$ git clone -n https://gitee.com/wency_cn/tftp_1770895273.git /var/lib/mock/dist-an23-build-514182-75110/root/chroot_tmpdir/scmroot/tftp_1770895273
Cloning into '/var/lib/mock/dist-an23-build-514182-75110/root/chroot_tmpdir/scmroot/tftp_1770895273'...
$ git fetch origin 69f660901d8880e001b155dfe8331f29f9f29b7c:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/tftp_1770895273
 * [new ref]         69f660901d8880e001b155dfe8331f29f9f29b7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 69f6609 Update code from upstream