Avoid 500 error on project page when application is close to RAM limit

app/helpers/projects_helper.rb

@@ -131,4 +131,13 @@ module ProjectsHelper
       "your@email.com"
     end
   end
+
+  def repository_size
+    "#{@project.repository.size} MB"
+  rescue
+    # In order to prevent 500 error
+    # when application cannot allocate memory
+    # to calculate repo size - just show 'Unknown'
+    'unknown'
+  end
 end

app/views/projects/show.html.haml

@@ -17,7 +17,7 @@
       %p
       %p
         %span.light Repo size is
-        #{@project.repository.size} MB
+        = repository_size
       %p
         %span.light Created at
         #{@project.created_at.stamp('Aug 22, 2013')}