Cleanup junk metal and revise API

API Change: Returning a "X-Cascade: pass" header triggers the cascade
instead of a 404 response.

1 files changed, 0 insertions, 59 deletions

diff --git a/railties/lib/rails/rack/metal.rb b/railties/lib/rails/rack/metal.rb
deleted file mode 100644
index 6c0732f732..0000000000
--- a/railties/lib/rails/rack/metal.rb
+++ /dev/null
@@ -1,59 +0,0 @@
-require 'active_support/ordered_hash'
-require 'active_support/core_ext/class/attribute_accessors'
-require 'active_support/dependencies'
-
-module Rails
-  module Rack
-    class Metal
-      NotFoundResponse = [404, {}, []].freeze
-      NotFound = lambda { NotFoundResponse }
-
-      cattr_accessor :metal_paths
-      self.metal_paths = ["#{Rails.root}/app/metal"]
-      cattr_accessor :requested_metals
-      
-      cattr_accessor :pass_through_on
-      self.pass_through_on = 404
-
-      def self.metals
-        matcher = /#{Regexp.escape('/app/metal/')}(.*)\.rb\Z/
-        metal_glob = metal_paths.map{ |base| "#{base}/**/*.rb" }
-        all_metals = {}
-
-        metal_glob.each do |glob|
-          Dir[glob].sort.map do |file|
-            file = file.match(matcher)[1]
-            all_metals[file.camelize] = file
-          end
-        end
-
-        load_list = requested_metals || all_metals.keys
-
-        load_list.map do |requested_metal|
-          if metal = all_metals[requested_metal]
-            require_dependency metal
-            requested_metal.constantize
-          end
-        end.compact
-      end
-
-      def initialize(app)
-        @app = app
-        @pass_through_on = {}
-        [*self.class.pass_through_on].each { |status| @pass_through_on[status] = true }
-        
-        @metals = ActiveSupport::OrderedHash.new
-        self.class.metals.each { |app| @metals[app] = true }
-        freeze
-      end
-
-      def call(env)
-        @metals.keys.each do |app|
-          result = app.call(env)
-          return result unless @pass_through_on.include?(result[0].to_i)
-        end
-        @app.call(env)
-      end
-    end
-  end
-end