$ git clone -n https://gitee.com/opencloudos-stream/ocaml-cppo.git /var/lib/mock/dist-ocs23-build-22000-1041/root/chroot_tmpdir/scmroot/ocaml-cppo
Cloning into '/var/lib/mock/dist-ocs23-build-22000-1041/root/chroot_tmpdir/scmroot/ocaml-cppo'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ocaml-cppo
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e523490 OCS package init