ghcup-hs/bootstrap-haskell

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#!/bin/sh
# Main settings:
# * BOOTSTRAP_HASKELL_NONINTERACTIVE - any nonzero value for noninteractive installation
# * BOOTSTRAP_HASKELL_NO_UPGRADE - any nonzero value to not trigger the upgrade
# * GHCUP_USE_XDG_DIRS - any nonzero value to respect The XDG Base Directory Specification
# * BOOTSTRAP_HASKELL_VERBOSE - any nonzero value for more verbose installation
# * BOOTSTRAP_HASKELL_GHC_VERSION
# * BOOTSTRAP_HASKELL_CABAL_VERSION
# 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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plat="$(uname -s)"
arch=$(uname -m)
ghver="0.1.14.1"
base_url="https://downloads.haskell.org/~ghcup"
case "${plat}" in
MSYS*|MINGW*)
: "${GHCUP_INSTALL_BASE_PREFIX:=/c}"
GHCUP_DIR=${GHCUP_INSTALL_BASE_PREFIX}/ghcup
GHCUP_BIN=${GHCUP_INSTALL_BASE_PREFIX}/ghcup/bin
;;
*)
: "${GHCUP_INSTALL_BASE_PREFIX:=$HOME}"
export GHCUP_USE_XDG_DIRS
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if [ -n "${GHCUP_USE_XDG_DIRS}" ] ; then
GHCUP_DIR=${XDG_DATA_HOME:=$HOME/.local/share}/ghcup
GHCUP_BIN=${XDG_BIN_HOME:=$HOME/.local/bin}
else
GHCUP_DIR=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup
GHCUP_BIN=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup/bin
fi
;;
esac
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: "${BOOTSTRAP_HASKELL_GHC_VERSION:=recommended}"
: "${BOOTSTRAP_HASKELL_CABAL_VERSION:=recommended}"
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die() {
(>&2 printf "\\033[0;31m%s\\033[0m\\n" "$1")
exit 2
}
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warn() {
case "${plat}" in
MSYS*|MINGW*)
echo -e "\\033[0;35m$1\\033[0m"
;;
*)
printf "\\033[0;35m%s\\033[0m\\n" "$1"
;;
esac
}
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edo() {
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"$@" || die "\"$*\" failed!"
}
eghcup() {
edo _eghcup "$@"
}
_eghcup() {
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if [ -n "${BOOTSTRAP_HASKELL_YAML}" ] ; then
args="-s ${BOOTSTRAP_HASKELL_YAML}"
fi
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if [ -z "${BOOTSTRAP_HASKELL_VERBOSE}" ] ; then
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ghcup ${args} "$@"
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else
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ghcup ${args} --verbose "$@"
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fi
}
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_done() {
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case "${plat}" in
MSYS*|MINGW*)
echo
echo "All done!"
echo
echo "In a new powershell or cmd.exe session, now you can..."
echo
echo "Start a simple repl via:"
echo " ghci"
echo
echo "Start a new haskell project in the current directory via:"
echo " cabal init --interactive"
echo
echo "Install other GHC versions and tools via:"
echo " ghcup list"
echo " ghcup install <tool> <version>"
echo
echo "To install system libraries and update msys2/mingw64,"
echo "open the \"Mingw haskell shell\""
echo "and the \"Mingw package management docs\""
echo "desktop shortcuts."
;;
*)
echo
echo "All done!"
echo
echo "To start a simple repl, run:"
echo " ghci"
echo
echo "To start a new haskell project in the current directory, run:"
echo " cabal init --interactive"
echo
echo "To install other GHC versions and tools, run:"
echo " ghcup tui"
;;
esac
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exit 0
}
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download_ghcup() {
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case "${plat}" in
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"linux"|"Linux")
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case "${arch}" in
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x86_64|amd64)
# we could be in a 32bit docker container, in which
# case uname doesn't give us what we want
if [ "$(getconf LONG_BIT)" = "32" ] ; then
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_url=${base_url}/${ghver}/i386-linux-ghcup-${ghver}
elif [ "$(getconf LONG_BIT)" = "64" ] ; then
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_url=${base_url}/${ghver}/x86_64-linux-ghcup-${ghver}
else
die "Unknown long bit size: $(getconf LONG_BIT)"
fi
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;;
i*86)
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_url=${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-${ghver}
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;;
aarch64|arm64|armv8l)
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_url=${base_url}/${ghver}/aarch64-linux-ghcup-${ghver}
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;;
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*) die "Unknown architecture: ${arch}"
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;;
esac
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;;
"FreeBSD"|"freebsd")
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case "${arch}" in
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x86_64|amd64)
;;
i*86)
die "i386 currently not supported!"
;;
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*) die "Unknown architecture: ${arch}"
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;;
esac
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_url=${base_url}/${ghver}/x86_64-portbld-freebsd-ghcup-${ghver}
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;;
"Darwin"|"darwin")
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case "${arch}" in
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x86_64|amd64)
;;
i*86)
die "i386 currently not supported!"
;;
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*) die "Unknown architecture: ${arch}"
;;
esac
_url=${base_url}/${ghver}/x86_64-apple-darwin-ghcup-${ghver} ;;
MSYS*|MINGW*)
case "${arch}" in
x86_64|amd64)
_url=https://downloads.haskell.org/~ghcup/tmp/x86_64-mingw64-ghcup-7.exe
;;
*) die "Unknown architecture: ${arch}"
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;;
esac
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;;
*) die "Unknown platform: ${plat}"
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;;
esac
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case "${plat}" in
MSYS*|MINGW*)
edo curl -Lf "${_url}" > "${GHCUP_BIN}"/ghcup.exe
edo chmod +x "${GHCUP_BIN}"/ghcup.exe
;;
*)
edo curl -Lf "${_url}" > "${GHCUP_BIN}"/ghcup
edo chmod +x "${GHCUP_BIN}"/ghcup
;;
esac
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edo mkdir -p "${GHCUP_DIR}"
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cat <<-EOF > "${GHCUP_DIR}"/env || die "Failed to create env file"
export PATH="\$HOME/.cabal/bin:${GHCUP_BIN}:\$PATH"
EOF
# shellcheck disable=SC1090
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edo . "${GHCUP_DIR}"/env
eghcup upgrade
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}
echo
echo "Welcome to Haskell!"
echo
echo "This script will download and install the following binaries:"
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echo " * ghcup - The Haskell toolchain installer"
echo " * ghc - The Glasgow Haskell Compiler"
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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"
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echo
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if [ -z "${GHCUP_USE_XDG_DIRS}" ] ; then
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echo "ghcup installs only into the following directory,"
echo "which can be removed anytime:"
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case "${plat}" in
MSYS*|MINGW*)
echo " $(cygpath -w "$GHCUP_DIR")"
;;
*)
echo " $GHCUP_DIR"
;;
esac
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else
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echo "ghcup installs into XDG directories as long as"
echo "'GHCUP_USE_XDG_DIRS' is set."
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fi
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echo
if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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warn "Press ENTER to proceed or ctrl-c to abort."
warn "Note that this script can be re-run at any given time."
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echo
# Wait for user input to continue.
# shellcheck disable=SC2034
read -r answer </dev/tty
fi
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edo mkdir -p "${GHCUP_BIN}"
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if command -V "ghcup" >/dev/null 2>&1 ; then
if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then
_eghcup upgrade || download_ghcup
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fi
else
download_ghcup
fi
echo
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echo "$(if [ -n "${BOOTSTRAP_HASKELL_YAML}" ] ; then ghcup -s "${BOOTSTRAP_HASKELL_YAML}" tool-requirements ; else ghcup tool-requirements ; fi)"
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echo
if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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warn "Press ENTER to proceed or ctrl-c to abort."
warn "Installation may take a while."
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echo
# Wait for user input to continue.
# shellcheck disable=SC2034
read -r answer </dev/tty
fi
eghcup --cache install ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
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eghcup set ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
eghcup --cache install cabal "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
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adjust_cabal_config() {
edo cabal user-config -a "extra-prog-path: $(cygpath -w $GHCUP_BIN), $(cygpath -w "$HOME"/AppData/Roaming/cabal/bin), $(cygpath -w "$GHCUP_DIR"/msys64/usr/bin), $(cygpath -w "$GHCUP_DIR"/msys64/mingw64/bin)" -a "extra-include-dirs: $(cygpath -w "$GHCUP_DIR"/msys64/mingw64/include)" -a "extra-lib-dirs: $(cygpath -w "$GHCUP_DIR"/msys64/mingw64/lib)" -f init
}
case "${plat}" in
MSYS*|MINGW*)
if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
warn "Create an initial cabal.config including relevant msys2 paths (recommended)?"
warn "[Y] Yes [N] No [?] Help (default is \"Y\")."
echo
while true; do
read -r mingw_answer </dev/tty
case $mingw_answer in
[Yy]* | "")
adjust_cabal_config
break ;;
[Nn]*)
echo "Make sure that your global cabal.config references the correct mingw64 paths (extra-prog-path, extra-include-dirs and extra-lib-dirs)."
sleep 5
break ;;
*)
echo "Possible choices are:"
echo
echo "Y - Yes, create a cabal.config with pre-set paths to msys2/mingw64 (default)"
echo "N - No, leave the current/default cabal config untouched"
echo
echo "Please make your choice and press ENTER."
;;
esac
done
else
adjust_cabal_config
fi
;;
esac
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edo cabal new-update
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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warn "Do you want to install haskell-language-server (HLS) now?"
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 ""
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while true; do
read -r hls_answer </dev/tty
case $hls_answer in
[Yy]*)
eghcup --cache install hls
break ;;
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[Nn]* | "")
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break ;;
*)
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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."
;;
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esac
done
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warn "Do you want to install stack now?"
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 ""
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while true; do
read -r stack_answer </dev/tty
case $stack_answer in
[Yy]*)
eghcup --cache install stack
break ;;
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[Nn]* | "")
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break ;;
*)
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echo "Possible choices are:"
echo
echo "Y - Yes, install stack"
echo "N - No, don't install anything more (default)"
echo
echo "Please make your choice and press ENTER."
;;
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esac
done
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echo "In order to run ghc and cabal, you need to adjust your PATH variable."
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echo "You may want to source '$GHCUP_DIR/env' in your shell"
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echo "configuration to do so (e.g. ~/.bashrc)."
case $SHELL in
*/zsh) # login shell is zsh
GHCUP_PROFILE_FILE="$HOME/.zshrc"
MY_SHELL="zsh" ;;
*/bash) # login shell is bash
GHCUP_PROFILE_FILE="$HOME/.bashrc"
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MY_SHELL="bash" ;;
*/sh) # login shell is sh, but might be a symlink to bash or zsh
if [ -n "${BASH}" ] ; then
GHCUP_PROFILE_FILE="$HOME/.bashrc"
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MY_SHELL="bash"
elif [ -n "${ZSH_VERSION}" ] ; then
GHCUP_PROFILE_FILE="$HOME/.zshrc"
MY_SHELL="zsh"
else
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_done
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fi
;;
*/fish) # login shell is fish
GHCUP_PROFILE_FILE="$HOME/.config/fish/config.fish"
MY_SHELL="fish" ;;
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*) _done ;;
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esac
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warn ""
warn "Detected ${MY_SHELL} shell on your system..."
warn "If you want ghcup to automatically add the required PATH variable to \"${GHCUP_PROFILE_FILE}\""
warn ""
warn "[Y] Yes [N] No [?] Help (default is \"Y\")."
warn ""
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while true; do
read -r next_answer </dev/tty
case $next_answer in
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[Nn]*)
_done ;;
[Yy]* | "")
case $MY_SHELL in
"") break ;;
fish)
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if ! grep -q "ghcup-env" "${GHCUP_PROFILE_FILE}" ; then
mkdir -p "${GHCUP_PROFILE_FILE%/*}"
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echo "# ghcup-env" >> "${GHCUP_PROFILE_FILE}"
echo "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME" >> "${GHCUP_PROFILE_FILE}"
echo "test -f $GHCUP_DIR/env ; and set -gx PATH \$HOME/.cabal/bin $GHCUP_BIN \$PATH" >> "${GHCUP_PROFILE_FILE}"
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fi
break ;;
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bash)
if ! grep -q "ghcup-env" "${GHCUP_PROFILE_FILE}" ; then
echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
fi
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case "${plat}" in
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"Darwin"|"darwin")
if ! grep -q "ghcup-env" "${HOME}/.bash_profile" ; then
echo "[[ -f ~/.bashrc ]] && source ~/.bashrc # ghcup-env" >> "${HOME}/.bash_profile"
fi
;;
esac
break ;;
zsh)
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if ! grep -q "ghcup-env" "${GHCUP_PROFILE_FILE}" ; then
echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
fi
break ;;
esac
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warn "OK! ${GHCUP_PROFILE_FILE} has been modified. Restart your terminal for the changes to take effect,"
warn "or type \"source ${GHCUP_DIR}/env\" to apply them in your current terminal session."
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_done
;;
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*)
echo "Possible choices are:"
echo
echo "Y - Yes, update my \"${GHCUP_PROFILE_FILE}\" (default)"
echo "N - No, don't mess with my configuration"
echo
echo "Please make your choice and press ENTER."
;;
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esac
done
fi
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_done
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)
# vim: tabstop=4 shiftwidth=4 expandtab