File _service of Package snapd-glib

<services>
  <service name="tar_scm">
    <param name="url">https://github.com/snapcore/snapd-glib.git</param>
    <param name="scm">git</param>
    <param name="versionformat">@PARENT_TAG@</param>
    <param name="filename">snapd-glib</param>
    <param name="revision">master</param>
  </service>
  <service name="recompress">
    <param name="file">*.tar</param>
    <param name="compression">xz</param>
  </service>
</services>