465 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			465 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/sh
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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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#   * 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
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#   * BOOTSTRAP_HASKELL_CABAL_VERSION
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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="0.1.15.2"
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base_url="https://downloads.haskell.org/~ghcup"
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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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    (>&2 printf "\\033[0;31m%s\\033[0m\\n" "$1")
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    exit 2
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}
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warn() {
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	case "${plat}" in
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			MSYS*|MINGW*)
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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" "$1"
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				;;
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	esac
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}
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edo() {
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    "$@" || 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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        "${GHCUP_BIN}/ghcup" ${args} "$@"
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    else
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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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	case "${plat}" in
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			MSYS*|MINGW*)
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				echo
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				echo "All done!"
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				echo
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				echo "In a new powershell or cmd.exe session, now you can..."
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				echo
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				echo "Start a simple repl via:"
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				echo "  ghci"
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				echo
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				echo "Start a new haskell project in the current directory via:"
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				echo "  cabal init --interactive"
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				echo
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				echo "Install other GHC versions and tools via:"
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				echo "  ghcup list"
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				echo "  ghcup install <tool> <version>"
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				echo
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				echo "To install system libraries and update msys2/mingw64,"
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				echo "open the \"Mingw haskell shell\""
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				echo "and the \"Mingw package management docs\""
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				echo "desktop shortcuts."
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				;;
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			*)
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				echo
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				echo "All done!"
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				echo
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				echo "To start a simple repl, run:"
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				echo "  ghci"
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				echo
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				echo "To start a new haskell project in the current directory, run:"
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				echo "  cabal init --interactive"
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				echo
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				echo "To install other GHC versions and tools, run:"
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				echo "  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-${ghver}
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					;;
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				aarch64|arm64|armv8l)
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					_url=${base_url}/${ghver}/aarch64-linux-ghcup-${ghver}
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					;;
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				*) die "Unknown architecture: ${arch}"
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					;;
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			esac
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			;;
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        "FreeBSD"|"freebsd")
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			case "${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}/${ghver}/x86_64-portbld-freebsd-ghcup-${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 "${GHCUP_DIR}"
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	cat <<-EOF > "${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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echo
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echo "Welcome to Haskell!"
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echo
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echo "This script will download and install the following binaries:"
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echo "  * ghcup - The Haskell toolchain installer"
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echo "  * ghc   - The Glasgow Haskell Compiler"
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echo "  * cabal - The Cabal build tool for managing Haskell software"
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echo "  * stack - (optional) A cross-platform program for developing Haskell projects"
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echo "  * hls   - (optional) A language server for developers to integrate with their editor/IDE"
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echo
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if [ -z "${GHCUP_USE_XDG_DIRS}" ] ; then
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	echo "ghcup installs only into the following directory,"
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    echo "which can be removed anytime:"
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	case "${plat}" in
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			MSYS*|MINGW*)
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				echo "  $(cygpath -w "$GHCUP_DIR")"
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				;;
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			*)
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				echo "  $GHCUP_DIR"
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				;;
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	esac
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else
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	echo "ghcup installs into XDG directories as long as"
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    echo "'GHCUP_USE_XDG_DIRS' is set."
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fi
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echo
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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    warn "Press ENTER to proceed or ctrl-c to abort."
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    warn "Note that this script can be re-run at any given time."
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    echo
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    # Wait for user input to continue.
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    # shellcheck disable=SC2034
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    read -r answer </dev/tty
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fi
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edo mkdir -p "${GHCUP_BIN}"
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if command -V "ghcup" >/dev/null 2>&1 ; then
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    if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then
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        _eghcup upgrade || download_ghcup
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    fi
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else
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	download_ghcup
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fi
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echo
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echo "$(if [ -n "${BOOTSTRAP_HASKELL_YAML}" ] ; then ghcup -s "${BOOTSTRAP_HASKELL_YAML}" tool-requirements ; else ghcup tool-requirements ; fi)"
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echo
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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    warn "Press ENTER to proceed or ctrl-c to abort."
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    warn "Installation may take a while."
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    echo
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    # Wait for user input to continue.
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    # shellcheck disable=SC2034
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    read -r answer </dev/tty
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fi
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eghcup --cache install ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
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eghcup set ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
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eghcup --cache install cabal "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
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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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case "${plat}" in
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        MSYS*|MINGW*)
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			if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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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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							adjust_cabal_config
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							break ;;
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						[Nn]*)
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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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							break ;;
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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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				adjust_cabal_config
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			fi
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			;;
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esac
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edo cabal new-update
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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	warn "Do you want to install haskell-language-server (HLS) now?"
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	warn "HLS is a language-server that provides IDE-like functionality"
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	warn "and can integrate with different editors, such as Vim, Emacs, VS Code, Atom, ..."
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	warn "Also see https://github.com/haskell/haskell-language-server/blob/master/README.md"
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	warn ""
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	warn "[Y] Yes  [N] No  [?] Help (default is \"N\")."
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	warn ""
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	while true; do
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		read -r hls_answer </dev/tty
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		case $hls_answer in
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			[Yy]*)
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				eghcup --cache install hls || warn "HLS installation failed, continuing anyway"
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				break ;;
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			[Nn]* | "")
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				break ;;
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			*)
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				echo "Possible choices are:"
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				echo
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				echo "Y - Yes, install the haskell-langauge-server"
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				echo "N - No, don't install anything more (default)"
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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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	warn "Do you want to install stack now?"
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	warn "Stack is a haskell build tool similar to cabal that is used by some projects."
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	warn "Also see https://docs.haskellstack.org/"
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	warn ""
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	warn "[Y] Yes  [N] No  [?] Help (default is \"N\")."
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	warn ""
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	while true; do
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		read -r stack_answer </dev/tty
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		case $stack_answer in
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			[Yy]*)
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				eghcup --cache install stack || warn "Stack installation failed, continuing anyway"
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				break ;;
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			[Nn]* | "")
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				break ;;
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			*)
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				echo "Possible choices are:"
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				echo
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				echo "Y - Yes, install stack"
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				echo "N - No, don't install anything more (default)"
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				echo
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				echo "Please make your choice and press ENTER."
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				;;
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		esac
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	done
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    echo "In order to run ghc and cabal, you need to adjust your PATH variable."
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    echo "You may want to source '$GHCUP_DIR/env' in your shell"
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    echo "configuration to do so (e.g. ~/.bashrc)."
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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="$HOME/.zshrc"
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				MY_SHELL="zsh"
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			else
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			    _done
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			fi
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			;;
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		*/fish) # login shell is fish
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			GHCUP_PROFILE_FILE="$HOME/.config/fish/config.fish"
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			MY_SHELL="fish" ;;
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						|
		*) _done ;;
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	esac
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	warn ""
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	warn "Detected ${MY_SHELL} shell on your system..."
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	warn "If you want ghcup to automatically add the required PATH variable to \"${GHCUP_PROFILE_FILE}\""
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	warn ""
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	warn "[Y] Yes  [N] No  [?] Help (default is \"Y\")."
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	warn ""
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						|
    while true; do
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        read -r next_answer </dev/tty
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        case $next_answer in
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            [Nn]*)
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                _done ;;
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            [Yy]* | "")
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				case $MY_SHELL in
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					"") break ;;
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						|
					fish)
 | 
						|
							mkdir -p "${GHCUP_PROFILE_FILE%/*}"
 | 
						|
							sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
 | 
						|
							echo "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME ; test -f $GHCUP_DIR/env ; and set -gx PATH \$HOME/.cabal/bin $GHCUP_BIN \$PATH # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
 | 
						|
						break ;;
 | 
						|
					bash)
 | 
						|
						sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
 | 
						|
						echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
 | 
						|
						case "${plat}" in
 | 
						|
							"Darwin"|"darwin")
 | 
						|
								if ! grep -q "ghcup-env" "${HOME}/.bash_profile" ; then
 | 
						|
									echo "[[ -f ~/.bashrc ]] && source ~/.bashrc # ghcup-env" >> "${HOME}/.bash_profile"
 | 
						|
								fi
 | 
						|
								;;
 | 
						|
						esac
 | 
						|
						break ;;
 | 
						|
 | 
						|
					zsh)
 | 
						|
						sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
 | 
						|
						echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
 | 
						|
						break ;;
 | 
						|
				esac
 | 
						|
                warn "OK! ${GHCUP_PROFILE_FILE} has been modified. Restart your terminal for the changes to take effect,"
 | 
						|
                warn "or type \"source ${GHCUP_DIR}/env\" to apply them in your current terminal session."
 | 
						|
				_done
 | 
						|
                ;;
 | 
						|
			*)
 | 
						|
				echo "Possible choices are:"
 | 
						|
				echo
 | 
						|
				echo "Y - Yes, update my \"${GHCUP_PROFILE_FILE}\" (default)"
 | 
						|
				echo "N - No, don't mess with my configuration"
 | 
						|
				echo
 | 
						|
				echo "Please make your choice and press ENTER."
 | 
						|
				;;
 | 
						|
        esac
 | 
						|
    done
 | 
						|
fi
 | 
						|
 | 
						|
_done
 | 
						|
 | 
						|
)
 | 
						|
 | 
						|
# vim: tabstop=4 shiftwidth=4 expandtab
 | 
						|
 |