$ git clone -n https://src.fedoraproject.org/rpms/ocaml-re.git /var/lib/mock/f42-build-865558-173304/root/chroot_tmpdir/scmroot/ocaml-re
Cloning into '/var/lib/mock/f42-build-865558-173304/root/chroot_tmpdir/scmroot/ocaml-re'...
$ git fetch origin 832f61a10d76c8b945db20e9e3925cbd1cb71776:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-re
 * [new ref]         832f61a10d76c8b945db20e9e3925cbd1cb71776 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 832f61a OCaml 5.3.0 rebuild for Fedora 42