$ git clone -n https://src.fedoraproject.org/rpms/ocaml-stdlib-random.git /var/lib/mock/f40-build-2244662-53717/root/chroot_tmpdir/scmroot/ocaml-stdlib-random
Cloning into '/var/lib/mock/f40-build-2244662-53717/root/chroot_tmpdir/scmroot/ocaml-stdlib-random'...
$ git fetch origin ce869b9208acfe47e0895cd38ef5ef11b4d607c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-stdlib-random
 * [new ref]         ce869b9208acfe47e0895cd38ef5ef11b4d607c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce869b9 OCaml 5.1.1 + s390x code gen fix for Fedora 40