$ git clone -n https://src.fedoraproject.org/rpms/mftrace.git /var/lib/mock/f31-build-51995-27590/root/thebuilddir/tmp/scmroot/mftrace
Cloning into '/var/lib/mock/f31-build-51995-27590/root/thebuilddir/tmp/scmroot/mftrace'...
$ git reset --hard 4be0ee59efc2f05d15ce691337319eae5b8e0f1e
HEAD is now at 4be0ee5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild