713 lines
19 KiB
Bash
Executable File
713 lines
19 KiB
Bash
Executable File
#!/bin/sh
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# This script downloads the 'ghcup' binary into '~/.ghcup/bin/' and then runs an interactive
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# installation that lets you choose various options. Below is a list of environment variables
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# that affect the installation procedure.
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# Main settings:
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# * BOOTSTRAP_HASKELL_NONINTERACTIVE - any nonzero value for noninteractive installation
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# * BOOTSTRAP_HASKELL_NO_UPGRADE - any nonzero value to not trigger the upgrade
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# * BOOTSTRAP_HASKELL_MINIMAL - any nonzero value to only install ghcup
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# * GHCUP_USE_XDG_DIRS - any nonzero value to respect The XDG Base Directory Specification
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# * BOOTSTRAP_HASKELL_VERBOSE - any nonzero value for more verbose installation
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# * BOOTSTRAP_HASKELL_GHC_VERSION - the ghc version to install
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# * BOOTSTRAP_HASKELL_CABAL_VERSION - the cabal version to install
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# * BOOTSTRAP_HASKELL_INSTALL_STACK - whether to install latest stack
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# * BOOTSTRAP_HASKELL_INSTALL_HLS - whether to install latest hls
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# * BOOTSTRAP_HASKELL_ADJUST_BASHRC - whether to adjust PATH in bashrc (prepend)
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# * BOOTSTRAP_HASKELL_ADJUST_CABAL_CONFIG - whether to adjust mingw paths in cabal.config on windows
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# License: LGPL-3.0
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# safety subshell to avoid executing anything in case this script is not downloaded properly
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(
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plat="$(uname -s)"
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arch=$(uname -m)
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ghver="0.1.17.2"
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base_url="https://downloads.haskell.org/~ghcup"
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export GHCUP_SKIP_UPDATE_CHECK=yes
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case "${plat}" in
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MSYS*|MINGW*)
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: "${GHCUP_INSTALL_BASE_PREFIX:=/c}"
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GHCUP_DIR=$(cygpath -u "${GHCUP_INSTALL_BASE_PREFIX}/ghcup")
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GHCUP_BIN=$(cygpath -u "${GHCUP_INSTALL_BASE_PREFIX}/ghcup/bin")
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: "${GHCUP_MSYS2:=${GHCUP_DIR}/msys64}"
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;;
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*)
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: "${GHCUP_INSTALL_BASE_PREFIX:=$HOME}"
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export GHCUP_USE_XDG_DIRS
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if [ -n "${GHCUP_USE_XDG_DIRS}" ] ; then
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GHCUP_DIR=${XDG_DATA_HOME:=$HOME/.local/share}/ghcup
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GHCUP_BIN=${XDG_BIN_HOME:=$HOME/.local/bin}
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else
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GHCUP_DIR=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup
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GHCUP_BIN=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup/bin
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fi
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;;
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esac
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: "${BOOTSTRAP_HASKELL_GHC_VERSION:=recommended}"
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: "${BOOTSTRAP_HASKELL_CABAL_VERSION:=recommended}"
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die() {
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if [ -n "${NO_COLOR}" ] ; then
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(>&2 printf "%s\\n" "$1")
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else
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(>&2 printf "\\033[0;31m%s\\033[0m\\n" "$1")
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fi
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exit 2
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}
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warn() {
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if [ -n "${NO_COLOR}" ] ; then
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printf "%s\\n" "$1"
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else
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case "${plat}" in
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MSYS*|MINGW*)
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# shellcheck disable=SC3037
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echo -e "\\033[0;35m$1\\033[0m"
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;;
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*)
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printf "\\033[0;35m%s\\033[0m\\n" "$1"
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;;
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esac
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fi
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}
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yellow() {
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if [ -n "${NO_COLOR}" ] ; then
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printf "%s\\n" "$1"
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else
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case "${plat}" in
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MSYS*|MINGW*)
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# shellcheck disable=SC3037
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echo -e "\\033[0;33m$1\\033[0m"
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;;
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*)
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printf "\\033[0;33m%s\\033[0m\\n" "$1"
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;;
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esac
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fi
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}
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green() {
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if [ -n "${NO_COLOR}" ] ; then
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printf "%s\\n" "$1"
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else
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case "${plat}" in
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MSYS*|MINGW*)
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# shellcheck disable=SC3037
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echo -e "\\033[0;32m$1\\033[0m"
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;;
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*)
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printf "\\033[0;32m%s\\033[0m\\n" "$1"
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;;
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esac
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fi
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}
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edo() {
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"$@" || die "\"$*\" failed!"
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}
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eghcup() {
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edo _eghcup "$@"
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}
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_eghcup() {
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if [ -n "${BOOTSTRAP_HASKELL_YAML}" ] ; then
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args="-s ${BOOTSTRAP_HASKELL_YAML}"
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fi
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if [ -z "${BOOTSTRAP_HASKELL_VERBOSE}" ] ; then
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# shellcheck disable=SC2086
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"${GHCUP_BIN}/ghcup" ${args} "$@"
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else
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# shellcheck disable=SC2086
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"${GHCUP_BIN}/ghcup" ${args} --verbose "$@"
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fi
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}
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_done() {
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echo
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echo "==============================================================================="
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case "${plat}" in
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MSYS*|MINGW*)
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green
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green "All done!"
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green
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green "In a new powershell or cmd.exe session, now you can..."
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green
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green "Start a simple repl via:"
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green " ghci"
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green
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green "Start a new haskell project in the current directory via:"
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green " cabal init --interactive"
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green
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green "Install other GHC versions and tools via:"
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green " ghcup list"
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green " ghcup install <tool> <version>"
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green
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green "To install system libraries and update msys2/mingw64,"
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green "open the \"Mingw haskell shell\""
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green "and the \"Mingw package management docs\""
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green "desktop shortcuts."
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;;
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*)
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green
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green "All done!"
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green
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green "To start a simple repl, run:"
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green " ghci"
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green
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green "To start a new haskell project in the current directory, run:"
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green " cabal init --interactive"
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green
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green "To install other GHC versions and tools, run:"
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green " ghcup tui"
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;;
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esac
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exit 0
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}
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download_ghcup() {
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case "${plat}" in
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"linux"|"Linux")
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case "${arch}" in
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x86_64|amd64)
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# we could be in a 32bit docker container, in which
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# case uname doesn't give us what we want
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if [ "$(getconf LONG_BIT)" = "32" ] ; then
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_url=${base_url}/${ghver}/i386-linux-ghcup-${ghver}
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elif [ "$(getconf LONG_BIT)" = "64" ] ; then
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_url=${base_url}/${ghver}/x86_64-linux-ghcup-${ghver}
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else
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die "Unknown long bit size: $(getconf LONG_BIT)"
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fi
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;;
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i*86)
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_url=${base_url}/${ghver}/i386-linux-ghcup-${ghver}
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;;
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armv7*)
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_url=${base_url}/${ghver}/armv7-linux-ghcup-${ghver}
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;;
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aarch64|arm64|armv8l)
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# we could be in a 32bit docker container, in which
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# case uname doesn't give us what we want
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if [ "$(getconf LONG_BIT)" = "32" ] ; then
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_url=${base_url}/${ghver}/armv7-linux-ghcup-${ghver}
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elif [ "$(getconf LONG_BIT)" = "64" ] ; then
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_url=${base_url}/${ghver}/aarch64-linux-ghcup-${ghver}
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else
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die "Unknown long bit size: $(getconf LONG_BIT)"
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fi
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;;
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*) die "Unknown architecture: ${arch}"
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;;
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esac
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;;
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"FreeBSD"|"freebsd")
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if freebsd-version | grep -E '^12.*' ; then
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freebsd_ver=12
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elif freebsd-version | grep -E '^13.*' ; then
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freebsd_ver=13
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else
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die "Unsupported FreeBSD version! Please report a bug at https://gitlab.haskell.org/haskell/ghcup-hs/-/issues"
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fi
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case "${arch}" in
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x86_64|amd64)
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;;
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i*86)
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die "i386 currently not supported!"
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;;
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*) die "Unknown architecture: ${arch}"
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;;
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esac
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_url=${base_url}/${ghver}/x86_64-portbld-freebsd${freebsd_ver}-ghcup-${ghver}
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;;
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"Darwin"|"darwin")
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case "${arch}" in
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x86_64|amd64)
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_url=${base_url}/${ghver}/x86_64-apple-darwin-ghcup-${ghver}
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;;
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aarch64|arm64|armv8l)
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_url=${base_url}/${ghver}/aarch64-apple-darwin-ghcup-${ghver}
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;;
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i*86)
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die "i386 currently not supported!"
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;;
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*) die "Unknown architecture: ${arch}"
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;;
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esac
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;;
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MSYS*|MINGW*)
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case "${arch}" in
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x86_64|amd64)
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_url=${base_url}/${ghver}/x86_64-mingw64-ghcup-${ghver}.exe
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;;
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*) die "Unknown architecture: ${arch}"
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;;
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esac
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;;
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*) die "Unknown platform: ${plat}"
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;;
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esac
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case "${plat}" in
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MSYS*|MINGW*)
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edo curl -Lf "${_url}" > "${GHCUP_BIN}"/ghcup.exe
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edo chmod +x "${GHCUP_BIN}"/ghcup.exe
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;;
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*)
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edo curl -Lf "${_url}" > "${GHCUP_BIN}"/ghcup
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edo chmod +x "${GHCUP_BIN}"/ghcup
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;;
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esac
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edo mkdir -p "${GHCUP_DIR}"
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# we may overwrite this in adjust_bashrc
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cat <<-EOF > "${GHCUP_DIR}"/env || die "Failed to create env file"
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export PATH="\$HOME/.cabal/bin:${GHCUP_BIN}:\$PATH"
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EOF
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# shellcheck disable=SC1090
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edo . "${GHCUP_DIR}"/env
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eghcup upgrade
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}
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# Figures out the users login shell and sets
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# GHCUP_PROFILE_FILE and MY_SHELL variables.
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find_shell() {
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case $SHELL in
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*/zsh) # login shell is zsh
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GHCUP_PROFILE_FILE="$HOME/.zshrc"
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MY_SHELL="zsh" ;;
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*/bash) # login shell is bash
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GHCUP_PROFILE_FILE="$HOME/.bashrc"
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MY_SHELL="bash" ;;
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*/sh) # login shell is sh, but might be a symlink to bash or zsh
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if [ -n "${BASH}" ] ; then
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GHCUP_PROFILE_FILE="$HOME/.bashrc"
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MY_SHELL="bash"
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elif [ -n "${ZSH_VERSION}" ] ; then
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GHCUP_PROFILE_FILE="$HOME/.zshrc"
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MY_SHELL="zsh"
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else
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return
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fi
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;;
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*/fish) # login shell is fish
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GHCUP_PROFILE_FILE="$HOME/.config/fish/config.fish"
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MY_SHELL="fish" ;;
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*) return ;;
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esac
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}
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# Ask user if they want to adjust the bashrc.
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ask_bashrc() {
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if [ -n "${BOOTSTRAP_HASKELL_ADJUST_BASHRC}" ] ; then
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return 1
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elif [ -z "${MY_SHELL}" ] ; then
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return 0
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fi
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while true; do
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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echo "-------------------------------------------------------------------------------"
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warn ""
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warn "Detected ${MY_SHELL} shell on your system..."
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warn "Do you want ghcup to automatically add the required PATH variable to \"${GHCUP_PROFILE_FILE}\"?"
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warn ""
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warn "[P] Yes, prepend [A] Yes, append [N] No [?] Help (default is \"P\")."
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warn ""
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read -r bashrc_answer </dev/tty
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else
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return 0
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fi
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case $bashrc_answer in
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[Pp]* | "")
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return 1
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;;
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[Aa]*)
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return 2
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;;
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[Nn]*)
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return 0;;
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*)
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echo "Possible choices are:"
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echo
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echo "P - Yes, prepend to PATH, taking precedence (default)"
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echo "A - Yes, append to PATH"
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echo "N - No, don't mess with my configuration"
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echo
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echo "Please make your choice and press ENTER."
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;;
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esac
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done
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unset bashrc_answer
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}
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# Needs 'find_shell' to be called beforehand.
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adjust_bashrc() {
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case $1 in
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1)
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cat <<-EOF > "${GHCUP_DIR}"/env || die "Failed to create env file"
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export PATH="\$HOME/.cabal/bin:${GHCUP_BIN}:\$PATH"
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EOF
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;;
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2)
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cat <<-EOF > "${GHCUP_DIR}"/env || die "Failed to create env file"
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export PATH="\$PATH:\$HOME/.cabal/bin:${GHCUP_BIN}"
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EOF
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;;
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*) ;;
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esac
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case $1 in
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1 | 2)
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case $MY_SHELL in
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"")
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warn_path "Couldn't figure out login shell!"
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return
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;;
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fish)
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mkdir -p "${GHCUP_PROFILE_FILE%/*}"
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
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case $1 in
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1)
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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}"
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;;
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2)
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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}"
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;;
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esac
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;;
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bash)
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
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echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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case "${plat}" in
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"Darwin"|"darwin")
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if ! grep -q "ghcup-env" "${HOME}/.bash_profile" ; then
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echo "[[ -f ~/.bashrc ]] && source ~/.bashrc # ghcup-env" >> "${HOME}/.bash_profile"
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fi
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;;
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MSYS*|MINGW*)
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if [ ! -e "${HOME}/.bash_profile" ] ; then
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echo '# generated by ghcup' > "${HOME}/.bash_profile"
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echo 'test -f ~/.profile && . ~/.profile' >> "${HOME}/.bash_profile"
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echo 'test -f ~/.bashrc && . ~/.bashrc' >> "${HOME}/.bash_profile"
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fi
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;;
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esac
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;;
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zsh)
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
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echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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;;
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esac
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echo
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echo "==============================================================================="
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echo
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warn "OK! ${GHCUP_PROFILE_FILE} has been modified. Restart your terminal for the changes to take effect,"
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warn "or type \"source ${GHCUP_DIR}/env\" to apply them in your current terminal session."
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return
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;;
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*)
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warn_path
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;;
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esac
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}
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warn_path() {
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echo
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echo "==============================================================================="
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echo
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[ -n "$1" ] && warn "$1"
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yellow "In order to run ghc and cabal, you need to adjust your PATH variable."
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yellow "To do so, you may want to run 'source $GHCUP_DIR/env' in your current terminal"
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yellow "session as well as your shell configuration (e.g. ~/.bashrc)."
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}
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adjust_cabal_config() {
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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
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}
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ask_cabal_config_init() {
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case "${plat}" in
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MSYS*|MINGW*)
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if [ -n "${BOOTSTRAP_HASKELL_ADJUST_CABAL_CONFIG}" ] ; then
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return 1
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fi
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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echo "-------------------------------------------------------------------------------"
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warn "Create an initial cabal.config including relevant msys2 paths (recommended)?"
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warn "[Y] Yes [N] No [?] Help (default is \"Y\")."
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echo
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while true; do
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read -r mingw_answer </dev/tty
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case $mingw_answer in
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[Yy]* | "")
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return 1 ;;
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[Nn]*)
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return 0 ;;
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*)
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echo "Possible choices are:"
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echo
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echo "Y - Yes, create a cabal.config with pre-set paths to msys2/mingw64 (default)"
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echo "N - No, leave the current/default cabal config untouched"
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echo
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echo "Please make your choice and press ENTER."
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;;
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esac
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done
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else
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return 1
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fi
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;;
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esac
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unset mingw_answer
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return 0
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}
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do_cabal_config_init() {
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case "${plat}" in
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MSYS*|MINGW*)
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case $1 in
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1)
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adjust_cabal_config
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;;
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0)
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echo "Make sure that your global cabal.config references the correct mingw64 paths (extra-prog-path, extra-include-dirs and extra-lib-dirs)."
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echo "And set the environment variable GHCUP_MSYS2 to the root path of your msys2 installation."
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sleep 5
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return ;;
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*) ;;
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esac
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esac
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}
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|
ask_hls() {
|
|
if [ -n "${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=$?
|
|
ask_cabal_config_init
|
|
ask_cabal_config_init_answer=$?
|
|
if [ -z "${BOOTSTRAP_HASKELL_MINIMAL}" ] ; then
|
|
ask_hls
|
|
ask_hls_answer=$?
|
|
ask_stack
|
|
ask_stack_answer=$?
|
|
fi
|
|
|
|
edo mkdir -p "${GHCUP_BIN}"
|
|
|
|
if command -V "ghcup" >/dev/null 2>&1 ; then
|
|
if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then
|
|
_eghcup upgrade || download_ghcup
|
|
fi
|
|
else
|
|
download_ghcup
|
|
fi
|
|
|
|
echo
|
|
if [ -n "${BOOTSTRAP_HASKELL_YAML}" ] ; then (>&2 ghcup -s "${BOOTSTRAP_HASKELL_YAML}" tool-requirements) ; else (>&2 ghcup tool-requirements) ; fi
|
|
echo
|
|
|
|
if [ -z "${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
|
|
|
|
if [ -z "${BOOTSTRAP_HASKELL_MINIMAL}" ] ; then
|
|
eghcup --cache install ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
|
|
|
|
eghcup set ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
|
|
eghcup --cache install cabal "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
|
|
|
|
do_cabal_config_init $ask_cabal_config_init_answer
|
|
|
|
edo cabal new-update
|
|
else # don't install ghc and cabal
|
|
case "${plat}" in
|
|
MSYS*|MINGW*)
|
|
# need to bootstrap cabal to initialize config on windows
|
|
# we'll remove it afterwards
|
|
tmp_dir="$(mktemp -d)"
|
|
eghcup --cache install cabal -i "${tmp_dir}" "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
|
|
PATH="${tmp_dir}:$PATH" do_cabal_config_init $ask_cabal_config_init_answer
|
|
rm "${tmp_dir}/cabal"
|
|
unset tmp_dir
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
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
|
|
|
|
|
|
adjust_bashrc $ask_bashrc_answer
|
|
|
|
|
|
_done
|
|
|
|
)
|
|
|
|
# vim: tabstop=4 shiftwidth=4 expandtab
|