$ git clone -n https://gitee.com/wency_cn/redis.git /var/lib/mock/dist-an23-build-494045-74584/root/chroot_tmpdir/scmroot/redis
Cloning into '/var/lib/mock/dist-an23-build-494045-74584/root/chroot_tmpdir/scmroot/redis'...
$ git fetch origin bfc347b0505f0f3b2c56df7eca3d60ea9dac76a7:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/redis
 * [new ref]         bfc347b0505f0f3b2c56df7eca3d60ea9dac76a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfc347b Update code from upstream