Add a warning prompt to the setup task

lib/tasks/gitlab/setup.rake

@@ -1,10 +1,24 @@
 namespace :gitlab do
   namespace :app do
     desc "GITLAB | Setup production application"
-    task :setup => [
-      'db:setup',
-      'db:seed_fu',
-      'gitlab:enable_automerge'
-    ]
+    task :setup => :environment do
+      setup
+    end
+
+    def setup
+      warn_user_is_not_gitlab
+
+      puts "This will create the necessary database tables and seed the database."
+      puts "You will lose any previous data stored in the database."
+      ask_to_continue
+      puts ""
+
+      Rake::Task["db:setup"].invoke
+      Rake::Task["db:seed_fu"].invoke
+      Rake::Task["gitlab:enable_automerge"].invoke
+    rescue Gitlab::TaskAbortedByUserError
+      puts "Quitting...".red
+      exit 1
+    end
   end
 end