$ git clone -n https://gitee.com/wency_cn/at_1770751821.git /var/lib/mock/dist-an23-build-513258-75099/root/chroot_tmpdir/scmroot/at_1770751821
Cloning into '/var/lib/mock/dist-an23-build-513258-75099/root/chroot_tmpdir/scmroot/at_1770751821'...
$ git fetch origin f83b5c64342a02db4b5fd44bbda029fd45d58cdf:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/at_1770751821
 * [new ref]         f83b5c64342a02db4b5fd44bbda029fd45d58cdf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f83b5c6 Update code from upstream