$ git clone -n https://src.fedoraproject.org/rpms/ocaml-re.git /var/lib/mock/f41-build-811185-147255/root/chroot_tmpdir/scmroot/ocaml-re
Cloning into '/var/lib/mock/f41-build-811185-147255/root/chroot_tmpdir/scmroot/ocaml-re'...
$ git fetch origin dd51b86940bdd30dcdb4370df38c01c6b5512640:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-re
 * [new ref]         dd51b86940bdd30dcdb4370df38c01c6b5512640 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd51b86 OCaml 5.2.0 for Fedora 41