File _service of Package libgphoto2

<services>
  <service name="obs_scm">
    <param name="url">https://github.com/gphoto/libgphoto2</param>
    <param name="scm">git</param>
    <param name="versionformat">2.5.26.git.%ct.%h</param>
  </service>
  <service mode="buildtime" name="tar"/>
  <service mode="buildtime" name="recompress">
    <param name="file">*.tar</param>
    <param name="compression">bz2</param>
  </service>
  <service  mode="buildtime" name="set_version"/>
</services>