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

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patchRcPathPosix(){
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 >> "$FILE_TO_WORK_ON"
# Lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
if [ -n "\${PATH-}" ]; then
PATH="\$(echo "\$PATH" | @sed@ "s#\$NIXPKGS_SOURCETIME_PATH##" | @sed@ "s#::#:#g" | @sed@ "s#^:##" | @sed@ "s#:\\\$##")"
export PATH
fi
if [ -n "\${NIXPKGS_SOURCETIME_PATH_OLD-}" ]; then
NIXPKGS_SOURCETIME_PATH="\$(echo "\$NIXPKGS_SOURCETIME_PATH_OLD" | @sed@ "s#\\([^;]\\);.*#\\1#")"
NIXPKGS_SOURCETIME_PATH_OLD="\$(echo "\$NIXPKGS_SOURCETIME_PATH_OLD" | @sed@ "s#[^;];\\(.*\\)#\\1#")"
else
unset NIXPKGS_SOURCETIME_PATH
fi
if [ -z "\${NIXPKGS_SOURCETIME_PATH_OLD-}" ]; then
unset NIXPKGS_SOURCETIME_PATH_OLD
fi
# End of lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
EOF
cat "$FILE_TO_WORK_ON" > "$FILE_TO_PATCH"
rm "$FILE_TO_WORK_ON"
}