$ git clone -n https://src.fedoraproject.org/rpms/zeitgeist.git /var/lib/mock/f40-build-2046591-48885/root/chroot_tmpdir/scmroot/zeitgeist
Cloning into '/var/lib/mock/f40-build-2046591-48885/root/chroot_tmpdir/scmroot/zeitgeist'...
$ git fetch origin 14a5e182aa18d9dad20f36cac2b51d28814b95d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zeitgeist
 * [new ref]         14a5e182aa18d9dad20f36cac2b51d28814b95d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14a5e18 SPDX migration