File _servicedata of Package labwc-tweaks

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/labwc/labwc-tweaks.git</param>
              <param name="changesrevision">8404e2fcae8281b4cede8c1d13860eea83aebe12</param></service></servicedata>