$ git clone -n https://gitee.com/wency_cn/nmap.git /var/lib/mock/dist-an23-build-507640-74937/root/chroot_tmpdir/scmroot/nmap
Cloning into '/var/lib/mock/dist-an23-build-507640-74937/root/chroot_tmpdir/scmroot/nmap'...
$ git fetch origin b854c1c4438f5cc82eecfbe4168f8f7b98411f7b:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/nmap
 * [new ref]         b854c1c4438f5cc82eecfbe4168f8f7b98411f7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b854c1c Update code from upstream