From 2cc1bc37732a5f89c8364e6724e8c39e14216a0a Mon Sep 17 00:00:00 2001
From: Chris Eppstein <chris@eppsteins.net>
Date: Sat, 18 Jun 2011 12:10:09 -0700
Subject: Move the config bootstrapping to initialization to minimize access to
 the Rails.application global.

---
 actionpack/lib/action_view/asset_paths.rb        | 17 +++++++----------
 actionpack/lib/sprockets/helpers/rails_helper.rb |  8 +++++++-
 2 files changed, 14 insertions(+), 11 deletions(-)

(limited to 'actionpack/lib')

diff --git a/actionpack/lib/action_view/asset_paths.rb b/actionpack/lib/action_view/asset_paths.rb
index a74d45db6f..a768a0b882 100644
--- a/actionpack/lib/action_view/asset_paths.rb
+++ b/actionpack/lib/action_view/asset_paths.rb
@@ -107,20 +107,17 @@ module ActionView
     end
 
     def relative_url_root
-      if controller.respond_to?(:config) && controller.config
-        controller.config.relative_url_root
-      elsif config.respond_to?(:action_controller) && config.action_controller
-        config.action_controller.relative_url_root
-      elsif Rails.respond_to?(:application) && Rails.application.config
-        Rails.application.config.action_controller.relative_url_root
-      end
+      config = controller.config if controller.respond_to?(:config)
+      config ||= config.action_controller if config.action_controller.present?
+      config ||= config
+      config.relative_url_root
     end
 
     def asset_host_config
-      if config.respond_to?(:asset_host)
+      if config.action_controller.present?
+        config.action_controller.asset_host
+      else
         config.asset_host
-      elsif Rails.respond_to?(:application)
-        Rails.application.config.action_controller.asset_host
       end
     end
 
diff --git a/actionpack/lib/sprockets/helpers/rails_helper.rb b/actionpack/lib/sprockets/helpers/rails_helper.rb
index 3a77db5fd8..cf185749ea 100644
--- a/actionpack/lib/sprockets/helpers/rails_helper.rb
+++ b/actionpack/lib/sprockets/helpers/rails_helper.rb
@@ -10,6 +10,12 @@ module Sprockets
         @asset_paths ||= begin
           config     = self.config if respond_to?(:config)
           controller = self.controller if respond_to?(:controller)
+          config ||= Rails.application.config
+          if config.action_controller.present?
+            config.action_controller.default_asset_host_protocol ||= :relative
+          else
+            config.default_asset_host_protocol ||= :relative
+          end
           RailsHelper::AssetPaths.new(config, controller)
         end
       end
@@ -109,7 +115,7 @@ module Sprockets
 
         # When included in Sprockets::Context, we need to ask the top-level config as the controller is not available
         def performing_caching?
-          @config ? @config.perform_caching : Rails.application.config.action_controller.perform_caching
+          config.action_controller.present? ? config.action_controller.perform_caching : config.perform_caching
         end
       end
     end
-- 
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