$ git clone -n https://gitee.com/wency_cn/at_1768594344.git /var/lib/mock/dist-an23-build-507738-74937/root/chroot_tmpdir/scmroot/at_1768594344
Cloning into '/var/lib/mock/dist-an23-build-507738-74937/root/chroot_tmpdir/scmroot/at_1768594344'...
$ git fetch origin 213f261ebadc2832f3f6494ecb733e3c11569217:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/at_1768594344
 * [new ref]         213f261ebadc2832f3f6494ecb733e3c11569217 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 213f261 Update code from upstream