gitlab-org--gitlab-foss/app/views/shared/_file_highlight.html.haml

.file-content.code{class: user_color_scheme_class}
  .line-numbers
    - if blob.data.present?
      - blob.data.lines.to_a.size.times do |index|
        - offset = defined?(first_line_number) ? first_line_number : 1
        - i = index + offset
        = link_to "#L#{i}", id: "L#{i}", rel: "#L#{i}" do
          %i.fa.fa-link
          = i
  :preserve
    #{highlight(blob.name, blob.data)}