$ git clone -n https://gitee.com/src-opencloudos-rpms/metis.git /var/lib/mock/dist-oc9-build-121122-71552/root/chroot_tmpdir/scmroot/metis
Cloning into '/var/lib/mock/dist-oc9-build-121122-71552/root/chroot_tmpdir/scmroot/metis'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/metis
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c86c7f import metis-5.1.0-2.tl4