gitlab-org--gitlab-foss/app/views/projects/edit_tree/preview.html.haml

.diff-file
  .diff-content
    - if gitlab_markdown?(@blob.name)
      .file-content.wiki
        = preserve do
          = markdown(@content)
    - elsif markup?(@blob.name)
      .file-content.wiki
        = raw render_markup(@blob.name, @content)
    - else
      .file-content.code
        - unless @diff.empty?
          %table.text-file
            - @diff.each do |line, type, line_code, line_new, line_old, raw_line|
              %tr.line_holder{ id: line_code, class: "#{type}" }
                - if type == "match"
                  %td.old_line= "..."
                  %td.new_line= "..."
                  %td.line_content.matched= line
                - else
                  %td.old_line
                    = link_to raw(type == "new" ? " " : line_old), "##{line_code}", id: line_code
                  %td.new_line= link_to raw(type == "old" ? " " : line_new) , "##{line_code}", id: line_code
                  %td.line_content{class: "noteable_line #{type} #{line_code}", "line_code" => line_code}= raw diff_line_content(line)
        - else
          .nothing-here-block No changes.