$ git clone -n https://src.fedoraproject.org/rpms/cinnamon.git /var/lib/mock/f41-build-1034479-18634/root/chroot_tmpdir/scmroot/cinnamon
Cloning into '/var/lib/mock/f41-build-1034479-18634/root/chroot_tmpdir/scmroot/cinnamon'...
$ git fetch origin 0763c3c4debc5cbba6e179c865a26aeec0c9400e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cinnamon
 * [new ref]         0763c3c4debc5cbba6e179c865a26aeec0c9400e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0763c3c Fix