$ git clone -n https://gitee.com/wency_cn/at.git /var/lib/mock/dist-an23-build-492312-74553/root/chroot_tmpdir/scmroot/at
Cloning into '/var/lib/mock/dist-an23-build-492312-74553/root/chroot_tmpdir/scmroot/at'...
$ git fetch origin 7277b9ac93572e25df4792f400df0e5c1d435750:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/at
 * [new ref]         7277b9ac93572e25df4792f400df0e5c1d435750 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7277b9a Update code from upstream