$ git clone -n https://src.fedoraproject.org/rpms/ocaml-camlbz2.git /var/lib/mock/f40-build-2228875-53101/root/chroot_tmpdir/scmroot/ocaml-camlbz2
Cloning into '/var/lib/mock/f40-build-2228875-53101/root/chroot_tmpdir/scmroot/ocaml-camlbz2'...
$ git fetch origin c2a28fbc354229c049ad2ee8f3be20bf92869203:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-camlbz2
 * [new ref]         c2a28fbc354229c049ad2ee8f3be20bf92869203 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2a28fb OCaml 5.1.1 + s390x code gen fix for Fedora 40