File incus-startup of Package incus

#!/bin/sh
# Copyright (C) 2023 Stéphane Graber <stgraber@stgraber.org>
# Copyright (C) 2024 Aleksa Sarai <cyphar@cyphar.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Based on <https://github.com/zabbly/incus/blob/stable/systemd/incus-startup>.

set -Eeuo pipefail

case "$1" in
start)
	systemctl is-active incus -q && exit 0
	exec /usr/sbin/incusd activateifneeded
;;

stop)
	systemctl is-active incus -q || exit 0
	exec /usr/sbin/incusd shutdown
;;

*)
	echo "unknown argument \`$1'" >&2
	exit 1
;;
esac