File _servicedata of Package pwtool

<servicedata>
  <service name="tar_scm">
    <param name="url">https://gitlab.com/edneville/pwtool.git</param>
    <param name="changesrevision">c23862c6a2da5bb494f15c1b1d6f96fb081d0074</param>
  </service>
</servicedata>