Fix asset precompile for productization

config/application.rb

@@ -92,6 +92,10 @@ class Application < Rails::Application
     config.logger = Vmdb.rails_logger
     config.colorize_logging = false
 
+    initializer :prepare_productization, :after => :append_asset_paths do
+      Vmdb::Productization.new.prepare
+    end
+
     config.before_initialize do
       require_relative 'environments/patches/database_configuration'
 

lib/vmdb/productization.rb

@@ -3,8 +3,6 @@ class Productization
     def prepare
       prepare_asset_paths
       prepare_asset_precompilation
-      prepare_asset_directive_processor
-      add_logging_to_rake_assets_precompile
     end
 
     private
@@ -16,42 +14,16 @@ def prepare_asset_paths
       Rails.application.config.assets.paths.unshift(*paths)
     end
 
-    def prepare_asset_precompilation
-      Rails.application.config.assets.precompile += %w(productization.css productization.js)
-    end
-
-    # Replace the default Sprockets::DirectiveProcessor with our overriden one
-    #   that properly handles overriding the asset paths.
-    def prepare_asset_directive_processor
-      replace_directive_processor('text/css')
-      replace_directive_processor('application/javascript')
+    # sprockets-rails is very strict about the path to assets being in Rails.root.join("app/assets")
+    #   so we must duplicate it with our new paths.
+    LOOSE_APP_ASSETS = lambda do |logical_path, filename|
+      filename.start_with?(::Rails.root.join("productization/assets").to_s) &&
+        !['.js', '.css', ''].include?(File.extname(logical_path))
     end
 
-    def replace_directive_processor(type)
-      if Rails.application.assets.respond_to?(:register_processor)
-        Rails.application.assets.unregister_processor(type, Sprockets::DirectiveProcessor)
-        Rails.application.assets.register_processor(type, DirectiveProcessor)
-      end
-    end
-
-    # Override Rails' rake task component for precompilation to log separators on
-    # each call.  The method is defined at the top-level and so must be overridden
-    # in the TOPLEVEL_BINDING.
-    #
-    # The original source is located at:
-    #   https://github.com/rails/rails/blob/v3.2.15/actionpack/lib/sprockets/assets.rake#L33-L57
-    def add_logging_to_rake_assets_precompile
-      TOPLEVEL_BINDING.eval <<-EORUBY
-        if defined?(internal_precompile)
-          def internal_precompile_with_logging(digest=nil)
-            puts "== precompile with\#{"out" if digest == false} digests ================================================="
-            internal_precompile_without_logging(digest)
-          end
-          # a la alias_method_chain
-          alias :internal_precompile_without_logging :internal_precompile
-          alias :internal_precompile :internal_precompile_with_logging
-        end
-      EORUBY
+    def prepare_asset_precompilation
+      Rails.application.config.assets.precompile += [LOOSE_APP_ASSETS]
+      Rails.application.config.assets.precompile += %w(productization.css productization.js)
     end
   end
 end