$ git clone -n https://gitee.com/src-opencloudos-rpms/python-ovs.git /var/lib/mock/dist-oc9-epol-build-54104-14768/root/chroot_tmpdir/scmroot/python-ovs
Cloning into '/var/lib/mock/dist-oc9-epol-build-54104-14768/root/chroot_tmpdir/scmroot/python-ovs'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-ovs
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 706c85a import python-ovs-2.16.0-2.tl4