From f236e00189b5a6cf0cebac5c275f64d41d73428d Mon Sep 17 00:00:00 2001
From: Guillermo Iguaran <guilleiguaran@gmail.com>
Date: Wed, 31 Aug 2011 12:47:33 -0500
Subject: Backport f443f9cb0c64 to master

---
 actionpack/lib/sprockets/assets.rake             |  6 ++---
 actionpack/lib/sprockets/helpers/rails_helper.rb | 29 ++++++++----------------
 actionpack/lib/sprockets/railtie.rb              |  6 ++---
 3 files changed, 13 insertions(+), 28 deletions(-)

(limited to 'actionpack/lib')

diff --git a/actionpack/lib/sprockets/assets.rake b/actionpack/lib/sprockets/assets.rake
index 7ee82ee530..54907abb39 100644
--- a/actionpack/lib/sprockets/assets.rake
+++ b/actionpack/lib/sprockets/assets.rake
@@ -47,10 +47,8 @@ namespace :assets do
         env.precompile(*assets)
       end
 
-      if config.assets.manifest
-        File.open("#{target}/manifest.yml", 'w') do |f|
-          YAML.dump(manifest, f)
-        end
+      File.open("#{target}/manifest.yml", 'w') do |f|
+        YAML.dump(manifest, f)
       end
     end
   end
diff --git a/actionpack/lib/sprockets/helpers/rails_helper.rb b/actionpack/lib/sprockets/helpers/rails_helper.rb
index 8e7eb182fd..975dc9e80c 100644
--- a/actionpack/lib/sprockets/helpers/rails_helper.rb
+++ b/actionpack/lib/sprockets/helpers/rails_helper.rb
@@ -61,7 +61,7 @@ module Sprockets
       def debug_assets?
         begin
           config = Rails.application.config.assets
-          config.allow_debugging && (config.debug || params[:debug_assets])
+          config.compile && (config.debug || params[:debug_assets])
         rescue NoMethodError
           false
         end
@@ -114,22 +114,21 @@ module Sprockets
             return digest
           end
 
-          if digest.nil? && Rails.application.config.assets.precompile_only
-            raise AssetNotPrecompiledError
-          end
-
-          if asset = asset_environment[logical_path]
-            return asset.digest_path
+          if Rails.application.config.assets.compile
+            if asset = asset_environment[logical_path]
+              return asset.digest_path
+            end
+            return logical_path
+          else
+            raise AssetNotPrecompiledError.new("#{logical_path} isn't precompiled")
           end
-
-          logical_path
         end
 
         def rewrite_asset_path(source, dir)
           if source[0] == ?/
             source
           else
-            source = digest_for(source) if performing_caching?
+            source = digest_for(source) if Rails.application.config.assets.digest
             source = File.join(dir, source)
             source = "/#{source}" unless source =~ /^\//
             source
@@ -143,16 +142,6 @@ module Sprockets
             source
           end
         end
-
-        def performing_caching?
-          # When included in Sprockets::Context, we need to ask the
-          # top-level config as the controller is not available.
-          if config.action_controller.present?
-            config.action_controller.perform_caching
-          else
-            config.perform_caching
-          end
-        end
       end
     end
   end
diff --git a/actionpack/lib/sprockets/railtie.rb b/actionpack/lib/sprockets/railtie.rb
index 680cb980ff..4adfd000f8 100644
--- a/actionpack/lib/sprockets/railtie.rb
+++ b/actionpack/lib/sprockets/railtie.rb
@@ -26,10 +26,8 @@ module Sprockets
         end
       end
 
-      if config.assets.manifest
-        if File.exist?(path = File.join(Rails.public_path, config.assets.prefix, "manifest.yml"))
-          config.assets.digests = YAML.load_file(path)
-        end
+      if File.exist?(path = File.join(Rails.public_path, config.assets.prefix, "manifest.yml"))
+        config.assets.digests = YAML.load_file(path)
       end
 
       ActiveSupport.on_load(:action_view) do
-- 
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