$ git clone -n https://src.fedoraproject.org/rpms/ocaml-uucd.git /var/lib/mock/f39-build-1512921-35580/root/chroot_tmpdir/scmroot/ocaml-uucd
Cloning into '/var/lib/mock/f39-build-1512921-35580/root/chroot_tmpdir/scmroot/ocaml-uucd'...
$ git fetch origin 8383be55907e1b04ed20878abf4a709d44772f31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-uucd
 * [new ref]         8383be55907e1b04ed20878abf4a709d44772f31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8383be5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild