$ git clone -n https://gitee.com/wenyuzifang/tuna_1770807154.git /var/lib/mock/dist-an23-build-513578-75110/root/chroot_tmpdir/scmroot/tuna_1770807154
Cloning into '/var/lib/mock/dist-an23-build-513578-75110/root/chroot_tmpdir/scmroot/tuna_1770807154'...
$ git fetch origin 0c64ea0c0d3995cd7f9764f3bcfb2b99ef60357c:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/tuna_1770807154
 * [new ref]         0c64ea0c0d3995cd7f9764f3bcfb2b99ef60357c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c64ea0 Update code from upstream