#!/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 # safety subshell to avoid executing anything in case this script is not downloaded properly ( : "${GHCUP_INSTALL_BASE_PREFIX:=$HOME}" export GHCUP_USE_XDG_DIRS 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=${GHCUP_INSTALL_BASE_PREFIX}/.ghcup/bin fi : "${BOOTSTRAP_HASKELL_GHC_VERSION:=recommended}" : "${BOOTSTRAP_HASKELL_CABAL_VERSION:=recommended}" die() { (>&2 printf "\\033[0;31m%s\\033[0m\\n" "$1") exit 2 } edo() { "$@" || die "\"$*\" failed!" } eghcup() { edo _eghcup "$@" } _eghcup() { if [ -z "${BOOTSTRAP_HASKELL_VERBOSE}" ] ; then ghcup "$@" else ghcup --verbose "$@" fi } _done() { echo echo "All done!" echo echo "To start a simple repl, run:" echo " ghci" echo echo "To start a new haskell project in the current directory, run:" echo " cabal init --interactive" echo echo "To install other GHC versions, run:" echo " ghcup tui" exit 0 } download_ghcup() { _plat="$(uname -s)" _arch=$(uname -m) _ghver="0.1.14.1" _base_url="https://downloads.haskell.org/~ghcup" case "${_plat}" in "linux"|"Linux") case "${_arch}" in x86_64|amd64) # we could be in a 32bit docker container, in which # case uname doesn't give us what we want if [ "$(getconf LONG_BIT)" = "32" ] ; then _url=${_base_url}/${_ghver}/i386-linux-ghcup-${_ghver} elif [ "$(getconf LONG_BIT)" = "64" ] ; then _url=${_base_url}/${_ghver}/x86_64-linux-ghcup-${_ghver} else die "Unknown long bit size: $(getconf LONG_BIT)" fi ;; i*86) _url=${_base_url}/${_ghver}/i386-linux-ghcup-${_ghver} ;; armv7*) _url=${_base_url}/${_ghver}/armv7-linux-ghcup-${_ghver} ;; aarch64|arm64|armv8l) _url=${_base_url}/${_ghver}/aarch64-linux-ghcup-${_ghver} ;; *) die "Unknown architecture: ${_arch}" ;; esac ;; "FreeBSD"|"freebsd") case "${_arch}" in x86_64|amd64) ;; i*86) die "i386 currently not supported!" ;; *) die "Unknown architecture: ${_arch}" ;; esac _url=${_base_url}/${_ghver}/x86_64-portbld-freebsd-ghcup-${_ghver} ;; "Darwin"|"darwin") case "${_arch}" in x86_64|amd64) ;; i*86) die "i386 currently not supported!" ;; *) die "Unknown architecture: ${_arch}" ;; esac _url=${_base_url}/${_ghver}/x86_64-apple-darwin-ghcup-${_ghver} ;; *) die "Unknown platform: ${_plat}" ;; esac edo curl -Lf "${_url}" > "${GHCUP_BIN}"/ghcup edo chmod +x "${GHCUP_BIN}"/ghcup edo mkdir -p "${GHCUP_DIR}" cat <<-EOF > "${GHCUP_DIR}"/env || die "Failed to create env file" export PATH="\$HOME/.cabal/bin:${GHCUP_BIN}:\$PATH" EOF # shellcheck disable=SC1090 edo . "${GHCUP_DIR}"/env eghcup upgrade unset _plat _arch _url _ghver _base_url } echo echo "Welcome to Haskell!" echo echo "This script will download and install the following binaries:" echo " * ghcup - The Haskell toolchain installer" echo " (for managing GHC/cabal versions)" echo " * ghc - The Glasgow Haskell Compiler" echo " * cabal - The Cabal build tool" echo if [ -z "${GHCUP_USE_XDG_DIRS}" ] ; then echo "ghcup installs only into the following directory," echo "which can be removed anytime:" echo " $GHCUP_INSTALL_BASE_PREFIX/.ghcup" else echo "ghcup installs into XDG directories as long as" echo "'GHCUP_USE_XDG_DIRS' is set." fi echo if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then 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/null 2>&1 ; then if [ -z "${BOOTSTRAP_HASKELL_NO_UPGRADE}" ] ; then _eghcup upgrade || download_ghcup fi else download_ghcup fi echo echo "$(ghcup tool-requirements)" echo if [ -z "${BOOTSTRAP_HASKELL_NONINTERACTIVE}" ] ; then printf "\\033[0;35m%s\\033[0m\\n" "Press ENTER to proceed or ctrl-c to abort." printf "\\033[0;35m%s\\033[0m\\n" "Installation may take a while." echo # Wait for user input to continue. # shellcheck disable=SC2034 read -r answer > "${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}" fi break ;; 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 case "$(uname -s)" in "Darwin"|"darwin") if ! grep -q "ghcup-env" "${HOME}/.bash_profile" ; then echo "[[ -f ~/.bashrc ]] && source ~/.bashrc # ghcup-env" >> "${HOME}/.bash_profile" fi ;; esac break ;; zsh) if ! grep -q "ghcup-env" "${GHCUP_PROFILE_FILE}" ; then echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}" fi break ;; esac 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_DIR}/env\" to apply them in your current terminal session." _done ;; [Nn]*) _done ;; *) echo "Please type YES or NO and press enter.";; esac done fi ) # vim: tabstop=4 shiftwidth=4 expandtab