File _service of Package doctest

<services>
  <service name="tar_scm">
    <param name="url">https://github.com/doctest/doctest.git</param>
    <param name="scm">git</param>
    <param name="filename">doctest</param>
    <param name="revision">v2.4.12</param>
    <param name="versionformat">2.4.12</param>
  </service>

  <service name="recompress">
    <param name="file">*doctest-*.tar</param>
    <param name="compression">xz</param>
  </service>

  <service name="set_version">
    <param name="basename">doctest</param>
  </service>
</services>