$ git clone -n https://src.fedoraproject.org/rpms/mutter.git /var/lib/mock/f31-build-112634-34295/root/chroot_tmpdir/scmroot/mutter
Cloning into '/var/lib/mock/f31-build-112634-34295/root/chroot_tmpdir/scmroot/mutter'...
$ git reset --hard 5126a17b56e2bec9c1b16ea9c8f1cbb16d729013
HEAD is now at 5126a17 Update previous patch to final upstream version