$ git clone -n https://src.fedoraproject.org/rpms/ocaml-fileutils.git /var/lib/mock/f38-build-side-42-init-devel-707578-27193/root/chroot_tmpdir/scmroot/ocaml-fileutils
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-707578-27193/root/chroot_tmpdir/scmroot/ocaml-fileutils'...
$ git fetch origin 5e2f341d10a68a6fc1cc4ea3f4a3dced36a4b0ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-fileutils
 * [new ref]         5e2f341d10a68a6fc1cc4ea3f4a3dced36a4b0ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e2f341 Bump release and rebuild