Hack for migrating to new settings

config/initializers/8_application_settings.rb

-begin
+if ActiveRecord::Base.connection.table_exists?('application_settings')
   unless ApplicationSetting.any?
     ApplicationSetting.create(
       default_projects_limit: Settings.gitlab['default_projects_limit'],
@@ -8,5 +8,4 @@ begin
       sign_in_text: Settings.extra['sign_in_text'],
     )
   end
-rescue
 end

lib/gitlab/current_settings.rb

 module Gitlab
   module CurrentSettings
     def current_application_settings
-      ApplicationSetting.current
+      if ActiveRecord::Base.connection.table_exists?('application_settings')
+        ApplicationSetting.current
+      else
+        OpenStruct.new(
+          default_projects_limit: Settings.gitlab['default_projects_limit'],
+          signup_enabled: Settings.gitlab['signup_enabled'],
+          signin_enabled: Settings.gitlab['signin_enabled'],
+          gravatar_enabled: Settings.gravatar['enabled'],
+          sign_in_text: Settings.extra['sign_in_text'],
+        )
+      end
     end
   end
 end