Show full path in header UI for nested groups/projects

app/helpers/groups_helper.rb

@@ -12,11 +12,18 @@ module GroupsHelper
   end
 
   def group_title(group, name = nil, url = nil)
-    full_title = link_to(simple_sanitize(group.name), group_path(group))
+    full_title = ''
+
+    group.parents.each do |parent|
+      full_title += link_to(simple_sanitize(parent.name), group_path(parent))
+      full_title += ' / '.html_safe
+    end
+
+    full_title += link_to(simple_sanitize(group.name), group_path(group))
     full_title += ' · '.html_safe + link_to(simple_sanitize(name), url) if name
 
     content_tag :span do
-      full_title
+      full_title.html_safe
     end
   end
 

app/helpers/projects_helper.rb

@@ -52,7 +52,7 @@ module ProjectsHelper
   def project_title(project)
     namespace_link =
       if project.group
-        link_to(simple_sanitize(project.group.name), group_path(project.group))
+        group_title(project.group)
       else
         owner = project.namespace.owner
         link_to(simple_sanitize(owner.name), user_path(owner))