File _service of Package wiliwili

<services>
  <service name="obs_scm">
    <param name="scm">git</param>
    <param name="url">https://github.com/xfangfang/wiliwili.git</param>
    <param name="revision">dev</param>
     <param name="versionformat">%cd</param>
  </service>
  <service name="set_version" mode="buildtime"/>
</services>