Add mirror status to commits, branches and tags pages.

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

@@ -3,17 +3,25 @@
   %div
     = link_to namespace_project_tree_path(@project.namespace, @project, branch.name) do
       %strong.str-truncated= branch.name
-       
-      - if branch.name == @repository.root_ref
-        %span.label.label-primary default
-      - elsif @repository.merged_to_root_ref? branch.name
-        %span.label.label-info.has_tooltip(title="Merged into #{@repository.root_ref}")
-          merged
 
-      - if @project.protected_branch? branch.name
-        %span.label.label-success
-          %i.fa.fa-lock
-          protected
+    - if branch.name == @repository.root_ref
+      %span.label.label-primary default
+    - elsif @repository.merged_to_root_ref? branch.name
+      %span.label.label-info.has_tooltip(title="Merged into #{@repository.root_ref}")
+        merged
+
+    - if @project.protected_branch? branch.name
+      %span.label.label-success
+        = icon('lock')
+        protected
+
+    - if @project.mirror_ever_updated_successfully? && @repository.diverged_from_upstream?(branch.name)
+      - tooltip_message = "The branch could not be updated automatically because it has diverged from its upstream counterpart."
+      - tooltip_message << "<br>To discard the local changes and overwrite the branch with the upstream version, delete it here and choose 'Update Now' above." if can?(current_user, :push_code, @project)
+      %span.label.label-danger.has_tooltip{data: { html: "true", title: tooltip_message }}
+        = icon('exclamation-triangle')
+        diverged from upstream
+
     .controls.hidden-xs
       - if create_mr_button?(@repository.root_ref, branch.name)
         = link_to create_mr_path(@repository.root_ref, branch.name), class: 'btn btn-grouped btn-xs' do

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

@@ -5,7 +5,7 @@
   .pull-right
     - if can? current_user, :push_code, @project
       = link_to new_namespace_project_branch_path(@project.namespace, @project), class: 'btn btn-create' do
-        %i.fa.fa-add-sign
+        = icon('plus')
         New branch
        
     .dropdown.inline
@@ -26,6 +26,9 @@
             = sort_title_oldest_updated
   .oneline
     Protected branches can be managed in project settings
+
+= render 'projects/commits/mirror_status'
+
 - unless @branches.empty?
   %ul.content-list.all-branches
     - @branches.each do |branch|

app/views/projects/commits/_mirror_status.html.haml

@@ -0,0 +1,10 @@
+- if @project.mirror?
+  .gray-content-block.second-block
+    .pull-right
+      = render "shared/mirror_update_button"
+
+    - import_url = @project.safe_import_url
+    .oneline
+      This project is mirrored from #{link_to import_url, import_url}.
+
+      = render "shared/mirror_status"

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

@@ -24,6 +24,8 @@
   %ul.breadcrumb.repo-breadcrumb
     = commits_breadcrumbs
 
+= render 'projects/commits/mirror_status'
+
 %div{id: dom_id(@project)}
   #commits-list= render "commits", project: @project
 .clear

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

@@ -6,11 +6,13 @@
   - if can? current_user, :push_code, @project
     .pull-right
       = link_to new_namespace_project_tag_path(@project.namespace, @project), class: 'btn btn-create new-tag-btn' do
-        %i.fa.fa-add-sign
+        = icon('plus')
         New tag
   .oneline
     Tags give the ability to mark specific points in history as being important
 
+= render 'projects/commits/mirror_status'
+
 .tags
   - unless @tags.empty?
     %ul.content-list