$ git clone -n https://gitee.com/fundawang/iptables.git /var/lib/mock/dist-an23-build-191790-60797/root/chroot_tmpdir/scmroot/iptables
Cloning into '/var/lib/mock/dist-an23-build-191790-60797/root/chroot_tmpdir/scmroot/iptables'...
$ git fetch origin 41c2076f3763f427fad44320e32dac2787b76426:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/iptables
 * [new ref]         41c2076f3763f427fad44320e32dac2787b76426 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41c2076 rebuild for new libnfnetlink