$ git clone -n https://gitee.com/src-opencloudos-rpms/openvswitch.git /var/lib/mock/dist-oc9-build-118587-69526/root/chroot_tmpdir/scmroot/openvswitch
Cloning into '/var/lib/mock/dist-oc9-build-118587-69526/root/chroot_tmpdir/scmroot/openvswitch'...
$ git fetch origin 64a094cafaa384610db7426aa06a3c5ec34b19f6:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/openvswitch
 * [new ref]         64a094cafaa384610db7426aa06a3c5ec34b19f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64a094c import openvswitch-3.1.1-9.tl4