File _servicedata of Package chainguard-dfc

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/chainguard-dev/dfc</param>
              <param name="changesrevision">9dd1ac8a7e48e6b0522634a6aa4f9c0cb8c256f6</param></service></servicedata>