$ git clone -n https://src.fedoraproject.org/rpms/prelude-correlator.git /var/lib/mock/f41-build-side-1-3134467-39756/root/chroot_tmpdir/scmroot/prelude-correlator
Cloning into '/var/lib/mock/f41-build-side-1-3134467-39756/root/chroot_tmpdir/scmroot/prelude-correlator'...
$ git fetch origin 6fa2ad1e67a0ab1c5fe5a5a0fc9a102b8a7d6b51:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/prelude-correlator
 * [new ref]         6fa2ad1e67a0ab1c5fe5a5a0fc9a102b8a7d6b51 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fa2ad1 Retired: https://pagure.io/releng/issue/12278