File _servicedata of Package drush

<servicedata>
  <service name="tar_scm">
    <param name="url">git://github.com/drush-ops/drush.git</param>
    <param name="changesrevision">bbaff2dc725a5f3eb22006c5de3dc92a2de54b08</param>
  </service>
</servicedata>