$ git clone -n https://gitee.com/opencloudos-stream/iptables.git /var/lib/mock/dist-ocs23-build-120627-8678/root/chroot_tmpdir/scmroot/iptables
Cloning into '/var/lib/mock/dist-ocs23-build-120627-8678/root/chroot_tmpdir/scmroot/iptables'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/iptables
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 664e5e0 !1 Upgrade to version 1.8.9 Merge pull request !1 from ZoeDong/master