$ git clone -n https://gitee.com/wency_cn/iw.git /var/lib/mock/dist-an23-build-497935-74608/root/chroot_tmpdir/scmroot/iw
Cloning into '/var/lib/mock/dist-an23-build-497935-74608/root/chroot_tmpdir/scmroot/iw'...
$ git fetch origin d823e920178dc1a56946f20522b5f8cf8cb4ab44:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/iw
 * [new ref]         d823e920178dc1a56946f20522b5f8cf8cb4ab44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d823e92 Update code from upstream