Remove is_sourced functionality, it's not needed anymore

This commit is contained in:
Julian Ospald 2019-01-04 12:32:51 +08:00
parent 4c548c1037
commit 9cc652e34d
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GPG Key ID: 511B62C09D50CD28

477
ghcup
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@ -1003,34 +1003,6 @@ posix_realpath() {
unset mysource mydir posix_realpath_error
}
# @FUNCTION: is_sourced
# @DESCRIPTION:
# Tries to figure out if we are being sourced. Based on
# https://stackoverflow.com/a/28776166
# @RETURNS: 0 if we are being sourced, 1 otherwise
is_sourced() {
if [ -n "$ZSH_EVAL_CONTEXT" ]; then
case $ZSH_EVAL_CONTEXT in
*:file)
return 0 ;;
esac
elif [ -n "$KSH_VERSION" ]; then
# shellcheck disable=SC2154
[ "$(cd "$(dirname -- "$0")" && pwd -P)/$(basename -- "$0")" != "$(cd "$(dirname -- "${.sh.file}")" && pwd -P)/$(basename -- "${.sh.file}")" ] && return 0
elif [ -n "$BASH_VERSION" ]; then
# shellcheck disable=SC2128
[ "$0" != "$BASH_SOURCE" ] && return 0
else # All other shells: examine $0 for known shell binary filenames
# Detects `sh` and `dash`; add additional shell filenames as needed.
case ${0##*/} in
sh|dash)
return 0 ;;
esac
fi
# assume we are not sourced, if our above checks didn't find it
return 1
}
# @FUNCTION: get_meta_version_file
# @DESCRIPTION:
@ -1689,237 +1661,234 @@ fi
#--[ Command line parsing and entry point ]--#
##############################################
if ! is_sourced ; then
[ $# -lt 1 ] && usage
[ $# -lt 1 ] && usage
while [ $# -gt 0 ] ; do
case $1 in
-v|--verbose)
VERBOSE=true
shift 1
if [ $# -lt 1 ] ; then
usage
fi
;;
-V|--version)
printf "%s" "${VERSION}"
exit 0;;
-h|--help)
usage;;
-w|--wget)
DOWNLOADER="wget"
DOWNLOADER_OPTS=""
shift 1
if [ $# -lt 1 ] ; then
usage
fi
;;
-c|--cache)
CACHING=true
shift 1
if [ $# -lt 1 ] ; then
usage
fi
;;
*) ## startup tasks ##
while [ $# -gt 0 ] ; do
case $1 in
-v|--verbose)
VERBOSE=true
shift 1
if [ $# -lt 1 ] ; then
usage
fi
;;
-V|--version)
printf "%s" "${VERSION}"
exit 0;;
-h|--help)
usage;;
-w|--wget)
DOWNLOADER="wget"
DOWNLOADER_OPTS=""
shift 1
if [ $# -lt 1 ] ; then
usage
fi
;;
-c|--cache)
CACHING=true
shift 1
if [ $# -lt 1 ] ; then
usage
fi
;;
*) ## startup tasks ##
edo mkdir -p "${INSTALL_BASE}"
edo mkdir -p "${BIN_LOCATION}"
edo mkdir -p "${CACHE_LOCATION}"
edo mkdir -p "${INSTALL_BASE}"
edo mkdir -p "${BIN_LOCATION}"
edo mkdir -p "${CACHE_LOCATION}"
# clean up old meta files
if [ -e "${CACHE_LOCATION}/$(basename "${META_VERSION_URL}")" ] ; then
edo rm "${CACHE_LOCATION}/$(basename "${META_VERSION_URL}")"
fi
if [ -e "${CACHE_LOCATION}/$(basename "${META_DOWNLOAD_URL}")" ] ; then
edo rm "${CACHE_LOCATION}/$(basename "${META_DOWNLOAD_URL}")"
fi
# clean up old meta files
if [ -e "${CACHE_LOCATION}/$(basename "${META_VERSION_URL}")" ] ; then
edo rm "${CACHE_LOCATION}/$(basename "${META_VERSION_URL}")"
# check for available commands
missing_commands="$(check_required_commands ${DOWNLOADER})"
if [ -n "${missing_commands}" ] ; then
die "Following commands are required, but missing, please install: ${missing_commands}"
fi
unset missing_commands
case $1 in
install)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) install_usage;;
-f|--force) FORCE=true
shift 1;;
*) GHC_VER=$1
break;;
esac
done
if [ -z "${GHC_VER}" ] ; then
_tool_ver="$(get_tool_ver_from_tag "ghc" "recommended")"
if [ -z "${_tool_ver}" ] ; then
die "Could not find a recommended GHC version, please report a bug at ${BUG_URL}!"
fi
install_ghc "${_tool_ver}"
else
# could be a version or a tag, let's check
if array_contains "${GHC_VER}" "$(known_tool_versions "ghc")" ; then
install_ghc "${GHC_VER}"
elif array_contains "${GHC_VER}" "$(known_tool_tags "ghc")" ; then
install_ghc "$(get_tool_ver_from_tag "ghc" "${GHC_VER}")"
else
die "\"${GHC_VER}\" is not a known version or tag!"
fi
fi
if [ -e "${CACHE_LOCATION}/$(basename "${META_DOWNLOAD_URL}")" ] ; then
edo rm "${CACHE_LOCATION}/$(basename "${META_DOWNLOAD_URL}")"
fi
# check for available commands
missing_commands="$(check_required_commands ${DOWNLOADER})"
if [ -n "${missing_commands}" ] ; then
die "Following commands are required, but missing, please install: ${missing_commands}"
fi
unset missing_commands
case $1 in
install)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) install_usage;;
-f|--force) FORCE=true
shift 1;;
*) GHC_VER=$1
break;;
esac
done
if [ -z "${GHC_VER}" ] ; then
_tool_ver="$(get_tool_ver_from_tag "ghc" "recommended")"
if [ -z "${_tool_ver}" ] ; then
die "Could not find a recommended GHC version, please report a bug at ${BUG_URL}!"
fi
install_ghc "${_tool_ver}"
else
# could be a version or a tag, let's check
if array_contains "${GHC_VER}" "$(known_tool_versions "ghc")" ; then
install_ghc "${GHC_VER}"
elif array_contains "${GHC_VER}" "$(known_tool_tags "ghc")" ; then
install_ghc "$(get_tool_ver_from_tag "ghc" "${GHC_VER}")"
else
die "\"${GHC_VER}\" is not a known version or tag!"
fi
fi
break;;
set)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) set_usage;;
*) GHC_VER=$1
break;;
esac
done
if [ -z "${GHC_VER}" ] ; then
_tool_ver="$(get_tool_ver_from_tag "ghc" "recommended")"
if [ -z "${_tool_ver}" ] ; then
die "Could not find a recommended GHC version, please report a bug at ${BUG_URL}!"
fi
set_ghc "${_tool_ver}"
else
# could be a version or a tag, let's check
if array_contains "${GHC_VER}" "$(known_tool_versions "ghc")" ; then
set_ghc "${GHC_VER}"
elif array_contains "${GHC_VER}" "$(known_tool_tags "ghc")" ; then
set_ghc "$(get_tool_ver_from_tag "ghc" "${GHC_VER}")"
else
die "\"${GHC_VER}\" is not a known version or tag!"
fi
fi
break;;
upgrade)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) upgrade_usage;;
*) TARGET_LOCATION=$1
break;;
esac
done
if [ -n "${TARGET_LOCATION}" ] ; then
upgrade "${TARGET_LOCATION}"
else
upgrade "$(dirname "$(posix_realpath "${SOURCE}")")"
fi
break;;
show)
SHOW_INSTALLED=false
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) show_usage;;
-i|--installed) SHOW_INSTALLED=true
break;;
*) show_usage;;
esac
done
if ${SHOW_INSTALLED} ; then
show_ghc_installed
else
show_ghc
fi
break;;
rm)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) rm_usage;;
-f|--force) FORCE=true
shift 1;;
*) GHC_VER=$1
break;;
esac
done
[ -n "${GHC_VER}" ] || rm_usage
rm_ghc "${GHC_VER}"
break;;
install-cabal)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) install_cabal_usage;;
-f|--force) FORCE=true
shift 1;;
*) CABAL_VER=$1
break;;
esac
done
if [ -n "${CABAL_VER}" ] ; then
# could be a version or a tag, let's check
if array_contains "${CABAL_VER}" "$(known_tool_versions "cabal-install")" ; then
install_cabal "${CABAL_VER}"
elif array_contains "${CABAL_VER}" "$(known_tool_tags "cabal-install")" ; then
install_cabal "$(get_tool_ver_from_tag "cabal-install" "${CABAL_VER}")"
else
die "\"${CABAL_VER}\" is not a known version or tag!"
fi
else
_cabal_ver="$(get_tool_ver_from_tag "cabal-install" "recommended")"
if [ -z "${_cabal_ver}" ] ; then
die "Could not find a recommended cabal-install version, please report a bug at ${BUG_URL}!"
fi
install_cabal "${_cabal_ver}"
fi
break;;
compile)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) compile_usage;;
-f|--force) FORCE=true
shift 1;;
-j|--jobs) JOBS=$2
shift 2;;
-c|--build-config) BUILD_CONFIG=$2
shift 2;;
*) GHC_VER=$1
BOOTSTRAP_GHC=$2
break;;
esac
done
[ -n "${GHC_VER}" ] || compile_usage
[ -n "${BOOTSTRAP_GHC}" ] || compile_usage
compile_ghc "${GHC_VER}" "${BOOTSTRAP_GHC}" "${BUILD_CONFIG}"
break;;
debug-info)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) debug_info_usage;;
*) debug_info_usage;;
esac
done
print_debug_info
break;;
list)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) list_usage;;
-t|--tool) TOOL=$2
shift 2;;
*) list_usage;;
esac
done
list "${TOOL}"
break;;
*) usage;;
esac
break;;
esac
done
fi # is_sourced
set)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) set_usage;;
*) GHC_VER=$1
break;;
esac
done
if [ -z "${GHC_VER}" ] ; then
_tool_ver="$(get_tool_ver_from_tag "ghc" "recommended")"
if [ -z "${_tool_ver}" ] ; then
die "Could not find a recommended GHC version, please report a bug at ${BUG_URL}!"
fi
set_ghc "${_tool_ver}"
else
# could be a version or a tag, let's check
if array_contains "${GHC_VER}" "$(known_tool_versions "ghc")" ; then
set_ghc "${GHC_VER}"
elif array_contains "${GHC_VER}" "$(known_tool_tags "ghc")" ; then
set_ghc "$(get_tool_ver_from_tag "ghc" "${GHC_VER}")"
else
die "\"${GHC_VER}\" is not a known version or tag!"
fi
fi
break;;
upgrade)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) upgrade_usage;;
*) TARGET_LOCATION=$1
break;;
esac
done
if [ -n "${TARGET_LOCATION}" ] ; then
upgrade "${TARGET_LOCATION}"
else
upgrade "$(dirname "$(posix_realpath "${SOURCE}")")"
fi
break;;
show)
SHOW_INSTALLED=false
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) show_usage;;
-i|--installed) SHOW_INSTALLED=true
break;;
*) show_usage;;
esac
done
if ${SHOW_INSTALLED} ; then
show_ghc_installed
else
show_ghc
fi
break;;
rm)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) rm_usage;;
-f|--force) FORCE=true
shift 1;;
*) GHC_VER=$1
break;;
esac
done
[ -n "${GHC_VER}" ] || rm_usage
rm_ghc "${GHC_VER}"
break;;
install-cabal)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) install_cabal_usage;;
-f|--force) FORCE=true
shift 1;;
*) CABAL_VER=$1
break;;
esac
done
if [ -n "${CABAL_VER}" ] ; then
# could be a version or a tag, let's check
if array_contains "${CABAL_VER}" "$(known_tool_versions "cabal-install")" ; then
install_cabal "${CABAL_VER}"
elif array_contains "${CABAL_VER}" "$(known_tool_tags "cabal-install")" ; then
install_cabal "$(get_tool_ver_from_tag "cabal-install" "${CABAL_VER}")"
else
die "\"${CABAL_VER}\" is not a known version or tag!"
fi
else
_cabal_ver="$(get_tool_ver_from_tag "cabal-install" "recommended")"
if [ -z "${_cabal_ver}" ] ; then
die "Could not find a recommended cabal-install version, please report a bug at ${BUG_URL}!"
fi
install_cabal "${_cabal_ver}"
fi
break;;
compile)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) compile_usage;;
-f|--force) FORCE=true
shift 1;;
-j|--jobs) JOBS=$2
shift 2;;
-c|--build-config) BUILD_CONFIG=$2
shift 2;;
*) GHC_VER=$1
BOOTSTRAP_GHC=$2
break;;
esac
done
[ -n "${GHC_VER}" ] || compile_usage
[ -n "${BOOTSTRAP_GHC}" ] || compile_usage
compile_ghc "${GHC_VER}" "${BOOTSTRAP_GHC}" "${BUILD_CONFIG}"
break;;
debug-info)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) debug_info_usage;;
*) debug_info_usage;;
esac
done
print_debug_info
break;;
list)
shift 1
while [ $# -gt 0 ] ; do
case $1 in
-h|--help) list_usage;;
-t|--tool) TOOL=$2
shift 2;;
*) list_usage;;
esac
done
list "${TOOL}"
break;;
*) usage;;
esac
break;;
esac
done
# vim: tabstop=4 shiftwidth=4 expandtab