$ git clone -n https://src.fedoraproject.org/rpms/gupnp-av.git /var/lib/mock/f29-build-2604-760/root/thebuilddir/tmp/scmroot/gupnp-av
Cloning into '/var/lib/mock/f29-build-2604-760/root/thebuilddir/tmp/scmroot/gupnp-av'...
$ git reset --hard c2a33e8dc0eb6b22bf8eda7600fcbb6dc68e7282
HEAD is now at c2a33e8 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild