$ git clone -n https://src.fedoraproject.org/rpms/mmg.git /var/lib/mock/f31-build-56087-28183/root/thebuilddir/tmp/scmroot/mmg
Cloning into '/var/lib/mock/f31-build-56087-28183/root/thebuilddir/tmp/scmroot/mmg'...
$ git reset --hard 14c1fa5c03722f7bc264a0e75a7202073a53da94
HEAD is now at 14c1fa5 Update to 5.4.1