$ git clone -n https://gitee.com/src-opencloudos-rpms/iptables.git /var/lib/mock/dist-oc8-build-72620-47981/root/chroot_tmpdir/scmroot/iptables
Cloning into '/var/lib/mock/dist-oc8-build-72620-47981/root/chroot_tmpdir/scmroot/iptables'...
$ git fetch origin 4f9d3180b7d23f95bd3789debd030f771b2ef3a3:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/iptables
 * [new ref]         4f9d3180b7d23f95bd3789debd030f771b2ef3a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f9d318 import iptables-1.8.5-11.tl3