From 038139870825ad843b0683e5273dc4d11cb684b3 Mon Sep 17 00:00:00 2001
From: Rick Olson <technoweenie@gmail.com>
Date: Sun, 23 Mar 2008 01:48:17 +0000
Subject: Fix regression from filter refactoring where re-adding a skipped
 filter resulted in it being called twice.  [rick]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9080 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/CHANGELOG                        |  2 ++
 actionpack/lib/action_controller/filters.rb |  3 +++
 actionpack/test/controller/filters_test.rb  | 33 +++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+)

diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index cc6c692af6..bcc258acc2 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* Fix regression from filter refactoring where re-adding a skipped filter resulted in it being called twice.  [rick]
+
 * Refactor filters to use Active Support callbacks.  #11235 [Josh Peek]
 
 * Fixed that polymorphic routes would modify the input array #11363 [thomas.lee]
diff --git a/actionpack/lib/action_controller/filters.rb b/actionpack/lib/action_controller/filters.rb
index a822ffe4e4..218a9c0b80 100644
--- a/actionpack/lib/action_controller/filters.rb
+++ b/actionpack/lib/action_controller/filters.rb
@@ -264,6 +264,9 @@ module ActionController #:nodoc:
 
       def skip_filter_in_chain(*filters, &test)
         filters, conditions = extract_options(filters)
+        filters.each do |filter|
+          if callback = find_callback(filter) then delete(callback) end
+        end if conditions.empty?
         update_filter_in_chain(filters, :skip => conditions, &test)
       end
 
diff --git a/actionpack/test/controller/filters_test.rb b/actionpack/test/controller/filters_test.rb
index 092eb45cab..3652c482f1 100644
--- a/actionpack/test/controller/filters_test.rb
+++ b/actionpack/test/controller/filters_test.rb
@@ -158,6 +158,30 @@ class FilterTest < Test::Unit::TestCase
       end
   end
 
+  class SkippingAndLimitedController < TestController
+    skip_before_filter :ensure_login
+    before_filter :ensure_login, :only => :index
+
+    def index
+      render :text => 'ok'
+    end
+    
+    def public
+    end
+  end
+  
+  class SkippingAndReorderingController < TestController
+    skip_before_filter :ensure_login
+    before_filter :find_record
+    before_filter :ensure_login
+
+    private
+      def find_record
+        @ran_filter ||= []
+        @ran_filter << "find_record"
+      end
+  end
+
   class ConditionalSkippingController < TestController
     skip_before_filter :ensure_login, :only => [ :login ]
     skip_after_filter  :clean_up,     :only => [ :login ]
@@ -565,6 +589,15 @@ class FilterTest < Test::Unit::TestCase
     response = test_process(PrependingBeforeAndAfterController)
     assert_equal %w( before_all between_before_all_and_after_all after_all ), response.template.assigns["ran_filter"]
   end
+  
+  def test_skipping_and_limiting_controller
+    assert_equal %w( ensure_login ), test_process(SkippingAndLimitedController, "index").template.assigns["ran_filter"]
+    assert_nil test_process(SkippingAndLimitedController, "public").template.assigns["ran_filter"]
+  end
+
+  def test_skipping_and_reordering_controller
+    assert_equal %w( find_record ensure_login ), test_process(SkippingAndReorderingController, "index").template.assigns["ran_filter"]
+  end
 
   def test_conditional_skipping_of_filters
     assert_nil test_process(ConditionalSkippingController, "login").template.assigns["ran_filter"]
-- 
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