$ git clone -n https://gitee.com/src-opencloudos-rpms/openvswitch.git /var/lib/mock/dist-oc9-build-121269-71604/root/chroot_tmpdir/scmroot/openvswitch
Cloning into '/var/lib/mock/dist-oc9-build-121269-71604/root/chroot_tmpdir/scmroot/openvswitch'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/openvswitch
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab7fb51 import openvswitch-3.1.1-10.tl4