$ git clone -n https://src.fedoraproject.org/rpms/cantor.git /var/lib/mock/f42-build-864306-172280/root/chroot_tmpdir/scmroot/cantor
Cloning into '/var/lib/mock/f42-build-864306-172280/root/chroot_tmpdir/scmroot/cantor'...
$ git fetch origin ea51a060433f565ece3bafe25fd53d44612f8617:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cantor
 * [new ref]         ea51a060433f565ece3bafe25fd53d44612f8617 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea51a06 24.12.0