Add new bootstrap-haskell
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bootstrap-haskell
Executable file
183
bootstrap-haskell
Executable file
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#!/bin/sh
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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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: "${GHCUP_INSTALL_BASE_PREFIX:=$HOME}"
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die() {
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(>&2 printf "\\033[0;31m%s\\033[0m\\n" "$1")
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exit 2
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}
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edo()
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{
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"$@" || die "\"$*\" failed!"
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}
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eghcup() {
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if [ -z "${BOOTSTRAP_HASKELL_VERBOSE}" ] ; then
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edo ghcup "$@"
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else
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edo ghcup --verbose "$@"
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fi
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}
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download_ghcup() {
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_plat="$(uname -s)"
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_arch=$(uname -m)
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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: ${_arch}"
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;;
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esac
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case "${_plat}" in
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"linux"|"Linux")
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edo curl -Lf https://github.com/hasufell/ghcup-hs/releases/download/0.1.0-pre/x86_64-pc-linux-ghcup > "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/ghcup
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;;
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"FreeBSD"|"freebsd")
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edo curl -Lf https://github.com/hasufell/ghcup-hs/releases/download/0.1.0-pre/x86_64-portbld-freebsd-ghcup > "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/ghcup
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;;
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"Darwin"|"darwin")
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edo curl -Lf https://github.com/hasufell/ghcup-hs/releases/download/travis-0.1.8/x86_64-apple-darwin-10.13-ghcup > "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/ghcup
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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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unset _plat _arch
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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 will download and install the Glasgow Haskell Compiler (GHC)"
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echo "and the Cabal build tool."
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echo
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echo "ghcup installs only into the following directory, which can be removed anytime:"
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echo " $GHCUP_INSTALL_BASE_PREFIX/.ghcup"
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echo
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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printf "\\033[0;35m%s\\033[0m\\n" "Press ENTER to proceed"
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printf "\\033[0;35m%s\\033[0m\\n" "or ctrl-c to abort."
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printf "\\033[0;35m%s\\033[0m\\n" "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 "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin
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if command -V "ghcup" >/dev/null 2>&1 ; then
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if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then
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eghcup upgrade
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fi
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else
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download_ghcup
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edo chmod +x "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/ghcup
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cat <<-EOF > "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/env || die "Failed to create env file"
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export PATH="\$HOME/.cabal/bin:\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/bin:\$PATH"
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EOF
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# shellcheck disable=SC1090
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edo . "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/env
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fi
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echo
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echo "$(ghcup tool-requirements)"
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echo
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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printf "\\033[0;35m%s\\033[0m\\n" "Press ENTER to proceed"
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printf "\\033[0;35m%s\\033[0m\\n" "or ctrl-c to abort."
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printf "\\033[0;35m%s\\033[0m\\n" "Installation may take a while."
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echo
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# Wait for user input to continue.
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# shellcheck disable=SC2034
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read -r answer </dev/tty
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fi
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eghcup --cache install ghc
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eghcup set
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eghcup --cache install cabal
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edo cabal new-update
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printf "\\033[0;35m%s\\033[0m\\n" ""
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printf "\\033[0;35m%s\\033[0m\\n" "Installation done!"
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printf "\\033[0;35m%s\\033[0m\\n" ""
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if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then
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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_INSTALL_BASE_PREFIX/.ghcup/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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if [ -f "$HOME/.bashrc" ] ; then # bashrc is not sourced by default, so assume it isn't if file does not exist
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GHCUP_PROFILE_FILE="$HOME/.bashrc"
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else
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GHCUP_PROFILE_FILE="$HOME/.bash_profile"
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fi
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MY_SHELL="bash" ;;
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*/sh) # login shell is sh, but might be a symlink to bash or zsh
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if [ -n "${BASH}" ] ; then
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if [ -f "$HOME/.bashrc" ] ; then # bashrc is not sourced by default, so assume it isn't if file does not exist
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GHCUP_PROFILE_FILE="$HOME/.bashrc"
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else
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GHCUP_PROFILE_FILE="$HOME/.bash_profile"
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fi
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MY_SHELL="bash"
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elif [ -n "${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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exit 0
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fi
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;;
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*) exit 0 ;;
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esac
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printf "\\033[0;35m%s\\033[0m\\n" ""
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printf "\\033[0;35m%s\\033[0m\\n" "Detected ${MY_SHELL} shell on your system..."
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printf "\\033[0;35m%s\\033[0m\\n" "If you want ghcup to automatically add the required PATH variable to \"${GHCUP_PROFILE_FILE}\""
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printf "\\033[0;35m%s\\033[0m\\n" "answer with YES, otherwise with NO and press ENTER."
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printf "\\033[0;35m%s\\033[0m\\n" ""
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while true; do
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read -r next_answer </dev/tty
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case $next_answer in
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[Yy]*)
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echo "[ -f \"\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/env\" ] && source \"\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/env\"" >> "${GHCUP_PROFILE_FILE}"
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printf "\\033[0;35m%s\\033[0m\\n" "OK! ${GHCUP_PROFILE_FILE} has been modified. Restart your terminal for the changes to take effect,"
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printf "\\033[0;35m%s\\033[0m\\n" "or type \"source ${GHCUP_INSTALL_BASE_PREFIX}/.ghcup/env\" to apply them in your current terminal session."
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exit 0;;
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[Nn]*)
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exit 0;;
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*)
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echo "Please type YES or NO and press enter.";;
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esac
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done
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fi
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)
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# vim: tabstop=4 shiftwidth=4 expandtab
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