$ git clone -n https://src.fedoraproject.org/rpms/ocaml-uunf.git /var/lib/mock/f45-build-20760-573/root/chroot_tmpdir/scmroot/ocaml-uunf
Cloning into '/var/lib/mock/f45-build-20760-573/root/chroot_tmpdir/scmroot/ocaml-uunf'...
$ git fetch origin a01a3fe09748b0aaa960e14144091d8c0d49db79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-uunf
 * [new ref]         a01a3fe09748b0aaa960e14144091d8c0d49db79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a01a3fe Ensure the Unicode test file version matches