Some refactoring
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eaee281fdb
commit
347df231c5
92
ghcup
92
ghcup
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@ -36,6 +36,8 @@ 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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GHC_LOCATION="$INSTALL_BASE/ghc"
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BIN_LOCATION="$INSTALL_BASE/bin"
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## print help ##
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@ -157,7 +159,7 @@ edo()
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"$@" || exit 2
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}
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echov() {
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debug_message() {
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if ${VERBOSE} ; then
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printf "\\033[0;34m%s\\033[0m\\n" "$1"
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else
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@ -177,10 +179,14 @@ optionv() {
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fi
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}
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printf_green() {
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status_message() {
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printf "\\033[0;32m%s\\033[0m\\n" "$1"
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}
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warning_message() {
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printf "\\033[1;33m%s\\033[0m\\n" "$1"
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}
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get_distro_name() {
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if [ -f /etc/os-release ]; then
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# freedesktop.org and systemd
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@ -287,6 +293,36 @@ get_download_url() {
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unset myghcver myarch mydistro mydistrover baseurl
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}
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# @FUNCTION: ghc_already_installed
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# @USAGE: <ghcversion>
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# @DESCRIPTION:
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# Checks whether the specified GHC version
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# has been installed by ghcup already.
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# @RETURN: 0 if GHC is already installed, 1 otherwise
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ghc_already_installed() {
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if [ -e "$(get_ghc_location "$1")" ] ; then
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return 0
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else
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return 1
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fi
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}
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# @FUNCTION: get_ghc_location
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# @USAGE: <ghcversion>
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# @DESCRIPTION:
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# Gets/prints the location where the specified GHC is or would be installed.
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# Doesn't check whether that directory actually exist. Use
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# 'ghc_already_installed' for that.
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# @STDOUT: ghc location
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get_ghc_location() {
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myghcver=$1
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inst_location=${GHC_LOCATION}/${myghcver}
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printf "%s" "${inst_location}"
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unset myghcver unset inst_location
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}
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## subcommand install ##
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@ -294,12 +330,11 @@ install_ghc() {
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myghcver=$1
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downloader=curl
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downloader_opts="--fail -O"
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inst_location=${INSTALL_BASE}/ghc/${myghcver}
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target_location=${INSTALL_BASE}/bin
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inst_location=$(get_ghc_location "$1")
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download_url=$(get_download_url "${myghcver}")
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download_tarball_name=$(basename "${download_url}")
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if [ -e "${inst_location}" ] ; then
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if ghc_already_installed "${myghcver}" ; 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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@ -307,20 +342,20 @@ install_ghc() {
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fi
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fi
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printf_green "Installing GHC for $(get_distro_name) on architecture $(get_arch)"
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status_message "Installing GHC for $(get_distro_name) on architecture $(get_arch)"
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tmp_dir=$(mktemp -d)
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[ -z "${tmp_dir}" ] && die "Failed to create temporary directory"
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(
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edo cd "${tmp_dir}"
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echov "Downloading ${download_url}"
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debug_message "Downloading ${download_url}"
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# shellcheck disable=SC2086
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edo ${downloader} ${downloader_opts} "${download_url}"
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edo tar -xf ghc-*-linux.tar.xz
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edo cd "ghc-${myghcver}"
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echov "Installing GHC into ${inst_location}"
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debug_message "Installing GHC into ${inst_location}"
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edo ./configure --prefix="${inst_location}"
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edo make install
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@ -335,21 +370,21 @@ install_ghc() {
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die "Failed to install"
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}
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[ -e "${target_location}" ] || mkdir "${target_location}"
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[ -e "${BIN_LOCATION}" ] || mkdir "${BIN_LOCATION}"
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for f in "${inst_location}"/bin/*-"${myghcver}" ; do
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[ -e "${f}" ] || die "Something went wrong, ${f} does not exist!"
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fn=$(basename "${f}")
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# shellcheck disable=SC2046
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edo ln $(optionv "-v") -sf ../ghc/"${myghcver}/bin/${fn}" "${target_location}/${fn}"
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edo ln $(optionv "-v") -sf ../ghc/"${myghcver}/bin/${fn}" "${BIN_LOCATION}/${fn}"
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unset fn
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done
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# shellcheck disable=SC2046
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edo ln $(optionv "-v") -sf ../ghc/"${myghcver}"/bin/runhaskell "${target_location}/runhaskell-${myghcver}"
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edo ln $(optionv "-v") -sf ../ghc/"${myghcver}"/bin/runhaskell "${BIN_LOCATION}/runhaskell-${myghcver}"
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printf_green "Done installing, run \"ghci-${myghcver}\" or set up your current GHC via: ${SCRIPT} set-ghc ${myghcver}"
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status_message "Done installing, run \"ghci-${myghcver}\" or set up your current GHC via: ${SCRIPT} set-ghc ${myghcver}"
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unset myghcver downloader downloader_opts inst_location target_location f download_url download_tarball_name
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unset myghcver downloader downloader_opts inst_location f download_url download_tarball_name
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}
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@ -357,28 +392,27 @@ install_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=${INSTALL_BASE}/ghc/${myghcver}
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inst_location=$(get_ghc_location "$1")
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[ -e "${inst_location}" ] || die "GHC ${myghcver} not installed yet, use: ${SCRIPT} install ${myghcver}"
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[ -e "${target_location}" ] || edo mkdir "${target_location}"
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[ -e "${BIN_LOCATION}" ] || edo mkdir "${BIN_LOCATION}"
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printf_green "Setting GHC to ${myghcver}"
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status_message "Setting GHC to ${myghcver}"
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for f in "${inst_location}"/bin/*-"${myghcver}" ; do
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[ -e "${f}" ] || die "Something went wrong, ${f} does not exist!"
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source_fn=$(basename "${f}")
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target_fn=$(echo "${source_fn}" | sed "s#-${myghcver}##")
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# shellcheck disable=SC2046
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edo ln $(optionv "-v") -sf ../ghc/"${myghcver}/bin/${source_fn}" "${target_location}/${target_fn}"
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edo ln $(optionv "-v") -sf ../ghc/"${myghcver}/bin/${source_fn}" "${BIN_LOCATION}/${target_fn}"
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unset source_fn target_fn
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done
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# shellcheck disable=SC2046
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edo ln $(optionv "-v") -sf runghc "${target_location}"/runhaskell
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edo ln $(optionv "-v") -sf runghc "${BIN_LOCATION}"/runhaskell
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printf_green "Done, make sure \"${target_location}\" is in your PATH!"
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status_message "Done, make sure \"${BIN_LOCATION}\" is in your PATH!"
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unset myghcver target_location inst_location f
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unset myghcver inst_location f
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}
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@ -392,19 +426,19 @@ self_update() {
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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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status_message "Updating ${SCRIPT}"
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(
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edo cd "$(mktemp -d)"
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echov "Downloading ${source_url}"
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debug_message "Downloading ${source_url}"
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# shellcheck disable=SC2086
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edo ${downloader} ${downloader_opts} "${source_url}"
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edo mv ghcup "${target_location}"/ghcup
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edo chmod +x "${target_location}"/ghcup
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) || die "failed to install"
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printf_green "Done, make sure \"${target_location}\" is in your PATH!"
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status_message "Done, make sure \"${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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@ -412,11 +446,10 @@ self_update() {
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## show subcommand ##
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show_ghc() {
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ghc_location=${INSTALL_BASE}/ghc
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current_ghc=$(show_ghc_installed)
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echo "Installed GHCs:"
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for i in "${ghc_location}"/* ; do
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for i in "${GHC_LOCATION}"/* ; do
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[ -e "${i}" ] || die "Something went wrong, ${i} does not exist!"
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echo " $(basename "${i}")"
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done
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@ -427,19 +460,18 @@ show_ghc() {
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echo " ${current_ghc}"
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fi
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unset target_location i
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unset current_ghc i
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}
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show_ghc_installed() {
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target_location=${INSTALL_BASE}/bin
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real_ghc=$(realpath "${target_location}/ghc")
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real_ghc=$(realpath "${BIN_LOCATION}/ghc")
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if [ -e "${real_ghc}" ] ; then
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real_ghc="$(basename "${real_ghc}" | sed 's#ghc-##')"
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printf "%s" "${real_ghc}"
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fi
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unset target_location real_ghc
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unset real_ghc
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}
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