HAMLLint: Fix `ClassAttributeWithStaticValue` offences

app/views/devise/shared/_signin_box.html.haml

 - if form_based_providers.any?
   - if crowd_enabled?
-    .login-box.tab-pane.active{id: "crowd", role: 'tabpanel', class: 'tab-pane'}
+    .login-box.tab-pane.active{id: "crowd", role: 'tabpanel'}
       .login-body
         = render 'devise/sessions/new_crowd'
   - @ldap_servers.each_with_index do |server, i|

app/views/devise/shared/_signup_box.html.haml

-#register-pane.login-box{ role: 'tabpanel', class: 'tab-pane' }
+#register-pane.tab-pane.login-box{ role: 'tabpanel' }
   .login-body
     = form_for(resource, as: "new_#{resource_name}", url: registration_path(resource_name), html: { class: "new_new_user gl-show-field-errors", "aria-live" => "assertive" }) do |f|
       .devise-errors

app/views/help/_shortcuts.html.haml

@@ -82,7 +82,7 @@
           .col-lg-4
             %table.shortcut-mappings
-              %tbody{ class: 'hidden-shortcut project', style: 'display:none' }
+              %tbody.hidden-shortcut.project{ style: 'display:none' }
                 %tr
                   %th
                   %th Global Dashboard
@@ -190,7 +190,7 @@
                   %td New issue
           .col-lg-4
             %table.shortcut-mappings
-              %tbody{ class: 'hidden-shortcut network', style: 'display:none' }
+              %tbody.hidden-shortcut.network{ style: 'display:none' }
                 %tr
                   %th
                   %th Network Graph
@@ -240,7 +240,7 @@
                     .key
                       shift j
                   %td Scroll to bottom
-              %tbody{ class: 'hidden-shortcut issues', style: 'display:none' }
+              %tbody.hidden-shortcut.issues{ style: 'display:none' }
                 %tr
                   %th
                   %th Issues
@@ -264,7 +264,7 @@
                   %td.shortcut
                     .key l
                   %td Change Label
-              %tbody{ class: 'hidden-shortcut merge_requests', style: 'display:none' }
+              %tbody.hidden-shortcut.merge_requests{ style: 'display:none' }
                 %tr
                   %th
                   %th Merge Requests

app/views/kaminari/gitlab/_next_page.html.haml

@@ -6,8 +6,8 @@
 -#    per_page:      number of items to fetch per page
 -#    remote:        data-remote
 - if current_page.last?
-  %li{ class: "next disabled" }
+  %li.next.disabled
     %span= raw(t 'views.pagination.next')
 - else
-  %li{ class: "next" }
+  %li.next
     = link_to raw(t 'views.pagination.next'), url, rel: 'next', remote: remote

app/views/kaminari/gitlab/_prev_page.html.haml

@@ -6,8 +6,8 @@
 -#    per_page:      number of items to fetch per page
 -#    remote:        data-remote
 - if current_page.first?
-  %li{ class: "prev disabled" }
+  %li.prev.disabled
     %span= raw(t 'views.pagination.previous')
 - else
-  %li{ class: "prev" }
+  %li.prev
     = link_to raw(t 'views.pagination.previous'), url, rel: 'prev', remote: remote

app/views/layouts/devise.html.haml

 !!! 5
-%html{ lang: "en", class: "devise-layout-html"}
+%html.devise-layout-html
   = render "layouts/head"
   %body.ui_charcoal.login-page.application.navless{ data: { page: body_data_page }}
     .page-wrap

app/views/layouts/header/_default.html.haml

 %header.navbar.navbar-fixed-top.navbar-gitlab{ class: nav_header_class }
-  %a{ href: "#content-body", tabindex: "1", class: "sr-only gl-accessibility" } Skip to content
-  %div{ class: "container-fluid" }
+  %a.sr-only.gl-accessibility{ href: "#content-body", tabindex: "1" } Skip to content
+  %div.container-fluid
     .header-content
       %button.side-nav-toggle{ type: 'button', "aria-label" => "Toggle global navigation" }
         %span.sr-only Toggle navigation

app/views/projects/blob/_upload.html.haml

@@ -12,7 +12,7 @@
                 Attach a file by drag & drop or
                 = link_to 'click to upload', '#', class: "markdown-selector"
           %br
-          .dropzone-alerts{class: "alert alert-danger data", style: "display:none"}
+          .dropzone-alerts.alert.alert-danger.data{style: "display:none"}
           = render 'shared/new_commit_form', placeholder: placeholder

app/views/projects/branches/new.html.haml

@@ -2,7 +2,7 @@
 - if @error
   .alert.alert-danger
-    %button{ type: "button", class: "close", "data-dismiss" => "alert"} ×
+    %button.close{ type: "button", "data-dismiss" => "alert"} ×
     = @error
 %h3.page-title
   New Branch

app/views/projects/builds/show.html.haml

@@ -56,10 +56,10 @@
       - else
         #js-build-scroll.scroll-controls
           .scroll-step
-            %a{ href: '#up-build-trace', id: 'scroll-top', class: 'scroll-link scroll-top', title: 'Scroll to top' }
+            %a.scroll-link.scroll-top{ href: '#up-build-trace', id: 'scroll-top', title: 'Scroll to top' }
               = custom_icon('scroll_up')
               = custom_icon('scroll_up_hover_active')
-            %a{ href: '#down-build-trace', id: 'scroll-bottom', class: 'scroll-link scroll-bottom', title: 'Scroll to bottom' }
+            %a.scroll-link.scroll-bottom{ href: '#down-build-trace', id: 'scroll-bottom', title: 'Scroll to bottom' }
               = custom_icon('scroll_down')
               = custom_icon('scroll_down_hover_active')
           - if @build.active?

app/views/projects/merge_requests/conflicts/_submit_form.html.haml

@@ -10,7 +10,7 @@
     .col-sm-offset-2.col-sm-10
       .row
         .col-xs-6
-          %button{ type: "button", class: "btn btn-success js-submit-button", "@click" => "commit()", ":disabled" => "!readyToCommit" }
+          %button.btn.btn-success.js-submit-button{ type: "button", "@click" => "commit()", ":disabled" => "!readyToCommit" }
             %span {{commitButtonText}}
         .col-xs-6.text-right
           = link_to "Cancel", namespace_project_merge_request_path(@merge_request.project.namespace, @merge_request.project, @merge_request), class: "btn btn-cancel"

app/views/projects/new.html.haml

@@ -77,7 +77,7 @@
                   - if git_import_enabled?
                     = link_to "#", class: 'btn js-toggle-button import_git' do
                       = icon('git', text: 'Repo by URL')
-                %div{ class: 'import_gitlab_project' }
+                %div.import_gitlab_project
                   - if gitlab_project_import_enabled?
                     = link_to new_import_gitlab_project_path, class: 'btn btn_import_gitlab_project project-submit' do
                       = icon('gitlab', text: 'GitLab export')

app/views/projects/notes/_note.html.haml

@@ -15,7 +15,7 @@
           - unless note.system
             commented
           - if note.system
-            %span{class: 'system-note-message'}
+            %span.system-note-message
               = note.redacted_note_html
           %a{ href: "##{dom_id(note)}" }
             = time_ago_with_tooltip(note.created_at, placement: 'bottom', html_class: 'note-created-ago')

app/views/projects/tags/new.html.haml

@@ -2,7 +2,7 @@
 - if @error
   .alert.alert-danger
-    %button{ type: "button", class: "close", "data-dismiss" => "alert"} ×
+    %button.close{ type: "button", "data-dismiss" => "alert"} ×
     = @error
 %h3.page-title

app/views/projects/tree/_submodule_item.html.haml

-%tr{ class: "tree-item" }
+%tr.tree-item
   %td.tree-item-file-name
     %i.fa.fa-archive.fa-fw
     = submodule_link(submodule_item, @ref)

app/views/shared/members/_group.html.haml

@@ -3,7 +3,7 @@
 - can_admin_member = can?(current_user, :admin_project_member, @project)
 - dom_id = "group_member_#{group_link.id}"
 %li.member.group_member{ id: dom_id }
-  %span{ class: "list-item-name" }
+  %span.list-item-name
     = image_tag group_icon(group), class: "avatar s40", alt: ''
     %strong
       = link_to group.name, group_path(group)

app/views/shared/milestones/_issuable.html.haml

@@ -14,15 +14,15 @@
     - if issuable.is_a?(Issue)
       = confidential_icon(issuable)
     = link_to_gfm issuable.title, [project.namespace.becomes(Namespace), project, issuable], title: issuable.title
-  %div{class: 'issuable-detail'}
+  %div.issuable-detail
     = link_to [project.namespace.becomes(Namespace), project, issuable] do
-      %span{ class: 'issuable-number' }>= issuable.to_reference
+      %span.issuable-number >= issuable.to_reference
     - issuable.labels.each do |label|
       = link_to polymorphic_path(base_url_args, { milestone_title: @milestone.title, label_name: label.title, state: 'all' }) do
         - render_colored_label(label)
-    %span{ class: "assignee-icon" }
+    %span.assignee-icon
       - if assignee
         = link_to polymorphic_path(base_url_args, { milestone_title: @milestone.title, assignee_id: issuable.assignee_id, state: 'all' }),
                   class: 'has-tooltip', title: "Assigned to #{assignee.name}", data: { container: 'body' } do