av  (SetToolTag Latest) tool =
  (\(x, y) -> (mkTVer x, y)) <$> getLatest av tool ?? TagNotFound Latest tool
-fromVersion av (Just (ToolTag Recommended)) tool =
+fromVersion' av (SetToolTag Recommended) tool =
  (\(x, y) -> (mkTVer x, y)) <$> getRecommended av tool ?? TagNotFound Recommended tool
-fromVersion av (Just (ToolTag (Base pvp''))) GHC =
+fromVersion' av (SetToolTag (Base pvp'')) GHC =
  (\(x, y) -> (mkTVer x, y)) <$> getLatestBaseVersion av pvp'' ?? TagNotFound (Base pvp'') GHC
-fromVersion _ (Just (ToolTag t')) tool =
+fromVersion' av SetNext tool = do
+  next <- case tool of
+    GHC -> do
+      set <- fmap _tvVersion $ ghcSet Nothing !? NoToolVersionSet tool
+      ghcs <- rights <$> lift getInstalledGHCs
+      (headMay
+        . tail
+        . dropWhile (\GHCTargetVersion {..} -> _tvVersion /= set)
+        . cycle
+        . sortBy (\x y -> compare (_tvVersion x) (_tvVersion y))
+        . filter (\GHCTargetVersion {..} -> _tvTarget == Nothing)
+        $ ghcs) ?? NoToolVersionSet tool
+    Cabal -> do
+      set <- cabalSet !? NoToolVersionSet tool
+      cabals <- rights <$> lift getInstalledCabals
+      (fmap (GHCTargetVersion Nothing)
+        . headMay
+        . tail
+        . dropWhile (/= set)
+        . cycle
+        . sort
+        $ cabals) ?? NoToolVersionSet tool
+    HLS -> do
+      set <- hlsSet !? NoToolVersionSet tool
+      hlses <- rights <$> lift getInstalledHLSs
+      (fmap (GHCTargetVersion Nothing)
+        . headMay
+        . tail
+        . dropWhile (/= set)
+        . cycle
+        . sort
+        $ hlses) ?? NoToolVersionSet tool
+    GHCup -> fail "GHCup cannot be set"
+  vi <- getVersionInfo (_tvVersion next) tool av ?? VerNotFound (_tvVersion next) tool
+  pure (next, vi)
+fromVersion' _ (SetToolTag t') tool =
  throwE $ TagNotFound t' tool


--- a/8
+++ b/8
@@ -69,7 +69,7 @@ _done() {
 download_ghcup() {
 	_plat="$(uname -s)"
 	_arch=$(uname -m)
-	_ghver="0.1.12"
+	_ghver="0.1.13"
 	_base_url="https://downloads.haskell.org/~ghcup"

    case "${_plat}" in
@@ -89,6 +89,12 @@ download_ghcup() {
 				i*86)
 					_url=${_base_url}/${_ghver}/i386-linux-ghcup-${_ghver}
 					;;
+				armv7*)
+					_url=${_base_url}/${_ghver}/armv7-linux-ghcup-${_ghver}
+					;;
+				aarch64|arm64|armv8l)
+					_url=${_base_url}/${_ghver}/aarch64-linux-ghcup-${_ghver}
+					;;
 				*) die "Unknown architecture: ${_arch}"
 					;;
 			esac
--- a/cabal.project
+++ b/cabal.project
@@ -20,6 +20,11 @@ source-repository-package
    tag: bf6d28cf989b70286e12fecc183d5bbf5454a1a2
    subdir: hpath-directory

+source-repository-package
+    type: git
+    location: https://github.com/composewell/streamly.git
+    tag: befff892c60d1452b3cf3db14439f46ae1ea5042
+
 optimization: 2

 package streamly
--- a/ghcup-0.0.4.yaml
+++ b/ghcup-0.0.4.yaml
@@ -76,6 +76,19 @@ toolRequirements:
          - xz
          - perl
          notes: ''
+      Linux_Fedora:
+        unknown_versioning:
+          distroPKGs:
+          - gcc
+          - gcc-c++
+          - gmp
+          - gmp-devel
+          - make
+          - ncurses
+          - ncurses-compat-libs
+          - xz
+          - perl
+          notes: ''
      Linux_Alpine:
        unknown_versioning:
          distroPKGs:
@@ -125,6 +138,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/7.10.3/ghc-7.10.3-src.tar.xz
        dlSubdir: ghc-7.10.3
        dlHash: cf90cedce1c28fd0e2b9e72fe8a938756668d18ea1fcc884a19f698658ac4fef
+      viPostRemove: &ghc-post-remove "After removing GHC you might also want to clean up your cabal store at: ~/.cabal/store/ghc-<ghcver>"
      viArch:
        A_64:
          Linux_Debian:
@@ -188,6 +202,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.0.2/ghc-8.0.2-src.tar.xz
        dlSubdir: ghc-8.0.2
        dlHash: 11625453e1d0686b3fa6739988f70ecac836cadc30b9f0c8b49ef9091d6118b1
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -246,6 +261,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.2.2/ghc-8.2.2-src.tar.xz
        dlSubdir: ghc-8.2.2
        dlHash: bb8ec3634aa132d09faa270bbd604b82dfa61f04855655af6f9d14a9eedc05fc
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -313,6 +329,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.4.1/ghc-8.4.1-src.tar.xz
        dlSubdir: ghc-8.4.1
        dlHash: 39ae2f25192408f355693e5a3c8b6ff613ddb7c4da998fdf26210143a61839d2
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -362,6 +379,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.4.2/ghc-8.4.2-src.tar.xz
        dlSubdir: ghc-8.4.2
        dlHash: 01cc32f24a06bf3b2428351b6d7fec791e82d042426d29ad9e5a245b35f0047b
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -416,6 +434,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.4.3/ghc-8.4.3-src.tar.xz
        dlSubdir: ghc-8.4.3
        dlHash: ae47afda985830de8811243255aa3744dfb9207cb980af74393298b2b62160d6
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -464,6 +483,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.4.4/ghc-8.4.4-src.tar.xz
        dlSubdir: ghc-8.4.4
        dlHash: 11117735a58e507c481c09f3f39ae5a314e9fbf49fc3109528f99ea7959004b2
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -537,6 +557,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.6.1/ghc-8.6.1-src.tar.xz
        dlSubdir: ghc-8.6.1
        dlHash: 2c25c26d1e5c47c7cbb2a1d8e6456524033e7a71409184dd3125e3fc5a3c7036
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -591,6 +612,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.6.2/ghc-8.6.2-src.tar.xz
        dlSubdir: ghc-8.6.2
        dlHash: caaa819d21280ecde90a4773143dee188711e9ff175a27cfbaee56eb851d76d5
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -636,6 +658,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.6.3/ghc-8.6.3-src.tar.xz
        dlSubdir: ghc-8.6.3
        dlHash: 9f9e37b7971935d88ba80426c36af14b1e0b3ec1d9c860f44a4391771bc07f23
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -699,6 +722,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.6.4/ghc-8.6.4-src.tar.xz
        dlSubdir: ghc-8.6.4
        dlHash: 5b5d07e4463203a433c3ed3df461ba6cce11b6d2b9b264db31f3429075d0303a
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -747,6 +771,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.6.5/ghc-8.6.5-src.tar.xz
        dlSubdir: ghc-8.6.5
        dlHash: 4d4aa1e96f4001b934ac6193ab09af5d6172f41f5a5d39d8e43393b9aafee361
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -811,6 +836,12 @@ ghcupDownloads:
              dlHash: 3737837550d9b177acfe150e3a3cd4545427ded020487c2ed5194d7b8f116349
          Linux_UnknownLinux:
            unknown_versioning: *ghc-865-32-deb9
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.6.5/ghc-8.6.5-aarch64-ubuntu18.04-linux.tar.xz
+              dlSubdir: ghc-8.6.5
+              dlHash: 1852589037e4b2805ab517bc430e25a3125c4a118a1674ffefbb443394a0c786
    8.8.1:
      viTags:
      - base-4.13.0.0
@@ -820,6 +851,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.8.1/ghc-8.8.1-src.tar.xz
        dlSubdir: ghc-8.8.1
        dlHash: 908a83d9b814da74585de9d39687189e6260ec3848131f9d9236cab8a123721a
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -878,6 +910,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.8.2/ghc-8.8.2-src.tar.xz
        dlSubdir: ghc-8.8.2
        dlHash: 01cea54d90686b97bcc9960b108beaffccd4336dee930dcf9beaf52b1f370a0b
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -936,6 +969,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-src.tar.xz
        dlSubdir: ghc-8.8.3
        dlHash: e0dcc0aaf3e234c5978f29e6df62947e97720ab404ec0158343df211c5480f89
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -990,6 +1024,12 @@ ghcupDownloads:
            unknown_versioning: *ghc-883-32-deb9
          Linux_UnknownLinux:
            unknown_versioning: *ghc-883-32-deb9
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.8.3/ghc-8.8.3-aarch64-deb9-linux.tar.xz
+              dlSubdir: ghc-8.8.3
+              dlHash: 2a6821d0e7326cfa7670851702924bbab3b092415ba41247c37419158327eed9
    8.8.4:
      viTags:
      - base-4.13.0.0
@@ -998,6 +1038,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.8.4/ghc-8.8.4-src.tar.xz
        dlSubdir: ghc-8.8.4
        dlHash: f0505e38b2235ff9f1090b51f44d6c8efd371068e5a6bb42a2a6d8b67b5ffc2d
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -1071,6 +1112,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.10.1/ghc-8.10.1-src.tar.xz
        dlSubdir: ghc-8.10.1
        dlHash: 4e3b07f83a266b3198310f19f71e371ebce97c769b14f0d688f4cbf2a2a1edf5
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -1139,6 +1181,18 @@ ghcupDownloads:
              dlHash: 7360cc6b29e9b4ab08f6ea5bc3bcca6f5c216933e81ef1620dcdd700f1fdb289
          Linux_UnknownLinux:
            unknown_versioning: *ghc-8101-32-deb9
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.1/ghc-8.10.1-aarch64-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.1
+              dlHash: c099011e07999db917e797fb5d89c31f075a562556ab99be8ab0accbf2a94db7
+        A_ARM:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.1/ghc-8.10.1-armv7-deb9-linux.tar.xz
+              dlSubdir: ghc-8.10.1
+              dlHash: afe1bde2b0d6deb0320b9460fffe5d9427e302df85aec866b9c1458777d52b28
    8.10.2:
      viTags:
      - old
@@ -1148,6 +1202,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.10.2/ghc-8.10.2-src.tar.xz
        dlSubdir: ghc-8.10.2
        dlHash: 9c573a4621a78723950617c223559bdc325ea6a3409264aedf68f05510b0880b
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -1216,6 +1271,18 @@ ghcupDownloads:
              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.2/ghc-8.10.2-i386-alpine-linux.tar.xz
              dlSubdir: ghc-8.10.2
              dlHash: 9ee1cf1e85e9536088b3c9e80e975074e525ea378cd4eb156071bbc4b7b38327
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.2/ghc-8.10.2-aarch64-deb10-linux.tar.xz
+              dlSubdir: ghc-8.10.2
+              dlHash: 5cf24189077e6e2dce2aa16367ad8a53f603e751a15010dfb23d067206e55593
+        A_ARM:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.2/ghc-8.10.2-armv7-deb10-linux.tar.xz
+              dlSubdir: ghc-8.10.2
+              dlHash: bb9c97826b1f4d7a8ef8bce0616b612f1ded10480ef10fcf7fb4e6d10a6681c8
    8.10.3:
      viTags:
      - base-4.14.1.0
@@ -1224,6 +1291,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-src.tar.xz
        dlSubdir: ghc-8.10.3
        dlHash: ccdc8319549028a708d7163e2967382677b1a5a379ff94d948195b5cf46eb931
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -1292,6 +1360,18 @@ ghcupDownloads:
              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.3/ghc-8.10.3-i386-alpine-linux.tar.xz
              dlSubdir: ghc-8.10.3
              dlHash: 309201cdefd2d13b8b3fd09c26c6137048c490d219a0a9c7407c3ce1d011f60c
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-aarch64-deb10-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: a531432d505a1fe886cdc8639d168eb1c92d76464c1270713e01ce81891bbadb
+        A_ARM:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-armv7-deb10-linux.tar.xz
+              dlSubdir: ghc-8.10.3
+              dlHash: b823b58cae36fbac0741680ca7605180fa4cf4c6ae439123d282184b94d32fd6
    8.10.4:
      viTags:
      - Recommended
@@ -1301,6 +1381,8 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-src.tar.xz
        dlSubdir: ghc-8.10.4
        dlHash: 52af871b4e08550257d720c2944ac85727d0b948407cef1bebfe7508c224910e
+      viPostRemove: *ghc-post-remove
+      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:
@@ -1369,6 +1451,18 @@ ghcupDownloads:
              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/8.10.4/ghc-8.10.4-i386-alpine-linux.tar.xz
              dlSubdir: ghc-8.10.4
              dlHash: 9161a98bed763692101854d83af69c1316030cfe5ee6f6acde283d04ef139735
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/8.10.4/ghc-8.10.4-aarch64-deb10-linux.tar.xz
+              dlSubdir: ghc-8.10.4
+              dlHash: 249da6310be799a5eefe0579b6dae1701eb984afb980fe08309d19cf704038ed
+        A_ARM:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              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
    9.0.1:
      viTags:
      - Latest
@@ -1378,6 +1472,7 @@ ghcupDownloads:
        dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-src.tar.xz
        dlSubdir: ghc-9.0.1
        dlHash: a5230314e4065f9fcc371dfe519748fd85c825b279abf72a24e09b83578a35f9
+      viPostRemove: *ghc-post-remove
      viArch:
        A_64:
          Linux_Debian:
@@ -1446,6 +1541,18 @@ ghcupDownloads:
              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/ghc/9.0.1/ghc-9.0.1-i386-alpine-linux.tar.xz
              dlSubdir: ghc-9.0.1
              dlHash: ebfeb3b91e6f2bb5a49fd3376746f7fd1b89e62e9838bf5b1530a8756ff1e6aa
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-aarch64-deb9-linux.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: fac7a0bdfc83c05df94024a2d67b8f00a9cd2733b9cb41fb8ad76be399014906
+        A_ARM:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-armv7-deb9-linux.tar.xz
+              dlSubdir: ghc-9.0.1
+              dlHash: 6f404f9b88468407b3a9ec5800bcc2d01dd453ef3d63414853b4fbbd4d8df496
  Cabal:
    2.4.1.0:
      viTags:
@@ -1575,8 +1682,18 @@ ghcupDownloads:
            unknown_versioning:
              dlUri: https://downloads.haskell.org/ghcup/unofficial-bindists/cabal/3.4.0.0/cabal-install-3.4.0.0-i386-alpine-linux-musl.tar.gz
              dlHash: 95adb65f3a72aa8d9ce83685bc06e1eee5b801f56e204e27e957e8a35abd9cf8
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~cabal/cabal-install-3.4.0.0/cabal-install-3.4.0.0-aarch64-ubuntu-18.04.tar.xz
+              dlHash: 04d378347896dfdc3510b192b97489815cfa5d692f46e2758da0f789e682b8f0
+        A_ARM:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              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:
-    0.1.12:
+    0.1.13:
      viTags:
      - Recommended
      - Latest
@@ -1586,31 +1703,42 @@ ghcupDownloads:
        A_64:
          Linux_UnknownLinux:
            unknown_versioning: &ghcup-64
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.12/x86_64-linux-ghcup-0.1.12
-              dlHash: 83088569ddf2d35df494f440dedd9c8eb2a53276d665f7de731f6554986c2ddb
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.13/x86_64-linux-ghcup-0.1.13
+              dlHash: 674266bb9fa85bbafd3c620c68fae4b3cc62507bd6ad9b116603e860bdee1f5a
          Darwin:
            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.12/x86_64-apple-darwin-ghcup-0.1.12
-              dlHash: 1336efb0851e1ed267838f97f6c36cbceb5363ad0ae359f04f1bc43d0c5f2cef
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.13/x86_64-apple-darwin-ghcup-0.1.13
+              dlHash: 5e45cb0b69cd8ee4f7793b84042d4bd121609fa59531ef760fc98fa10c466e4d
          FreeBSD:
            unknown_versioning:
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.12/x86_64-portbld-freebsd-ghcup-0.1.12
-              dlHash: a72123e972a53d667574c7d276a81842701a07fce2b434e4d856e561c34772fe
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.13/x86_64-portbld-freebsd-ghcup-0.1.13
+              dlHash: 79ce3143a100b60b5294fa831abf091b9699e0bf3addb6c9956de706fc954902
          Linux_Alpine:
            unknown_versioning: *ghcup-64
        A_32:
          Linux_UnknownLinux:
            unknown_versioning: &ghcup-32
-              dlUri: https://downloads.haskell.org/~ghcup/0.1.12/i386-linux-ghcup-0.1.12
-              dlHash: 4bc79a272dfcd16143f08d9f8e33f2fef66dc53f3a0659bdab56ac3cbecf9e84
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.13/i386-linux-ghcup-0.1.13
+              dlHash: 4d7646027215b29384f1409399f66bd348421de8a6d53e47ae47c3b465e18fb0
          Linux_Alpine:
            unknown_versioning: *ghcup-32
+        A_ARM64:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.13/aarch64-linux-ghcup-0.1.13
+              dlHash: c60be7ca13454a9ea5cfe1aacd57809a01605c9533f40a433543d443ac16e439
+        A_ARM:
+          Linux_UnknownLinux:
+            unknown_versioning:
+              dlUri: https://downloads.haskell.org/~ghcup/0.1.13/armv7-linux-ghcup-0.1.13
+              dlHash: d0d047dce694a43ce2872c28ad05b22541c43d6e222eed172b9f909f5dbadb8c
  HLS:
    1.0.0:
      viTags:
        - Recommended
        - Latest
      viChangeLog: https://github.com/haskell/haskell-language-server/blob/master/ChangeLog.md#100
+      viPostInstall: "This is just the server part of your LSP configuration. Consult the README on how to configure HLS, your project and your LSP client in your editor: https://github.com/haskell/haskell-language-server/blob/master/README.md"
      viArch:
        A_64:
          Linux_UnknownLinux:
--- a/ghcup.cabal
+++ b/ghcup.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               ghcup
-version:            0.1.12
+version:            0.1.13
 synopsis:           ghc toolchain installer as an exe/library
 description:
  A rewrite of the shell script ghcup, for providing
@@ -336,11 +336,13 @@ library
    GHCup.Utils.Version.QQ
    GHCup.Version

+  other-modules:
+    Paths_ghcup
+
  default-extensions:
    Strict
    StrictData

-  -- other-modules:
  -- other-extensions:
  hs-source-dirs:  lib

--- a/lib/GHCup/Download.hs
+++ b/lib/GHCup/Download.hs
@@ -137,30 +137,8 @@ getDownloadsF urlSource = do
      bsExt <- reThrowAll DownloadFailed $ downloadBS uri
      ext <- lE' JSONDecodeError $ bimap show id $ Y.decodeEither' (L.toStrict bsExt)
      pure (mergeGhcupInfo base ext)
- where
-  readFromCache :: (MonadIO m, MonadCatch m, MonadLogger m, MonadReader AppState m)
-                => Excepts '[JSONError, FileDoesNotExistError] m GHCupInfo
-  readFromCache = do
-    AppState {dirs = Dirs {..}} <- lift ask
-    lift $ $(logWarn)
-      [i|Could not get download info, trying cached version (this may not be recent!)|]
-    let path = view pathL' ghcupURL
-    yaml_file <- (cacheDir </>) <$> urlBaseName path
-    bs        <-
-      handleIO' NoSuchThing
-                (\_ -> throwE $ FileDoesNotExistError (toFilePath yaml_file))
-      $ liftIO
-      $ readFile yaml_file
-    lE' JSONDecodeError $ bimap show id $ Y.decodeEither' (L.toStrict bs)

-  getBase :: (MonadFail m, MonadIO m, MonadCatch m, MonadLogger m, MonadReader AppState m)
-          => Excepts '[JSONError , FileDoesNotExistError] m GHCupInfo
-  getBase =
-    handleIO (\_ -> readFromCache)
-    $ catchE @_ @'[JSONError, FileDoesNotExistError]
-        (\(DownloadFailed _) -> readFromCache)
-    $ ((reThrowAll @_ @_ @'[JSONError, DownloadFailed] DownloadFailed $ smartDl ghcupURL)
-      >>= (liftE . lE' @_ @_ @'[JSONError] JSONDecodeError . bimap show id . Y.decodeEither' . L.toStrict))
+    where

  mergeGhcupInfo :: GHCupInfo -- ^ base to merge with
                 -> GHCupInfo -- ^ extension overwriting the base
@@ -172,6 +150,32 @@ getDownloadsF urlSource = do
                           ) base
    in GHCupInfo tr new

+
+readFromCache :: (MonadIO m, MonadCatch m, MonadLogger m, MonadReader AppState m)
+              => Excepts '[JSONError, FileDoesNotExistError] m GHCupInfo
+readFromCache = do
+  AppState {dirs = Dirs {..}} <- lift ask
+  lift $ $(logWarn)
+    [i|Could not get download info, trying cached version (this may not be recent!)|]
+  let path = view pathL' ghcupURL
+  yaml_file <- (cacheDir </>) <$> urlBaseName path
+  bs        <-
+    handleIO' NoSuchThing
+              (\_ -> throwE $ FileDoesNotExistError (toFilePath yaml_file))
+    $ liftIO
+    $ readFile yaml_file
+  lE' JSONDecodeError $ bimap show id $ Y.decodeEither' (L.toStrict bs)
+
+
+getBase :: (MonadFail m, MonadIO m, MonadCatch m, MonadLogger m, MonadReader AppState m)
+        => Excepts '[JSONError , FileDoesNotExistError] m GHCupInfo
+getBase =
+  handleIO (\_ -> readFromCache)
+  $ catchE @_ @'[JSONError, FileDoesNotExistError]
+      (\(DownloadFailed _) -> readFromCache)
+  $ ((reThrowAll @_ @_ @'[JSONError, DownloadFailed] DownloadFailed $ smartDl ghcupURL)
+    >>= (liftE . lE' @_ @_ @'[JSONError] JSONDecodeError . bimap show id . Y.decodeEither' . L.toStrict))
+    where
  -- First check if the json file is in the ~/.ghcup/cache dir
  -- and check it's access time. If it has been accessed within the
  -- last 5 minutes, just reuse it.
@@ -209,8 +213,8 @@ getDownloadsF urlSource = do
      then do
        accessTime <-
          PF.accessTimeHiRes
-            <$> (liftIO $ PF.getFileStatus (toFilePath json_file))
-        currentTime <- liftIO $ getPOSIXTime
+            <$> liftIO (PF.getFileStatus (toFilePath json_file))
+        currentTime <- liftIO getPOSIXTime

        -- access time won't work on most linuxes, but we can try regardless
        if (currentTime - accessTime) > 300
--- a/lib/GHCup/Errors.hs
+++ b/lib/GHCup/Errors.hs
@@ -71,6 +71,11 @@ data TagNotFound = TagNotFound Tag Tool
 data VerNotFound = VerNotFound Version Tool
  deriving Show

+-- | Unable to find the next version of a tool (the one after the currently
+-- set one).
+data NextVerNotFound = NextVerNotFound Tool
+  deriving Show
+
 -- | The tool (such as GHC) is already installed with that version.
 data AlreadyInstalled = AlreadyInstalled Tool Version
  deriving Show
@@ -122,6 +127,9 @@ data NoToolRequirements = NoToolRequirements

 data InvalidBuildConfig = InvalidBuildConfig Text
  deriving Show
+ 
+data NoToolVersionSet = NoToolVersionSet Tool
+  deriving Show


    -------------------------
--- a/lib/GHCup/Types.hs
+++ b/lib/GHCup/Types.hs
@@ -106,6 +106,13 @@ data Tag = Latest
         | UnknownTag String  -- ^ used for upwardscompat
         deriving (Ord, Eq, GHC.Generic, Show) -- FIXME: manual JSON instance

+prettyTag :: Tag -> String
+prettyTag Recommended        = "recommended"
+prettyTag Latest             = "latest"
+prettyTag Prerelease         = "prerelease"
+prettyTag (Base       pvp'') = "base-" ++ T.unpack (prettyPVP pvp'')
+prettyTag (UnknownTag t    ) = t
+prettyTag Old                = ""

 data Architecture = A_64
                  | A_32
--- a/lib/GHCup/Utils.hs
+++ b/lib/GHCup/Utils.hs
@@ -808,3 +808,12 @@ getVersionInfo v' tool dls =
    % _head
    )
    dls
+
+
+-- 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 -> \f -> traverseFold f t
--- a/lib/GHCup/Utils/Dirs.hs
+++ b/lib/GHCup/Utils/Dirs.hs
@@ -185,9 +185,9 @@ getDirs = do
 ghcupConfigFile :: (MonadIO m)
                => Excepts '[JSONError] m UserSettings
 ghcupConfigFile = do
-  confDir <- liftIO $ ghcupConfigDir
+  confDir <- liftIO ghcupConfigDir
  let file = confDir </> [rel|config.yaml|]
-  bs <- liftIO $ handleIO' NoSuchThing (\_ -> pure $ Nothing) $ fmap Just $ readFile file 
+  bs <- liftIO $ handleIO' NoSuchThing (\_ -> pure Nothing) $ Just <$> readFile file
  case bs of
      Nothing -> pure defaultUserSettings
      Just bs' -> lE' JSONDecodeError . bimap show id . Y.decodeEither' . L.toStrict $ bs'
--- a/lib/GHCup/Version.hs
+++ b/lib/GHCup/Version.hs
@@ -12,13 +12,15 @@ Portability : POSIX
 -}
 module GHCup.Version where

-import           GHCup.Utils.Version.QQ
 import           GHCup.Types
+import           Paths_ghcup (version)

-import           Data.Versions
+import           Data.Version (Version(versionBranch))
+import           Data.Versions hiding (version)
 import           URI.ByteString
 import           URI.ByteString.QQ

+import qualified Data.List.NonEmpty            as NE
 import qualified Data.Text                     as T

 -- | This reflects the API version of the YAML.
@@ -27,7 +29,7 @@ ghcupURL = [uri|https://www.haskell.org/ghcup/data/ghcup-0.0.4.yaml|]

 -- | The current ghcup version.
 ghcUpVer :: PVP
-ghcUpVer = [pver|0.1.12|]
+ghcUpVer = PVP . NE.fromList . fmap fromIntegral $ versionBranch version

 -- | ghcup version as numeric string.
 numericVer :: String
Author	SHA1	Message	Date
Julian Ospald	6eb7d89488	Add some fancy messages	2021-02-26 19:54:24 +01:00
Julian Ospald	825a2af379	Use streamly-0.7.3	2021-02-26 16:59:01 +01:00
Julian Ospald	08943dadca	Fix validation	2021-02-26 16:06:08 +01:00
Julian Ospald	7fac7226c5	Update ghcup	2021-02-26 15:38:35 +01:00
Julian Ospald	9686c8ebf9	Update changelog	2021-02-26 11:53:57 +01:00
Julian Ospald	4bf96d0ec9	Revert version bump in bootstrap script	2021-02-25 19:19:53 +01:00
Julian Ospald	34add82bee	Merge branch 'PR/issue-114'	2021-02-25 19:18:13 +01:00
Julian Ospald	f46e7e8c4b	Add "ghcup set ghc next" tag wrt #114	2021-02-25 19:10:55 +01:00
Julian Ospald	3baf254251	Improve tag completer	2021-02-25 16:13:00 +01:00
Julian Ospald	10ca9ea827	Reformat versionCompleter	2021-02-25 15:52:28 +01:00
Julian Ospald	4a50c8ecb7	Remove network call on shell completion	2021-02-25 15:46:08 +01:00
Julian Ospald	47d9766c78	Make sure forFold can properly inline	2021-02-25 15:40:52 +01:00
Julian Ospald	45ab69960f	Merge remote-tracking branch 'origin/merge-requests/70'	2021-02-25 15:36:37 +01:00
Julian Ospald	d3505d4ee6	Bump version to 0.1.13	2021-02-25 15:33:52 +01:00
Julian Ospald	9297d1a2f8	Merge branch 'arm'	2021-02-25 14:22:59 +01:00
Julian Ospald	56feb7c09e	Use stages in CI	2021-02-25 14:14:01 +01:00
Julian Ospald	bede4b8712	Merge branch 'www-fix-silicon-copy'	2021-02-25 13:33:11 +01:00
Julian Ospald	f547a6eb68	Support ARM/AARCH	2021-02-25 11:53:36 +01:00
Huw campbell	453a29fdf7	Respect the user's configuration settings Only lookup user configuration before doing a search; implement version completion for Cabal and HLS removal	2021-02-25 16:31:40 +11:00
Huw campbell	1a5f0259f4	Just use the cache for commands which refer to locally stored objects. Setting a version of GHC will fail if provided with a version not installed, and we don't neede to check the most recent list of GHCs available to know that.	2021-02-25 10:19:16 +11:00
Huw campbell	d6fa61e223	Add command line completions for installed and available versions. When running `ghcup set ghc` and pressing tab, one should be able to autocomplete the currently installed GHCs we have available. Add an optparse applicative completer for install, rm, and set commands which shows tags and versions. For installation, all are shown; while for remove and set, only those installed are.	2021-02-25 00:42:16 +11:00