$ git clone -n https://gitee.com/src-opencloudos-rpms/ocaml-ocamlbuild.git /var/lib/mock/dist-oc9-build-47414-14592/root/chroot_tmpdir/scmroot/ocaml-ocamlbuild
Cloning into '/var/lib/mock/dist-oc9-build-47414-14592/root/chroot_tmpdir/scmroot/ocaml-ocamlbuild'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ocaml-ocamlbuild
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b20a9a import ocaml-ocamlbuild-0.14.0-4.tl4