$difftree->push_difftree_data($diff_data['tree']);
$this->page->set('difftree', $difftree->generate_difftree($project, $commit, true));
$difftree->push_difftree_data($diff_data['tree']);
$this->page->set('difftree', $difftree->generate_difftree($project, $commit, true));