$ git clone -n https://gitee.com/src-opencloudos-rpms/iptables.git /var/lib/mock/dist-oc9-build-234320-81958/root/chroot_tmpdir/scmroot/iptables
Cloning into '/var/lib/mock/dist-oc9-build-234320-81958/root/chroot_tmpdir/scmroot/iptables'...
$ git fetch origin 2574986636cc17175cd0fb988d27250ab954ca02:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/iptables
 * [new ref]         2574986636cc17175cd0fb988d27250ab954ca02 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2574986 import iptables-1.8.9-5.tl4