$ git clone -n https://src.fedoraproject.org/rpms/erlang-cluster_info.git /var/lib/mock/f41-build-side-1-2811252-32927/root/chroot_tmpdir/scmroot/erlang-cluster_info
Cloning into '/var/lib/mock/f41-build-side-1-2811252-32927/root/chroot_tmpdir/scmroot/erlang-cluster_info'...
$ git fetch origin d8f8dcf1315ba7c787ea95f64901ba1b395ba5ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-cluster_info
 * [new ref]         d8f8dcf1315ba7c787ea95f64901ba1b395ba5ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8f8dcf Cosmetic changes