From a41de0286ff0890596fe0e8d37912db96edd9453 Mon Sep 17 00:00:00 2001
From: Santiago Pastorino <santiago@wyeworks.com>
Date: Mon, 13 May 2013 17:37:36 -0700
Subject: [PATCH] Passing options[:hash] is not public API of include!

---
 lib/active_model/serializer.rb | 19 ++-----------------
 1 file changed, 2 insertions(+), 17 deletions(-)

diff --git a/lib/active_model/serializer.rb b/lib/active_model/serializer.rb
index 1e9787ba..c1cd4990 100644
--- a/lib/active_model/serializer.rb
+++ b/lib/active_model/serializer.rb
@@ -352,23 +352,8 @@ module ActiveModel
     end
 
     def include!(name, options={})
-      # Make sure that if a special options[:hash] was passed in, we generate
-      # a new unique values hash and don't clobber the original. If the hash
-      # passed in is the same as the current options hash, use the current
-      # unique values.
-      #
-      # TODO: Should passing in a Hash even be public API here?
-      unique_values =
-        if hash = options[:hash]
-          if @options[:hash] == hash
-            @options[:unique_values] ||= {}
-          else
-            {}
-          end
-        else
-          hash = @options[:hash]
-          @options[:unique_values] ||= {}
-        end
+      hash = @options[:hash]
+      unique_values = @options[:unique_values] ||= {}
 
       node = options[:node] ||= @node
       value = options[:value]