$ git clone -n https://src.fedoraproject.org/rpms/ovn.git /var/lib/mock/f40-build-2265672-54616/root/chroot_tmpdir/scmroot/ovn
Cloning into '/var/lib/mock/f40-build-2265672-54616/root/chroot_tmpdir/scmroot/ovn'...
$ git fetch origin bf1349f3c578b1cd52215e81878031c87c3ca623:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ovn
 * [new ref]         bf1349f3c578b1cd52215e81878031c87c3ca623 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf1349f Sync to upstream OVN branch-23.09.