$ git clone -n https://gitee.com/opencloudos-stream/openvswitch.git /var/lib/mock/dist-ocs23-build-22440-1070/root/chroot_tmpdir/scmroot/openvswitch
Cloning into '/var/lib/mock/dist-ocs23-build-22440-1070/root/chroot_tmpdir/scmroot/openvswitch'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/openvswitch
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26fd0b2 OCS package init