$ git clone -n https://src.fedoraproject.org/rpms/ocaml-fpath.git /var/lib/mock/f40-build-739719-109214/root/chroot_tmpdir/scmroot/ocaml-fpath
Cloning into '/var/lib/mock/f40-build-739719-109214/root/chroot_tmpdir/scmroot/ocaml-fpath'...
$ git fetch origin 239f8c7b131f7f6e75d09fad5218caf39cc348df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-fpath
 * [new ref]         239f8c7b131f7f6e75d09fad5218caf39cc348df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 239f8c7 OCaml 5.1 rebuild for Fedora 40