$ git clone -n https://src.fedoraproject.org/rpms/qjackctl.git /var/lib/mock/f29-build-3918-968/root/thebuilddir/tmp/scmroot/qjackctl
Cloning into '/var/lib/mock/f29-build-3918-968/root/thebuilddir/tmp/scmroot/qjackctl'...
$ git reset --hard f063522b250da7b7c4b1c8b1d3931f32a9ba1c2f
HEAD is now at f063522 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild