File _service of Package docker

<services>
  <service name="tar_scm" mode="disabled">
    <param name="url">https://github.com/docker/docker.git</param>
    <param name="scm">git</param>
    <param name="exclude">.git</param>
    <param name="versionformat">1.12.6</param>
    <param name="revision">v1.12.6</param>
  </service>
  <service name="recompress" mode="disabled">
    <param name="file">docker-*.tar</param>
    <param name="compression">xz</param>
  </service>
  <service name="set_version" mode="disabled">
    <param name="basename">docker</param>
  </service>
</services>