$ git clone -n https://src.fedoraproject.org/rpms/erlang-cuttlefish.git /var/lib/mock/f39-build-1497135-34594/root/chroot_tmpdir/scmroot/erlang-cuttlefish
Cloning into '/var/lib/mock/f39-build-1497135-34594/root/chroot_tmpdir/scmroot/erlang-cuttlefish'...
$ git fetch origin a9122fa5ecf829a76e93d5928b2bae6bbba7d5a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-cuttlefish
 * [new ref]         a9122fa5ecf829a76e93d5928b2bae6bbba7d5a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9122fa Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild