$ git clone -n https://src.fedoraproject.org/rpms/mutter328.git /var/lib/mock/f31-build-112636-34295/root/chroot_tmpdir/scmroot/mutter328
Cloning into '/var/lib/mock/f31-build-112636-34295/root/chroot_tmpdir/scmroot/mutter328'...
$ git reset --hard 05a8c66d56f974a9c672308f939cd6971d058075
HEAD is now at 05a8c66 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild