#!/hint/bash

##
# Just like systemd-notify(1), but slower, which is a shitty
# workaround for a race condition in systemd.
##
systemd-notify() {
	local args
	args="$(getopt -n systemd-notify -o h -l help,version,ready,pid::,status:,booted -- "$@")"
	ret=$?; [[ $ret == 0 ]] || return $ret
	eval set -- "$args"

	local arg_ready=false
	local arg_pid=0
	local arg_status=
	while [[ $# -gt 0 ]]; do
		case "$1" in
			-h|--help) command systemd-notify --help; return $?;;
			--version) command systemd-notify --version; return $?;;
			--ready) arg_ready=true; shift 1;;
			--pid) arg_pid=${2:-$$}; shift 2;;
			--status) arg_status=$2; shift 2;;
			--booted) command systemd-notify --booted; return $?;;
			--) shift 1; break;;
		esac
	done

	local our_env=()
	if $arg_ready; then
		our_env+=("READY=1")
	fi
	if [[ -n "$arg_status" ]]; then
		our_env+=("STATUS=$arg_status")
	fi
	if [[ "$arg_pid" -gt 0 ]]; then
		our_env+=("MAINPID=$arg_pid")
	fi
	our_env+=("$@")
	local n
	printf -v n '%s\n' "${our_env[@]}"
	socat STDIO UNIX-SENDTO:"$NOTIFY_SOCKET" <<<"$n"
}