File _service of Package screen

<services>
  <service name="obs_scm">
    <param name="url">https://git.savannah.gnu.org/git/screen.git</param>
    <param name="scm">git</param>
    <param name="changesgenerate">enable</param>
    <param name="filename">screen</param>
    <param name="version">master</param>
    <param name="versionformat">5.0.0+git%cd.%h</param>
  </service>
  <service name="tar" mode="buildtime"/>
  <service name="recompress" mode="buildtime">
    <param name="file">*.tar</param>
    <param name="compression">xz</param>
  </service>
  <service name="set_version" mode="disabled"/>
</services>