$ git clone -n https://src.fedoraproject.org/rpms/mm.git /var/lib/mock/f31-build-110923-34090/root/chroot_tmpdir/scmroot/mm
Cloning into '/var/lib/mock/f31-build-110923-34090/root/chroot_tmpdir/scmroot/mm'...
$ git reset --hard d30d7017366d68adb6f5b0610e0b6786d94ad418
HEAD is now at d30d701 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild