#!/bin/sh # safety subshell to avoid executing anything in case this script is not downloaded properly ( : "${GHCUP_INSTALL_BASE_PREFIX:=$HOME}" die() { (>&2 printf "\\033[0;31m%s\\033[0m\\n" "$1") exit 2 } edo() { "$@" || die "\"$*\" failed!" } eghcup() { if [ -z "${BOOTSTRAP_HASKELL_VERBOSE}" ] ; then edo ghcup "$@" else edo ghcup --verbose "$@" fi } download_ghcup() { _plat="$(uname -s)" _arch=$(uname -m) _ghver="0.1.5" case "${_plat}" in "linux"|"Linux") case "${_arch}" in x86_64|amd64) _url=https://downloads.haskell.org/~ghcup/${_ghver}/x86_64-linux-ghcup-${_ghver} ;; i*86) _url=https://downloads.haskell.org/~ghcup/${_ghver}/i386-linux-ghcup-${_ghver} ;; *) die "Unknown architecture: ${_arch}" ;; esac ;; "FreeBSD"|"freebsd") case "${_arch}" in x86_64|amd64) ;; i*86) die "i386 currently not supported!" ;; *) die "Unknown architecture: ${_arch}" ;; esac _url=https://downloads.haskell.org/~ghcup/${_ghver}/x86_64-portbld-freebsd-ghcup-${_ghver} ;; "Darwin"|"darwin") case "${_arch}" in x86_64|amd64) ;; i*86) die "i386 currently not supported!" ;; *) die "Unknown architecture: ${_arch}" ;; esac _url=https://downloads.haskell.org/~ghcup/0.1.5/x86_64-apple-darwin-ghcup-0.1.5-p2 ;; *) die "Unknown platform: ${_plat}" ;; esac edo curl -Lf "${_url}" > "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/ghcup unset _plat _arch _url _ghver } echo echo "Welcome to Haskell!" echo echo "This script will download and install the following binaries:" echo " * ghcup - The Haskell toolchain installer (for managing GHC/cabal versions)" echo " * ghc - The Glasgow Haskell Compiler" echo " * cabal - The Cabal build tool" echo echo "ghcup installs only into the following directory, which can be removed anytime:" echo " $GHCUP_INSTALL_BASE_PREFIX/.ghcup" echo if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then printf "\\033[0;35m%s\\033[0m\\n" "Press ENTER to proceed or ctrl-c to abort." printf "\\033[0;35m%s\\033[0m\\n" "Note that this script can be re-run at any given time." echo # Wait for user input to continue. # shellcheck disable=SC2034 read -r answer </dev/tty fi edo mkdir -p "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin if command -V "ghcup" >/dev/null 2>&1 ; then if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then eghcup upgrade fi else download_ghcup edo chmod +x "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/bin/ghcup cat <<-EOF > "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/env || die "Failed to create env file" export PATH="\$HOME/.cabal/bin:\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/bin:\$PATH" EOF # shellcheck disable=SC1090 edo . "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup/env eghcup upgrade fi echo echo "$(ghcup tool-requirements)" echo if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then printf "\\033[0;35m%s\\033[0m\\n" "Press ENTER to proceed or ctrl-c to abort." printf "\\033[0;35m%s\\033[0m\\n" "Installation may take a while." echo # Wait for user input to continue. # shellcheck disable=SC2034 read -r answer </dev/tty fi eghcup --cache install eghcup set eghcup --cache install-cabal edo cabal new-update printf "\\033[0;35m%s\\033[0m\\n" "" printf "\\033[0;35m%s\\033[0m\\n" "Installation done!" printf "\\033[0;35m%s\\033[0m\\n" "" if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then echo "In order to run ghc and cabal, you need to adjust your PATH variable." echo "You may want to source '$GHCUP_INSTALL_BASE_PREFIX/.ghcup/env' in your shell" 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="$HOME/.bashrc" MY_SHELL="bash" ;; */sh) # login shell is sh, but might be a symlink to bash or zsh if [ -n "${BASH}" ] ; then GHCUP_PROFILE_FILE="$HOME/.bashrc" MY_SHELL="bash" elif [ -n "${ZSH_VERSION}" ] ; then GHCUP_PROFILE_FILE="$HOME/.zshrc" MY_SHELL="zsh" else exit 0 fi ;; *) exit 0 ;; esac printf "\\033[0;35m%s\\033[0m\\n" "" printf "\\033[0;35m%s\\033[0m\\n" "Detected ${MY_SHELL} shell on your system..." printf "\\033[0;35m%s\\033[0m\\n" "If you want ghcup to automatically add the required PATH variable to \"${GHCUP_PROFILE_FILE}\"" printf "\\033[0;35m%s\\033[0m\\n" "answer with YES, otherwise with NO and press ENTER." printf "\\033[0;35m%s\\033[0m\\n" "" while true; do read -r next_answer </dev/tty case $next_answer in [Yy]*) echo "[ -f \"\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/env\" ] && source \"\${GHCUP_INSTALL_BASE_PREFIX:=\$HOME}/.ghcup/env\"" >> "${GHCUP_PROFILE_FILE}" printf "\\033[0;35m%s\\033[0m\\n" "OK! ${GHCUP_PROFILE_FILE} has been modified. Restart your terminal for the changes to take effect," 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." exit 0;; [Nn]*) exit 0;; *) echo "Please type YES or NO and press enter.";; esac done fi ) # vim: tabstop=4 shiftwidth=4 expandtab