File _service of Package fmt

<services>
  <service name="tar_scm">
    <param name="scm">git</param>
    <param name="url">https://github.com/fmtlib/fmt.git</param>
    <param name="filename">fmt</param>
    <param name='versionformat'>%ci~%h</param>
    <param name="versionprefix">8.1.1</param>
    <param name="changesgenerate">enable</param>
  </service>
  <service name="recompress">
    <param name="file">*tar</param>
    <param name="compression">xz</param>
  </service>
  <service name="set_version"/>
</services>