- if @merge_request_diffs.size > 1
  .mr-version-controls
    %div.mr-version-menus-container.content-block
      Changes between
      %span.dropdown.inline.mr-version-dropdown
        %a.dropdown-toggle.btn.btn-default{ data: {toggle: :dropdown} }
          %span
            - if @merge_request_diff.latest?
              latest version
            - else
              version #{version_index(@merge_request_diff)}
          = icon('caret-down')
        .dropdown-menu.dropdown-select.dropdown-menu-selectable
          .dropdown-title
            %span Version:
            %button.dropdown-title-button.dropdown-menu-close{aria: {label: "Close"}}
              = icon('times', class: 'dropdown-menu-close-icon')
          .dropdown-content
            %ul
              - @merge_request_diffs.each do |merge_request_diff|
                %li
                  = link_to merge_request_version_path(@project, @merge_request, merge_request_diff), class: ('is-active' if merge_request_diff == @merge_request_diff) do
                    %strong
                      - if merge_request_diff.latest?
                        latest version
                      - else
                        version #{version_index(merge_request_diff)}
                    .monospace #{short_sha(merge_request_diff.head_commit_sha)}
                    %small
                      #{number_with_delimiter(merge_request_diff.commits.count)} #{'commit'.pluralize(merge_request_diff.commits.count)},
                      = time_ago_with_tooltip(merge_request_diff.created_at)

      - if @merge_request_diff.base_commit_sha
        and
        %span.dropdown.inline.mr-version-compare-dropdown
          %a.btn.btn-default.dropdown-toggle{ data: {toggle: :dropdown} }
            %span
              - if @start_sha
                version #{version_index(@start_version)}
              - else
                #{@merge_request.target_branch}
            = icon('caret-down')
          .dropdown-menu.dropdown-select.dropdown-menu-selectable
            .dropdown-title
              %span Compared with:
              %button.dropdown-title-button.dropdown-menu-close{aria: {label: "Close"}}
                = icon('times', class: 'dropdown-menu-close-icon')
            .dropdown-content
              %ul
                - @comparable_diffs.each do |merge_request_diff|
                  %li
                    = link_to merge_request_version_path(@project, @merge_request, @merge_request_diff, merge_request_diff.head_commit_sha), class: ('is-active' if merge_request_diff == @start_version) do
                      %strong
                        - if merge_request_diff.latest?
                          latest version
                        - else
                          version #{version_index(merge_request_diff)}
                      .monospace #{short_sha(merge_request_diff.head_commit_sha)}
                      %small
                        = time_ago_with_tooltip(merge_request_diff.created_at)
                %li
                  = link_to merge_request_version_path(@project, @merge_request, @merge_request_diff), class: ('is-active' unless @start_sha) do
                    %strong
                      #{@merge_request.target_branch} (base)
                    .monospace #{short_sha(@merge_request_diff.base_commit_sha)}

    - if different_base?(@start_version, @merge_request_diff)
      .content-block
        = icon('info-circle')
        Selected versions have different base commits.
        Changes will include
        = link_to namespace_project_compare_path(@project.namespace, @project, from: @start_version.base_commit_sha, to: @merge_request_diff.base_commit_sha) do
          new commits
        from
        %code #{@merge_request.target_branch}

    - unless @merge_request_diff.latest? && !@start_sha
      .comments-disabled-notif.content-block
        = icon('info-circle')
        - if @start_sha
          Comments are disabled because you're comparing two versions of this merge request.
        - else
          Comments are disabled because you're viewing an old version of this merge request.
        = link_to 'Show latest version', diffs_namespace_project_merge_request_path(@project.namespace, @project, @merge_request), class: 'btn btn-sm'
