adds language names to projects list github style

app/models/project.rb

@@ -945,4 +945,13 @@ class Project < ActiveRecord::Base
   def wiki
     @wiki ||= ProjectWiki.new(self, self.owner)
   end
+
+  def main_language
+    if !empty_repo?
+      languages = Linguist::Repository.new(
+        @repository.rugged,
+        @repository.rugged.head.target_id).languages
+        return languages.key(languages.values.max)
+    end
+  end
 end

app/views/shared/projects/_project.html.haml

@@ -28,6 +28,9 @@
           = project.name
 
     .controls
+      - if project.main_language
+        %span
+          = project.main_language
       - if ci_commit
         %span
           = render_ci_status(ci_commit)