$ git clone -n https://gitee.com/wency_cn/at.git /var/lib/mock/dist-an23-build-502380-74802/root/chroot_tmpdir/scmroot/at
Cloning into '/var/lib/mock/dist-an23-build-502380-74802/root/chroot_tmpdir/scmroot/at'...
$ git fetch origin 0ec42888df0b1489b66893451a0cf06d43d481ad:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/at
 * [new ref]         0ec42888df0b1489b66893451a0cf06d43d481ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ec4288 Update code from upstream