Cleanup builds

app/models/project.rb

@@ -126,7 +126,8 @@ class Project < ActiveRecord::Base
   end
   def no_running_builds?
-    builds.running.empty?
+    # Get running builds not later than 3 days ago to ignore hungs
+    builds.running.where("updated_at < ?", 3.days.ago).empty?
   end
 end

lib/tasks/cleanup.rake

+namespace :cleanup do
+  desc "GITLAB | Clean running builds"
+  task builds: :environment do
+    Build.running.update_all(status: 'canceled')
+  end
+end