$ git clone -n https://src.fedoraproject.org/rpms/ocaml-opam-0install-cudf.git /var/lib/mock/f42-build-865920-173583/root/chroot_tmpdir/scmroot/ocaml-opam-0install-cudf
Cloning into '/var/lib/mock/f42-build-865920-173583/root/chroot_tmpdir/scmroot/ocaml-opam-0install-cudf'...
$ git fetch origin 5f633659c9bcdd80c73da118b0edf7e4d2b664b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-opam-0install-cudf
 * [new ref]         5f633659c9bcdd80c73da118b0edf7e4d2b664b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f63365 OCaml 5.3.0 rebuild for Fedora 42