core/pkgs/build-support/setup-hooks/patch-rc-path-hooks/patch-rc-path-bash.sh
2024-05-13 11:34:52 -04:00

51 lines
1.8 KiB
Bash

patchRcPathBash(){
local FILE_TO_PATCH="$1"
local SOURCETIME_PATH="$2"
local FILE_TO_WORK_ON="$(mktemp "$(basename "$FILE_TO_PATCH").XXXXXX.tmp")"
cat <<EOF >> "$FILE_TO_WORK_ON"
# Lines to add to PATH the source-time utilities for Nixpkgs packaging
if [[ -n "\${NIXPKGS_SOURCETIME_PATH-}" ]]; then
NIXPKGS_SOURCETIME_PATH_OLD="\$NIXPKGS_SOURCETIME_PATH;\${NIXPKGS_SOURCETIME_PATH_OLD-}"
fi
NIXPKGS_SOURCETIME_PATH="$SOURCETIME_PATH"
if [[ -n "\$PATH" ]]; then
PATH="\$NIXPKGS_SOURCETIME_PATH:\$PATH"
else
PATH="\$NIXPKGS_SOURCETIME_PATH"
fi
export PATH
# End of lines to add to PATH source-time utilities for Nixpkgs packaging
EOF
cat "$FILE_TO_PATCH" >> "$FILE_TO_WORK_ON"
cat <<EOF >> "$FILE_TO_WORK_ON"
# Lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
if [[ -n "\${PATH-}" ]]; then
# Remove the inserted section
PATH="\${PATH/\$NIXPKGS_SOURCETIME_PATH}"
# Remove the duplicated colons
PATH="\${PATH//::/:}"
# Remove the prefixing colon
if [[ -n "\$PATH" && "\${PATH:0:1}" == ":" ]]; then
PATH="\${PATH:1}"
fi
# Remove the trailing colon
if [[ -n "\$PATH" && "\${PATH:\${#PATH}-1}" == ":" ]]; then
PATH="\${PATH::}"
fi
export PATH
fi
if [[ -n "\${NIXPKGS_SOURCETIME_PATH_OLD-}" ]]; then
IFS="" read -r -d ";" NIXPKGS_SOURCETIME_PATH <<< "\$NIXPKGS_SOURCETIME_PATH_OLD"
NIXPKGS_SOURCETIME_PATH_OLD="\${NIXPKGS_SOURCETIME_PATH_OLD:\${#NIXPKGS_SOURCETIME_PATH}+1}"
else
unset NIXPKGS_SOURCETIME_PATH
fi
if [[ -z "\${NIXPKGS_SOURCETIME_PATH_OLD-}" ]]; then
unset NIXPKGS_SOURCETIME_PATH_OLD
fi
# End of lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
EOF
cat "$FILE_TO_WORK_ON" > "$FILE_TO_PATCH"
rm "$FILE_TO_WORK_ON"
}