$ git clone -n https://gitee.com/src-opencloudos-rpms/ocaml-dune.git /var/lib/mock/dist-oc9-build-70933-47489/root/chroot_tmpdir/scmroot/ocaml-dune
Cloning into '/var/lib/mock/dist-oc9-build-70933-47489/root/chroot_tmpdir/scmroot/ocaml-dune'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ocaml-dune
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0eee02 import ocaml-dune-3.10.0-2.tl4