$ git clone -n https://src.fedoraproject.org/rpms/libqxt-qt5.git /var/lib/mock/f29-build-3075-847/root/thebuilddir/tmp/scmroot/libqxt-qt5
Cloning into '/var/lib/mock/f29-build-3075-847/root/thebuilddir/tmp/scmroot/libqxt-qt5'...
$ git reset --hard d8454afee294e1e96522b32281d2f6f6124d3483
HEAD is now at d8454af - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild