File _service of Package libostree

<services>
  <service name="tar_scm" mode="disabled">
    <param name="url">https://github.com/ostreedev/ostree.git</param>
    <param name="scm">git</param>
    <param name="versionformat">2017.3</param>
    <param name="filename">libostree</param>
    <param name="changesgenerate">enable</param>
    <param name="revision">refs/tags/v2017.3</param>
  </service>
  <service name="recompress" mode="disabled">
    <param name="file">*.tar</param>
    <param name="compression">xz</param>
  </service>
  <service name="set_version" mode="disabled"/>
</services>