$ git clone -n https://gitee.com/wency_cn/tftp_1772017114.git /var/lib/mock/dist-an23-build-514894-75118/root/chroot_tmpdir/scmroot/tftp_1772017114
Cloning into '/var/lib/mock/dist-an23-build-514894-75118/root/chroot_tmpdir/scmroot/tftp_1772017114'...
$ git fetch origin a287c3652099dd09f1caca43bc294f79636722ab:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/tftp_1772017114
 * [new ref]         a287c3652099dd09f1caca43bc294f79636722ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a287c36 Update code from upstream