$ git clone -n https://gitee.com/src-opencloudos-rpms/ocaml-labltk.git /var/lib/mock/dist-oc9-build-121238-71599/root/chroot_tmpdir/scmroot/ocaml-labltk
Cloning into '/var/lib/mock/dist-oc9-build-121238-71599/root/chroot_tmpdir/scmroot/ocaml-labltk'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ocaml-labltk
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ec2a5a import ocaml-labltk-8.06.12-8.tl4