Use new feature ActiveRecord::Base.suppress to handle new has_one beh…

…aviour

lib/paper_trail/reifier.rb

@@ -164,15 +164,13 @@ def reify_has_ones(transaction_id, model, options = {})
  end
  end
 
- # Redefine #save on this instance as a no-op so we can reassociate with the
- # reified master of a has_one relationship
+ # Suppress #save so we can reassociate with the reified master of a has_one relationship
  def without_persisting(record)
- record.instance_eval do
- alias :actually_save :save
- define_singleton_method(:save) { true }
+ if record.class.respond_to? :suppress
+ record.class.suppress { yield }
+ else
+ yield
  end
- yield
- record.instance_eval { alias :save :actually_save }
  end
 
  # Restore the `model`'s has_many associations as they were at version_at