1 files changed, 9 insertions, 0 deletions
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index 2fde974732..362713eb75 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -364,6 +364,10 @@ module Rails
       end
     end
 
+    def migration_railties # :nodoc:
+      (ordered_railties & railties_without_main_app).reverse
+    end
+
   protected
 
     alias :build_middleware_stack :app
@@ -394,6 +398,11 @@ module Rails
       super
     end
 
+    def railties_without_main_app # :nodoc:
+      @railties_without_main_app ||= Rails::Railtie.subclasses.map(&:instance) +
+        Rails::Engine.subclasses.map(&:instance)
+    end
+
     # Returns the ordered railties for this application considering railties_order.
     def ordered_railties #:nodoc:
       @ordered_railties ||= begin