File _service of Package systemd

<!-- See https://en.opensuse.org/openSUSE:Build_Service_Concept_SourceService -->
<!-- for more details on the syntax -->

<services>
	<service name="obs_scm">
		<param name="scm">git</param>
		<param name="url">https://github.com/systemd/systemd.git</param>
		<param name="filename">systemd</param>
		<param name="versionformat">259~devel+git%cd.%h</param>
		<param name="revision">main</param>
		<param name="versionrewrite-pattern">^v|-()</param>
		<param name="versionrewrite-replacement"></param>
		<param name="changesgenerate">enable</param>
		<param name="submodules">disable</param>
	</service>
	<service name="tar" mode="buildtime"/>
	<service name="set_version" mode="buildtime"/>
</services>