$ git clone -n https://src.fedoraproject.org/rpms/mmg.git /var/lib/mock/f31-build-111038-34108/root/chroot_tmpdir/scmroot/mmg
Cloning into '/var/lib/mock/f31-build-111038-34108/root/chroot_tmpdir/scmroot/mmg'...
$ git reset --hard fe0c25332b4bd13cef5128b5b0ab4e314704ccd5
HEAD is now at fe0c253 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild