Merge branch 'master' into active_model

Conflicts:
	activemodel/lib/active_model/core.rb
	activemodel/test/cases/state_machine/event_test.rb
	activemodel/test/cases/state_machine/state_transition_test.rb
	activerecord/lib/active_record/validations.rb
	activerecord/test/cases/validations/i18n_validation_test.rb
	activeresource/lib/active_resource.rb
	activeresource/test/abstract_unit.rb

1 files changed, 10 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb
index b92cbbdeab..b72b84343b 100644
--- a/activerecord/lib/active_record/associations/has_one_association.rb
+++ b/activerecord/lib/active_record/associations/has_one_association.rb
@@ -74,13 +74,15 @@ module ActiveRecord
 
       private
         def find_target
-          @reflection.klass.find(:first, 
+          the_target = @reflection.klass.find(:first,
             :conditions => @finder_sql,
             :select     => @reflection.options[:select],
             :order      => @reflection.options[:order], 
             :include    => @reflection.options[:include],
             :readonly   => @reflection.options[:readonly]
           )
+          set_inverse_instance(the_target, @owner)
+          the_target
         end
 
         def construct_sql
@@ -117,8 +119,15 @@ module ActiveRecord
             self.target = record
           end
 
+          set_inverse_instance(record, @owner)
+
           record
         end
+
+        def we_can_set_the_inverse_on_this?(record)
+          inverse = @reflection.inverse_of
+          return !inverse.nil?
+        end
     end
   end
 end