$ git clone -n https://src.fedoraproject.org/rpms/cataclysm-dda.git /var/lib/mock/f41-build-2441668-25470/root/chroot_tmpdir/scmroot/cataclysm-dda
Cloning into '/var/lib/mock/f41-build-2441668-25470/root/chroot_tmpdir/scmroot/cataclysm-dda'...
$ git fetch origin daf378627b7cde2492360600bdd17a2fa9a6e756:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cataclysm-dda
 * [new ref]         daf378627b7cde2492360600bdd17a2fa9a6e756 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at daf3786 convert license to SPDX