$ git clone -n https://gitee.com/wency_cn/at_1770754113.git /var/lib/mock/dist-an23-build-513266-75099/root/chroot_tmpdir/scmroot/at_1770754113
Cloning into '/var/lib/mock/dist-an23-build-513266-75099/root/chroot_tmpdir/scmroot/at_1770754113'...
$ git fetch origin c2ade8c1e60fd9a92fe337afa77d555bde0fe1c9:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/at_1770754113
 * [new ref]         c2ade8c1e60fd9a92fe337afa77d555bde0fe1c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2ade8c Update code from upstream