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@@ -181,6 +181,48 @@ _done() {
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exit 0
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}
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# @FUNCTION: posix_realpath
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# @USAGE: <file>
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# @DESCRIPTION:
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# Portably gets the realpath and prints it to stdout.
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# This was initially inspired by
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# https://gist.github.com/tvlooy/cbfbdb111a4ebad8b93e
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# and
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# https://stackoverflow.com/a/246128
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#
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# If the file does not exist, just prints it appended to the current directory.
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# @STDOUT: realpath of the given file
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posix_realpath() {
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[ -z "$1" ] && die "Internal error: no argument given to posix_realpath"
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current_loop=0
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max_loops=50
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mysource=$1
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while [ -h "${mysource}" ]; do
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current_loop=$((current_loop+1))
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mydir="$( cd -P "$( dirname "${mysource}" )" > /dev/null 2>&1 && pwd )"
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mysource="$(readlink "${mysource}")"
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[ "${mysource%${mysource#?}}"x != '/x' ] && mysource="${mydir}/${mysource}"
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if [ ${current_loop} -gt ${max_loops} ] ; then
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(>&2 echo "${1}: Too many levels of symbolic links")
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echo "$1"
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return
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fi
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done
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mydir="$( cd -P "$( dirname "${mysource}" )" > /dev/null 2>&1 && pwd )"
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# TODO: better distinguish between "does not exist" and "permission denied"
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if [ -z "${mydir}" ] ; then
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(>&2 echo "${1}: Permission denied")
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echo "$(pwd)/$1"
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else
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echo "${mydir%/}/$(basename "${mysource}")"
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fi
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unset current_loop max_loops mysource mydir
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}
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download_ghcup() {
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case "${plat}" in
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@@ -427,23 +469,23 @@ adjust_bashrc() {
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;;
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fish)
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mkdir -p "${GHCUP_PROFILE_FILE%/*}"
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "$(posix_realpath "${GHCUP_PROFILE_FILE}")"
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case $1 in
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1)
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echo "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME ; set -gx PATH \$HOME/.cabal/bin $GHCUP_BIN \$PATH # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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printf "\n%s" "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME ; set -gx PATH \$HOME/.cabal/bin $GHCUP_BIN \$PATH # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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;;
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2)
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echo "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME ; set -gx PATH \$HOME/.cabal/bin \$PATH $GHCUP_BIN # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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printf "\n%s" "set -q GHCUP_INSTALL_BASE_PREFIX[1]; or set GHCUP_INSTALL_BASE_PREFIX \$HOME ; set -gx PATH \$HOME/.cabal/bin \$PATH $GHCUP_BIN # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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;;
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esac
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;;
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bash)
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
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echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "$(posix_realpath "${GHCUP_PROFILE_FILE}")"
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printf "\n%s" "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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case "${plat}" in
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"Darwin"|"darwin")
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if ! grep -q "ghcup-env" "${HOME}/.bash_profile" ; then
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echo "[[ -f ~/.bashrc ]] && source ~/.bashrc # ghcup-env" >> "${HOME}/.bash_profile"
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printf "\n%s" "[[ -f ~/.bashrc ]] && source ~/.bashrc # ghcup-env" >> "${HOME}/.bash_profile"
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fi
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;;
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MSYS*|MINGW*)
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@@ -457,8 +499,8 @@ adjust_bashrc() {
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;;
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zsh)
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "${GHCUP_PROFILE_FILE}"
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echo "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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sed -i -e '/# ghcup-env$/ s/^#*/#/' "$(posix_realpath "${GHCUP_PROFILE_FILE}")"
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printf "\n%s" "[ -f \"${GHCUP_DIR}/env\" ] && source \"${GHCUP_DIR}/env\" # ghcup-env" >> "${GHCUP_PROFILE_FILE}"
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;;
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esac
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echo
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