$ git clone -n https://gitee.com/wency_cn/at_1768595269.git /var/lib/mock/dist-an23-build-507740-74937/root/chroot_tmpdir/scmroot/at_1768595269
Cloning into '/var/lib/mock/dist-an23-build-507740-74937/root/chroot_tmpdir/scmroot/at_1768595269'...
$ git fetch origin d3f83b975f01982b759c55d20b841572a27237c7:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/at_1768595269
 * [new ref]         d3f83b975f01982b759c55d20b841572a27237c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3f83b9 Update code from upstream