$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ctypes.git /var/lib/mock/f41-build-811398-147385/root/chroot_tmpdir/scmroot/ocaml-ctypes
Cloning into '/var/lib/mock/f41-build-811398-147385/root/chroot_tmpdir/scmroot/ocaml-ctypes'...
$ git fetch origin eb43783e5073e4a0b413662664d4a3ccafc73628:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ctypes
 * [new ref]         eb43783e5073e4a0b413662664d4a3ccafc73628 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb43783 OCaml 5.2.0 for Fedora 41