Apply shellcheck suggestions
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89
ghcup.sh
89
ghcup.sh
@ -6,7 +6,7 @@ set -e
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## global variables ##
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VERSION=0.0.1
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SCRIPT="$(basename $0)"
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SCRIPT="$(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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@ -103,27 +103,27 @@ echov() {
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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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printf "\\033[0;32m%s\\033[0m\\n" "$1"
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}
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get_distro_name() {
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if [ -f /etc/os-release ]; then
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# freedesktop.org and systemd
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. /etc/os-release
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printf "$NAME"
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printf "%s" "$NAME"
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elif command -V lsb_release >/dev/null 2>&1; then
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# linuxbase.org
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printf "$(lsb_release -si)"
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printf "%s" "$(lsb_release -si)"
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elif [ -f /etc/lsb-release ]; then
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# For some versions of Debian/Ubuntu without lsb_release command
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. /etc/lsb-release
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printf "$DISTRIB_ID"
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printf "%s" "$DISTRIB_ID"
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elif [ -f /etc/debian_version ]; then
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# Older Debian/Ubuntu/etc.
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printf "Debian"
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else
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# Fall back to uname, e.g. "Linux <version>", also works for BSD, etc.
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printf "$(uname -s)"
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printf "%s" "$(uname -s)"
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fi
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}
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@ -131,20 +131,20 @@ get_distro_ver() {
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if [ -f /etc/os-release ]; then
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# freedesktop.org and systemd
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. /etc/os-release
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printf "$VERSION_ID"
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printf "%s" "$VERSION_ID"
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elif command -V lsb_release >/dev/null 2>&1; then
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# linuxbase.org
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printf "$(lsb_release -sr)"
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printf "%s" "$(lsb_release -sr)"
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elif [ -f /etc/lsb-release ]; then
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# For some versions of Debian/Ubuntu without lsb_release command
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. /etc/lsb-release
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printf "$DISTRIB_RELEASE"
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printf "%s" "$DISTRIB_RELEASE"
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elif [ -f /etc/debian_version ]; then
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# Older Debian/Ubuntu/etc.
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printf "$(cat /etc/debian_version)"
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printf "%s" "$(cat /etc/debian_version)"
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else
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# Fall back to uname, e.g. "Linux <version>", also works for BSD, etc.
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printf "$(uname -r)"
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printf "%s" "$(uname -r)"
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fi
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}
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@ -177,32 +177,32 @@ get_download_url() {
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# TODO: awkward, restructure
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case "${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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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb${mydistrover}-linux.tar.xz"
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;;
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*,*,i386,*)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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;;
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Debian,*,*,8.2.2)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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;;
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Debian,8,*,*)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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;;
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Debian,*,*,*)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb9-linux.tar.xz"
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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb9-linux.tar.xz"
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;;
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Ubuntu,*,*,8.2.2)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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;;
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Ubuntu,*,*,*)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb9-linux.tar.xz"
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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb9-linux.tar.xz"
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;;
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*,*,*,8.2.2)
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-deb8-linux.tar.xz"
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;;
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*,*,*,*) # this is our best guess
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printf "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-fedora27-linux.tar.xz"
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break;;
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printf "%s" "${baseurl}/${myghcver}/ghc-${myghcver}-${myarch}-fedora27-linux.tar.xz"
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;;
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esac
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unset myghcver myarch mydistro mydistrover baseurl
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@ -215,7 +215,6 @@ install_ghc() {
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myghcver=$1
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downloader=curl
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downloader_opts="--fail -O"
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old_pwd=${PWD}
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inst_location=${INSTALL_BASE}/${myghcver}
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target_location=${INSTALL_BASE}/bin
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@ -233,11 +232,11 @@ install_ghc() {
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(
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cd "$(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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echov "Downloading $(get_download_url "${myghcver}")"
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${downloader} ${downloader_opts} "$(get_download_url "${myghcver}")"
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tar -xf ghc-*-linux.tar.xz
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cd ghc-${myghcver}
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cd "ghc-${myghcver}"
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echov "Installing GHC into ${inst_location}"
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@ -246,18 +245,18 @@ install_ghc() {
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# clean up
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cd ..
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rm -r ghc-*-linux.tar.xz ghc-${myghcver}
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rm -r ghc-*-linux.tar.xz "ghc-${myghcver}"
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)
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for f in "${inst_location}"/bin/*-${myghcver} ; do
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fn=$(basename ${f})
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ln $(echov "-v") -s ../${myghcver}/bin/${fn} "${target_location}"/${fn}
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for f in "${inst_location}"/bin/*-"${myghcver}" ; do
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fn=$(basename "${f}")
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ln $(echov "-v") -s ../"${myghcver}/bin/${fn}" "${target_location}/${fn}"
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unset fn
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done
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printf_green "Done installing, run \"ghci-${myghcver}\" or set up your current GHC via: ${SCRIPT} set-ghc ${myghcver}"
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unset myghcver downloader downloader_opts old_pwd inst_location target_location f
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unset myghcver downloader downloader_opts inst_location target_location f
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}
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@ -273,10 +272,10 @@ set_ghc() {
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printf_green "Setting GHC to ${myghcver}"
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for f in "${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 $(echov "-v") -sf ../${myghcver}/bin/${source_fn} "${target_location}"/${target_fn}
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for f in "${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 $(echov "-v") -sf ../"${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 $(echov "-v") -sf runghc "${target_location}"/runhaskell
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@ -329,7 +328,7 @@ while [ $# -gt 0 ] ; do
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VERBOSE=true
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shift 1;;
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-V|--version)
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printf "${VERSION}"
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printf "%s" "${VERSION}"
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exit 0;;
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-h|--help)
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usage;;
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@ -346,7 +345,7 @@ while [ $# -gt 0 ] ; do
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esac
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done
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[ "${GHC_VER}" ] || install_usage
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install_ghc ${GHC_VER}
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install_ghc "${GHC_VER}"
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break;;
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set)
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shift 1
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@ -358,7 +357,7 @@ while [ $# -gt 0 ] ; do
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esac
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done
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[ "${GHC_VER}" ] || set_usage
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set_ghc ${GHC_VER}
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set_ghc "${GHC_VER}"
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break;;
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self-update)
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shift 1
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