$ git clone -n https://gitee.com/wency_cn/tftp.git /var/lib/mock/dist-an23-build-503650-74854/root/chroot_tmpdir/scmroot/tftp
Cloning into '/var/lib/mock/dist-an23-build-503650-74854/root/chroot_tmpdir/scmroot/tftp'...
$ git fetch origin 350aa0b9bb7bff64f59a8120256687a586ad2af3:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/tftp
 * [new ref]         350aa0b9bb7bff64f59a8120256687a586ad2af3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 350aa0b Update code from upstream