gitlabhq/app/views/commits/_diff.html.haml

.file_stats
  - @commit.diffs.each do |diff|
    - if diff.deleted_file
      %span.removed_file
        %a{:href => "##{diff.a_path}"}
          = diff.a_path
          = image_tag "blueprint_delete.png"
    - elsif diff.renamed_file
      %span.moved_file
        %a{:href => "##{diff.b_path}"}
          = diff.a_path
          = "->"
          = diff.b_path
          = image_tag "blueprint_notice.png"
    - elsif diff.new_file
      %span.new_file
        %a{:href => "##{diff.b_path}"}
          = diff.b_path
          = image_tag "blueprint_add.png"
    - else
      %span.edit_file
        %a{:href => "##{diff.b_path}"}
          = diff.b_path
          = image_tag "blueprint_info.png"
- @commit.diffs.each do |diff|
  - next if diff.diff.empty?
  - file = (@commit.tree / diff.b_path)
  - next unless file
  .diff_file
    .diff_file_header
      - if diff.deleted_file
        %strong{:id => "#{diff.b_path}"}= diff.a_path
      - else 
        = link_to tree_file_project_path(@project, @commit.id, diff.b_path) do
          %strong{:id => "#{diff.b_path}"}= diff.b_path
      %br/
    .diff_file_content
      - if file.text?
        - lines_arr = diff.diff.lines.to_a
        - line_old = lines_arr[2].match(/-(\d)/)[0].to_i.abs rescue 0
        - line_new = lines_arr[2].match(/\+(\d)/)[0].to_i.abs rescue 0
        - lines = lines_arr[3..-1].join
        - lines.each_line do |line|
          = diff_line(line, line_new, line_old)
          - if line[0] == "+"
            - line_new += 1
          - elsif 
            - line[0] == "-"
            - line_old += 1
          - else 
            - line_new += 1
            - line_old += 1
      - elsif file.image?
        .diff_file_content_image
          %img{:src => "data:#{file.mime_type};base64,#{Base64.encode64(file.data)}"}
      - else
        %p 
          %center No preview for this file type