Fix for Mongoid 2.1 ActiveModel dirty tracking

As of mongoid/mongoid@30615c6, uses ActiveModel dirty tracking. `previous_changes` now returns nil instead of an empty hash, etc. Dirty attributes are now cleared after all persistence callbacks have fired, so previous after-save `previous_changes` now becomes simply `changes`. This is consistent with ActiveRecord. mongoid/mongoid@08cf1ba
andresf · Aug 3, 2011 · 802cbb9 · 802cbb9
1 parent 9cd184f
commit 802cbb9
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diff --git a/lib/mongoid/taggable.rb b/lib/mongoid/taggable.rb
@@ -25,7 +25,7 @@ module Mongoid::Taggable
     set_callback :create,  :after,  :aggregate_tags!
     set_callback :destroy, :after,  :aggregate_tags!
     set_callback :save,    :before, :dedup_tags!,     :if => proc { changes.include?(tags_field.to_s) }
-    set_callback :save,    :after,  :aggregate_tags!, :if => proc { previous_changes.include?(tags_field.to_s) }
+    set_callback :save,    :after,  :aggregate_tags!, :if => proc { changes.include?(tags_field.to_s) }
   end
 
   module ClassMethods

diff --git a/mongoid_taggable.gemspec b/mongoid_taggable.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = '>= 1.3.6'
 
-  s.add_runtime_dependency('mongoid', ['~> 2.0.0.beta.20'])
+  s.add_runtime_dependency('mongoid', ['~> 2.1'])
   s.add_development_dependency("bson_ext", ["~> 1.3"])
   s.add_development_dependency('database_cleaner', ['~> 0.6.0'])
   s.add_development_dependency("rdoc", ["~> 3.5.0"])