Merge branch 'master' into session

* master: (55 commits)
  extract deprecated dynamic methods
  Add some docs and changelog entry
  Allow overriding exception handling in threaded consumer
  Allow configuring a different queue consumer
  actually don't need to expand the aggregates at all
  #to_sym is unnecessary
  de-globalise method
  extract code from AR::Base
  clean up implementation of dynamic methods. use method compilation etc.
  Fix ActiveModel README example
  mention database mapping in getting started guide
  Remove vestiges of the http_only! config from configuring guide
  Remove content-length as well
  Make ActionController#head pass rack-link
  RouteSet: optimize routes generation when globbing is used
  Allows assert_redirected_to to accept a regular expression
  use extract_options!
  No need to force conversion to Symbol since case ensures it's already one.
  No need to work around 1.8 warnings anymore.
  Update command line guide
  ...

1 files changed, 6 insertions, 1 deletions

diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index c9654fc63d..9bf9cbe022 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -608,7 +608,12 @@ module Rails
           desc "Copy migrations from #{railtie_name} to application"
           task :migrations do
             ENV["FROM"] = railtie_name
-            Rake::Task["railties:install:migrations"].invoke
+            if Rake::Task.task_defined?("railties:install:migrations")
+              Rake::Task["railties:install:migrations"].invoke
+            else
+              Rake::Task["app:railties:install:migrations"].invoke
+            end
+
           end
         end
       end