Fix up stuff, add self-update subcommand
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джерело
799067f9d7
коміт
04bb29afff
199
ghcup.sh
199
ghcup.sh
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@ -1,12 +1,18 @@
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#!/bin/sh
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# TODO:
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# - self-update
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set -e
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## global variables ##
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VERSION=0.0.1
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SCRIPT="$(basename $0)"
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VERBOSE=false
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FORCE=false
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INSTALL_BASE="$HOME/.ghcup"
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## print help ##
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@ -20,7 +26,9 @@ FLAGS:
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-V, --version Prints version information
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SUBCOMMANDS:
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install Update Rust toolchains and rustup
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install Install GHC
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set-ghc Set current GHC version
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self-update Update this script in-place
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")
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exit 1
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}
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@ -30,6 +38,7 @@ install_usage() {
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FLAGS:
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-h, --help Prints help information
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-f, --force Overwrite already existing installation
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ARGS:
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<VERSION> E.g. \"8.4.3\" or \"8.6.1\"
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@ -37,6 +46,31 @@ ARGS:
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exit 1
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}
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set_ghc_usage() {
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(>&2 echo "${SCRIPT} set-ghc [FLAGS] <VERSION>
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FLAGS:
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-h, --help Prints help information
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ARGS:
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<VERSION> E.g. \"8.4.3\" or \"8.6.1\"
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")
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exit 1
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}
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self_update_usage() {
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(>&2 echo "${SCRIPT} self-update [FLAGS] [TARGET-LOCATION]
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FLAGS:
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-h, --help Prints help information
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ARGS:
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[TARGET-LOCATION] Where to place the updated script (defaults to ~/.local/bin).
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Must be an absolute path!
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")
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exit 1
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}
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## utilities ##
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@ -45,20 +79,20 @@ die() {
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exit 2
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}
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if_verbose() {
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if ${VERBOSE} ; then
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printf "$1"
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else
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[ -n "$2" ] && printf "$2"
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fi
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}
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echov() {
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if ${VERBOSE} ; then
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echo "$1"
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else
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if [ -n "$2" ] ; then
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echov "$2"
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fi
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fi
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}
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printf_green() {
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printf "\033[0;32m${1}\033[0m\n"
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}
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get_distro_name() {
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if [ -f /etc/os-release ]; then
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# freedesktop.org and systemd
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@ -127,6 +161,7 @@ get_download_url() {
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mydistrover=$(get_distro_ver)
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baseurl="https://downloads.haskell.org/~ghc"
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# TODO: awkward, restructure
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case "${mydistro},${mydistrover},${myarch},${myghcver}" in
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Debian,7,i386,8.2.2)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb${mydistrover}-linux.tar.xz"
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@ -134,15 +169,24 @@ get_download_url() {
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*,*,i386,*)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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Debian,*,*,8.2.2)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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Debian,8,*,*)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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Debian,*,*,*)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb9-linux.tar.xz"
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break;;
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Ubuntu,*,*,8.2.2)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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Ubuntu,*,*,*)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb9-linux.tar.xz"
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break;;
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*,*,*,8.2.2)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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*,*,*,*) # this is our best guess
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-fedora27-linux.tar.xz"
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break;;
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@ -157,40 +201,108 @@ get_download_url() {
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install_ghc() {
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myghcver=$1
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downloader=curl
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downloader_opts="$(if_verbose "-v") -O"
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downloader_opts="-O"
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old_pwd=${PWD}
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inst_location=$HOME/.ghcup/${myghcver}
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inst_location=${INSTALL_BASE}/${myghcver}
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echov "Installing ghc for $(get_distro_name) on architecture $(get_arch)"
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cd "$(mktemp -d)"
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echov "Downloading $(get_download_url ${myghcver})"
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${downloader} ${downloader_opts} "$(get_download_url ${myghcver})"
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tar $(if_verbose "-v") -xf ghc-*-linux.tar.xz
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cd ghc-${myghcver}
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if [ -z "$HOME" ] ; then
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die "HOME env not set, cannot install GHC"
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else
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echov "Installing GHC into ${inst_location}"
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if [ -e "${inst_location}" ] ; then
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if ${FORCE} ; then
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echo "GHC already installed in ${inst_location}, overwriting!"
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else
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die "GHC already installed in ${inst_location}, use --force to overwrite"
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fi
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fi
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./configure --prefix="${inst_location}"
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make install
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printf_green "Installing GHC for $(get_distro_name) on architecture $(get_arch)"
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(
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cd "$(mktemp -d)"
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cd "${old_pwd}"
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echov "Downloading $(get_download_url ${myghcver})"
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${downloader} ${downloader_opts} "$(get_download_url ${myghcver})"
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echo "Done installing, set up your current GHC via: ${SCRIPT} set-ghc ${myghcver}"
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tar -xf ghc-*-linux.tar.xz
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cd ghc-${myghcver}
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echov "Installing GHC into ${inst_location}"
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./configure --prefix="${inst_location}"
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make install
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)
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printf_green "Done installing, set up your current GHC via: ${SCRIPT} set-ghc ${myghcver}"
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unset myghcver downloader downloader_opts old_pwd inst_location
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}
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## subcommand set-ghc ##
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set_ghc() {
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myghcver=$1
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target_location=${INSTALL_BASE}/bin
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inst_location=${INSTALL_BASE}/${myghcver}
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[ -e "${inst_location}" ] || die "GHC ${myghcver} not installed yet, use: ${SCRIPT} install ${myghcver}"
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[ -e "${target_location}" ] || mkdir "${target_location}"
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printf_green "Setting GHC to ${myghcver}"
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if [ -z "${target_location}" ] ; then
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die "We are paranoid, because we are deleting files."
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fi
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find "${target_location}" -type l -delete
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for f in "${inst_location}"/bin/*-${myghcver} ; do
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source_fn=$(basename ${f})
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target_fn=$(echo ${source_fn} | sed "s#-${myghcver}##")
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ln $(echov "-v") -s ../${myghcver}/bin/${source_fn} "${target_location}"/${target_fn}
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unset source_fn target_fn
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done
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ln $(echov "-v") -s runghc "${target_location}"/runhaskell
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printf_green "Done, make sure \"${target_location}\" is in your PATH!"
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unset myghcver target_location inst_location
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}
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## self-update subcommand ##
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self_update() {
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target_location=$1
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source_url="https://raw.githubusercontent.com/hasufell/ghcup/master/ghcup.sh"
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downloader=curl
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downloader_opts="-O"
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[ -e "${target_location}" ] || die "Destination \"${target_location}\" does not exist, cannot update script"
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printf_green "Updating ${SCRIPT}"
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(
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cd "$(mktemp -d)"
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echov "Downloading ${source_url}"
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${downloader} ${downloader_opts} "${source_url}"
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cp ghcup.sh "${target_location}"/ghcup.sh
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chmod +x "${target_location}"/ghcup.sh
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)
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printf_green "Done, make sure \"${target_location}\" is in your PATH!"
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unset target_location source_url downloader downloader_opts
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}
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## command line parsing and entry point ##
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# sanity checks
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if [ -z "$HOME" ] ; then
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die "HOME env not set, cannot operate"
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fi
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[ $# -lt 1 ] && usage
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while [ $# -gt 0 ] ; do
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case $1 in
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-v|--verbose)
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@ -207,6 +319,8 @@ while [ $# -gt 0 ] ; do
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while [ $# -gt 0 ] ; do
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case $1 in
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-h|--help) install_usage;;
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-f|--force) FORCE=true
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shift 1;;
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*) GHC_VER=$1
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break;;
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esac
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@ -214,6 +328,33 @@ while [ $# -gt 0 ] ; do
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[ "${GHC_VER}" ] || install_usage
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install_ghc ${GHC_VER}
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break;;
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set-ghc)
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shift 1
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while [ $# -gt 0 ] ; do
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case $1 in
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-h|--help) set_ghc_usage;;
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*) GHC_VER=$1
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break;;
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esac
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done
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[ "${GHC_VER}" ] || set_ghc_usage
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set_ghc ${GHC_VER}
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break;;
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self-update)
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shift 1
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while [ $# -gt 0 ] ; do
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case $1 in
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-h|--help) self_update_usage;;
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*) TARGET_LOCATION=$1
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break;;
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esac
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done
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if [ "${TARGET_LOCATION}" ] ; then
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self_update "${TARGET_LOCATION}"
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else
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self_update "${HOME}/.local/bin"
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fi
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break;;
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*) usage;;
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esac
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break;;
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