$ git clone -n https://src.fedoraproject.org/rpms/cereal.git /var/lib/mock/f40-build-780364-130935/root/chroot_tmpdir/scmroot/cereal
Cloning into '/var/lib/mock/f40-build-780364-130935/root/chroot_tmpdir/scmroot/cereal'...
$ git fetch origin de29d17e028b31ff649c52be4b3be5b3868c5672:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cereal
 * [new ref]         de29d17e028b31ff649c52be4b3be5b3868c5672 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de29d17 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild