3 files changed, 16 insertions, 16 deletions
diff --git a/app/views/projects/diffs/_diffs.html.haml b/app/views/projects/diffs/_diffs.html.haml
index 576e7ef021a..067cf595da3 100644
--- a/app/views/projects/diffs/_diffs.html.haml
+++ b/app/views/projects/diffs/_diffs.html.haml
@@ -1,4 +1,5 @@
 - show_whitespace_toggle = local_assigns.fetch(:show_whitespace_toggle, true)
+- can_create_note = !@diff_notes_disabled && can?(current_user, :create_note, diffs.project)
 - diff_files = diffs.diff_files
 
 .content-block.oneline-block.files-changed
@@ -20,7 +21,7 @@
 - if diff_files.overflow?
   = render 'projects/diffs/warning', diff_files: diff_files
 
-.files{data: {can_create_note: (!@diff_notes_disabled && can?(current_user, :create_note, diffs.project))}}
+.files{ data: { can_create_note: can_create_note } }
   - diff_files.each_with_index do |diff_file, index|
     - diff_commit = commit_for_diff(diff_file)
     - blob = diff_file.blob(diff_commit)
diff --git a/app/views/projects/merge_requests/_new_diffs.html.haml b/app/views/projects/merge_requests/_new_diffs.html.haml
new file mode 100644
index 00000000000..74367ab9b7b
--- /dev/null
+++ b/app/views/projects/merge_requests/_new_diffs.html.haml
@@ -0,0 +1 @@
+= render "projects/diffs/diffs", diffs: @diffs, show_whitespace_toggle: false
diff --git a/app/views/projects/merge_requests/_new_submit.html.haml b/app/views/projects/merge_requests/_new_submit.html.haml
index 00bd4e143df..88d8013a0d1 100644
--- a/app/views/projects/merge_requests/_new_submit.html.haml
+++ b/app/views/projects/merge_requests/_new_submit.html.haml
@@ -19,34 +19,32 @@
 
 .mr-compare.merge-request
   %ul.merge-request-tabs.nav-links.no-top.no-bottom
-    %li.commits-tab
+    %li.commits-tab.active
       = link_to url_for(params), data: {target: 'div#commits', action: 'new', toggle: 'tab'} do
         Commits
         %span.badge= @commits.size
     - if @pipeline
-      %li.builds-tab.active
+      %li.builds-tab
         = link_to url_for(params), data: {target: 'div#builds', action: 'builds', toggle: 'tab'} do
           Builds
           %span.badge= @statuses.size
-    %li.diffs-tab.active
-      = link_to url_for(params), data: {target: 'div#diffs', action: 'diffs', toggle: 'tab'} do
+    %li.diffs-tab
+      = link_to url_for(params.merge(action: 'new_diffs')), data: {target: 'div#diffs', action: 'new/diffs', toggle: 'tab'} do
         Changes
-        %span.badge= @diffs.real_size
+        %span.badge= @merge_request.diff_size
 
   .tab-content
-    #commits.commits.tab-pane
+    #commits.commits.tab-pane.active
       = render "projects/merge_requests/show/commits"
-    #diffs.diffs.tab-pane.active
-      - if @commits.size > MergeRequestDiff::COMMITS_SAFE_SIZE
-        .alert.alert-danger
-          %h4 This comparison includes more than #{MergeRequestDiff::COMMITS_SAFE_SIZE} commits.
-          %p To preserve performance the line changes are not shown.
-      - else
-        = render "projects/diffs/diffs", diffs: @diffs, show_whitespace_toggle: false
+    #diffs.diffs.tab-pane
+      - # This tab is always loaded via AJAX
     - if @pipeline
       #builds.builds.tab-pane
         = render "projects/merge_requests/show/builds"
 
+  .mr-loading-status
+    = spinner
+
 :javascript
   $('.assign-to-me-link').on('click', function(e){
     $('#merge_request_assignee_id').val("#{current_user.id}").trigger("change");
@@ -54,6 +52,6 @@
   });
 :javascript
   var merge_request = new MergeRequest({
-    action: "#{(@show_changes_tab ? 'diffs' : 'new')}",
-    setUrl: false
+    action: "#{(@show_changes_tab ? 'new/diffs' : 'new')}",
+    buildsLoaded: "#{@pipeline ? 'true' : 'false'}"
   });