Merge commit 'rails/master'

7 files changed, 581 insertions, 1721 deletions

diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index 6139e20e95..d54120f850 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -1,29 +1,487 @@
 module Rails
   class Application
+    extend Initializable
 
-    def self.config
-      @config ||= Configuration.new
+    class << self
+      def config
+        @config ||= Configuration.new
+      end
+
+      # TODO: change the plugin loader to use config
+      alias configuration config
+
+      def config=(config)
+        @config = config
+      end
+
+      def plugin_loader
+        @plugin_loader ||= config.plugin_loader.new(self)
+      end
+
+      def routes
+        ActionController::Routing::Routes
+      end
+
+      def middleware
+        config.middleware
+      end
+
+      def call(env)
+        @app ||= middleware.build(routes)
+        @app.call(env)
+      end
+
+      def new
+        initializers.run
+        self
+      end
+    end
+
+    initializer :initialize_rails do
+      Rails.initializers.run
+    end
+
+    # Set the <tt>$LOAD_PATH</tt> based on the value of
+    # Configuration#load_paths. Duplicates are removed.
+    initializer :set_load_path do
+      config.paths.add_to_load_path
+      $LOAD_PATH.uniq!
+    end
+
+    # Bail if boot.rb is outdated
+    initializer :freak_out_if_boot_rb_is_outdated do
+      unless defined?(Rails::BOOTSTRAP_VERSION)
+        abort %{Your config/boot.rb is outdated: Run "rake rails:update".}
+      end
+    end
+
+    # Requires all frameworks specified by the Configuration#frameworks
+    # list. By default, all frameworks (Active Record, Active Support,
+    # Action Pack, Action Mailer, and Active Resource) are loaded.
+    initializer :require_frameworks do
+      begin
+        require 'active_support'
+        require 'active_support/core_ext/kernel/reporting'
+        require 'active_support/core_ext/logger'
+
+        # TODO: This is here to make Sam Ruby's tests pass. Needs discussion.
+        require 'active_support/core_ext/numeric/bytes'
+        config.frameworks.each { |framework| require(framework.to_s) }
+      rescue LoadError => e
+        # Re-raise as RuntimeError because Mongrel would swallow LoadError.
+        raise e.to_s
+      end
+    end
+
+    # Set the paths from which Rails will automatically load source files, and
+    # the load_once paths.
+    initializer :set_autoload_paths do
+      require 'active_support/dependencies'
+      ActiveSupport::Dependencies.load_paths = config.load_paths.uniq
+      ActiveSupport::Dependencies.load_once_paths = config.load_once_paths.uniq
+
+      extra = ActiveSupport::Dependencies.load_once_paths - ActiveSupport::Dependencies.load_paths
+      unless extra.empty?
+        abort <<-end_error
+          load_once_paths must be a subset of the load_paths.
+          Extra items in load_once_paths: #{extra * ','}
+        end_error
+      end
+
+      # Freeze the arrays so future modifications will fail rather than do nothing mysteriously
+      config.load_once_paths.freeze
+    end
+
+    # Adds all load paths from plugins to the global set of load paths, so that
+    # code from plugins can be required (explicitly or automatically via ActiveSupport::Dependencies).
+    initializer :add_plugin_load_paths do
+      require 'active_support/dependencies'
+      plugin_loader.add_plugin_load_paths
+    end
+
+    # Create tmp directories
+    initializer :ensure_tmp_directories_exist do
+      %w(cache pids sessions sockets).each do |dir_to_make|
+        FileUtils.mkdir_p(File.join(config.root_path, 'tmp', dir_to_make))
+      end
+    end
+
+    # Loads the environment specified by Configuration#environment_path, which
+    # is typically one of development, test, or production.
+    initializer :load_environment do
+      silence_warnings do
+        next if @environment_loaded
+        next unless File.file?(config.environment_path)
+
+        @environment_loaded = true
+        constants = self.class.constants
+
+        eval(IO.read(config.environment_path), binding, config.environment_path)
+
+        (self.class.constants - constants).each do |const|
+          Object.const_set(const, self.class.const_get(const))
+        end
+      end
+    end
+
+    initializer :add_gem_load_paths do
+      require 'rails/gem_dependency'
+      Rails::GemDependency.add_frozen_gem_path
+      unless config.gems.empty?
+        require "rubygems"
+        config.gems.each { |gem| gem.add_load_paths }
+      end
+    end
+
+    # Preload all frameworks specified by the Configuration#frameworks.
+    # Used by Passenger to ensure everything's loaded before forking and
+    # to avoid autoload race conditions in JRuby.
+    initializer :preload_frameworks do
+      if config.preload_frameworks
+        config.frameworks.each do |framework|
+          # String#classify and #constantize aren't available yet.
+          toplevel = Object.const_get(framework.to_s.gsub(/(?:^|_)(.)/) { $1.upcase })
+          toplevel.load_all! if toplevel.respond_to?(:load_all!)
+        end
+      end
+    end
+
+    # This initialization routine does nothing unless <tt>:active_record</tt>
+    # is one of the frameworks to load (Configuration#frameworks). If it is,
+    # this sets the database configuration from Configuration#database_configuration
+    # and then establishes the connection.
+    initializer :initialize_database do
+      if config.frameworks.include?(:active_record)
+        ActiveRecord::Base.configurations = config.database_configuration
+        ActiveRecord::Base.establish_connection
+      end
+    end
+
+    # Include middleware to serve up static assets
+    initializer :initialize_static_server do
+      if config.frameworks.include?(:action_controller) && config.serve_static_assets
+        config.middleware.use(ActionDispatch::Static, Rails.public_path)
+      end
+    end
+
+    initializer :initialize_middleware_stack do
+      if config.frameworks.include?(:action_controller)
+        config.middleware.use(::Rack::Lock) unless ActionController::Base.allow_concurrency
+        config.middleware.use(ActionDispatch::ShowExceptions, ActionController::Base.consider_all_requests_local)
+        config.middleware.use(ActionDispatch::Callbacks, ActionController::Dispatcher.prepare_each_request)
+        config.middleware.use(lambda { ActionController::Base.session_store }, lambda { ActionController::Base.session_options })
+        config.middleware.use(ActionDispatch::ParamsParser)
+        config.middleware.use(::Rack::MethodOverride)
+        config.middleware.use(::Rack::Head)
+        config.middleware.use(ActionDispatch::StringCoercion)
+      end
+    end
+
+    initializer :initialize_cache do
+      unless defined?(RAILS_CACHE)
+        silence_warnings { Object.const_set "RAILS_CACHE", ActiveSupport::Cache.lookup_store(config.cache_store) }
+
+        if RAILS_CACHE.respond_to?(:middleware)
+          # Insert middleware to setup and teardown local cache for each request
+          config.middleware.insert_after(:"Rack::Lock", RAILS_CACHE.middleware)
+        end
+      end
+    end
+
+    initializer :initialize_framework_caches do
+      if config.frameworks.include?(:action_controller)
+        ActionController::Base.cache_store ||= RAILS_CACHE
+      end
+    end
+
+    initializer :initialize_logger do
+      # if the environment has explicitly defined a logger, use it
+      next if Rails.logger
+
+      unless logger = config.logger
+        begin
+          logger = ActiveSupport::BufferedLogger.new(config.log_path)
+          logger.level = ActiveSupport::BufferedLogger.const_get(config.log_level.to_s.upcase)
+          if RAILS_ENV == "production"
+            logger.auto_flushing = false
+          end
+        rescue StandardError => e
+          logger = ActiveSupport::BufferedLogger.new(STDERR)
+          logger.level = ActiveSupport::BufferedLogger::WARN
+          logger.warn(
+            "Rails Error: Unable to access log file. Please ensure that #{config.log_path} exists and is chmod 0666. " +
+            "The log level has been raised to WARN and the output directed to STDERR until the problem is fixed."
+          )
+        end
+      end
+
+      # TODO: Why are we silencing warning here?
+      silence_warnings { Object.const_set "RAILS_DEFAULT_LOGGER", logger }
+    end
+
+    # Sets the logger for Active Record, Action Controller, and Action Mailer
+    # (but only for those frameworks that are to be loaded). If the framework's
+    # logger is already set, it is not changed, otherwise it is set to use
+    # RAILS_DEFAULT_LOGGER.
+    initializer :initialize_framework_logging do
+      for framework in ([ :active_record, :action_controller, :action_mailer ] & config.frameworks)
+        framework.to_s.camelize.constantize.const_get("Base").logger ||= Rails.logger
+      end
+
+      ActiveSupport::Dependencies.logger ||= Rails.logger
+      Rails.cache.logger ||= Rails.logger
+    end
+
+    # Sets the dependency loading mechanism based on the value of
+    # Configuration#cache_classes.
+    initializer :initialize_dependency_mechanism do
+      # TODO: Remove files from the $" and always use require
+      ActiveSupport::Dependencies.mechanism = config.cache_classes ? :require : :load
+    end
+
+    # Loads support for "whiny nil" (noisy warnings when methods are invoked
+    # on +nil+ values) if Configuration#whiny_nils is true.
+    initializer :initialize_whiny_nils do
+      require('active_support/whiny_nil') if config.whiny_nils
+    end
+
+    # Sets the default value for Time.zone, and turns on ActiveRecord::Base#time_zone_aware_attributes.
+    # If assigned value cannot be matched to a TimeZone, an exception will be raised.
+    initializer :initialize_time_zone do
+      if config.time_zone
+        zone_default = Time.__send__(:get_zone, config.time_zone)
+
+        unless zone_default
+          raise \
+            'Value assigned to config.time_zone not recognized.' +
+            'Run "rake -D time" for a list of tasks for finding appropriate time zone names.'
+        end
+
+        Time.zone_default = zone_default
+
+        if config.frameworks.include?(:active_record)
+          ActiveRecord::Base.time_zone_aware_attributes = true
+          ActiveRecord::Base.default_timezone = :utc
+        end
+      end
+    end
+
+    # Set the i18n configuration from config.i18n but special-case for the load_path which should be
+    # appended to what's already set instead of overwritten.
+    initializer :initialize_i18n do
+      config.i18n.each do |setting, value|
+        if setting == :load_path
+          I18n.load_path += value
+        else
+          I18n.send("#{setting}=", value)
+        end
+      end
+    end
+
+    # Initializes framework-specific settings for each of the loaded frameworks
+    # (Configuration#frameworks). The available settings map to the accessors
+    # on each of the corresponding Base classes.
+    initializer :initialize_framework_settings do
+      config.frameworks.each do |framework|
+        base_class = framework.to_s.camelize.constantize.const_get("Base")
+
+        config.send(framework).each do |setting, value|
+          base_class.send("#{setting}=", value)
+        end
+      end
+      config.active_support.each do |setting, value|
+        ActiveSupport.send("#{setting}=", value)
+      end
     end
 
-    def self.config=(config)
-      @config = config
+    # Sets +ActionController::Base#view_paths+ and +ActionMailer::Base#template_root+
+    # (but only for those frameworks that are to be loaded). If the framework's
+    # paths have already been set, it is not changed, otherwise it is
+    # set to use Configuration#view_path.
+    initializer :initialize_framework_views do
+      if config.frameworks.include?(:action_view)
+        view_path = ActionView::PathSet.type_cast(config.view_path, config.cache_classes)
+        ActionMailer::Base.template_root  = view_path if config.frameworks.include?(:action_mailer) && ActionMailer::Base.view_paths.blank?
+        ActionController::Base.view_paths = view_path if config.frameworks.include?(:action_controller) && ActionController::Base.view_paths.blank?
+      end
     end
 
-    def config
-      self.class.config
+    initializer :initialize_metal do
+      # TODO: Make Rails and metal work without ActionController
+      if config.frameworks.include?(:action_controller)
+        Rails::Rack::Metal.requested_metals = config.metals
+        Rails::Rack::Metal.metal_paths += plugin_loader.engine_metal_paths
+
+        config.middleware.insert_before(
+          :"ActionDispatch::ParamsParser",
+          Rails::Rack::Metal, :if => Rails::Rack::Metal.metals.any?)
+      end
+    end
+
+    initializer :check_for_unbuilt_gems do
+      unbuilt_gems = config.gems.select {|gem| gem.frozen? && !gem.built? }
+      if unbuilt_gems.size > 0
+        # don't print if the gems:build rake tasks are being run
+        unless $gems_build_rake_task
+          abort <<-end_error
+  The following gems have native components that need to be built
+  #{unbuilt_gems.map { |gemm| "#{gemm.name}  #{gemm.requirement}" } * "\n  "}
+
+  You're running:
+  ruby #{Gem.ruby_version} at #{Gem.ruby}
+  rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '}
+
+  Run `rake gems:build` to build the unbuilt gems.
+          end_error
+        end
+      end
     end
 
-    def routes
-      ActionController::Routing::Routes
+    initializer :load_gems do
+      unless $gems_rake_task
+        config.gems.each { |gem| gem.load }
+      end
+    end
+
+    # Loads all plugins in <tt>config.plugin_paths</tt>.  <tt>plugin_paths</tt>
+    # defaults to <tt>vendor/plugins</tt> but may also be set to a list of
+    # paths, such as
+    #   config.plugin_paths = ["#{RAILS_ROOT}/lib/plugins", "#{RAILS_ROOT}/vendor/plugins"]
+    #
+    # In the default implementation, as each plugin discovered in <tt>plugin_paths</tt> is initialized:
+    # * its +lib+ directory, if present, is added to the load path (immediately after the applications lib directory)
+    # * <tt>init.rb</tt> is evaluated, if present
+    #
+    # After all plugins are loaded, duplicates are removed from the load path.
+    # If an array of plugin names is specified in config.plugins, only those plugins will be loaded
+    # and they plugins will be loaded in that order. Otherwise, plugins are loaded in alphabetical
+    # order.
+    #
+    # if config.plugins ends contains :all then the named plugins will be loaded in the given order and all other
+    # plugins will be loaded in alphabetical order
+    initializer :load_plugins do
+      plugin_loader.load_plugins
+    end
+
+    # TODO: Figure out if this needs to run a second time
+    # load_gems
+
+    initializer :check_gem_dependencies do
+      unloaded_gems = config.gems.reject { |g| g.loaded? }
+      if unloaded_gems.size > 0
+        configuration.gems_dependencies_loaded = false
+        # don't print if the gems rake tasks are being run
+        unless $gems_rake_task
+          abort <<-end_error
+  Missing these required gems:
+  #{unloaded_gems.map { |gemm| "#{gemm.name}  #{gemm.requirement}" } * "\n  "}
+
+  You're running:
+  ruby #{Gem.ruby_version} at #{Gem.ruby}
+  rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '}
+
+  Run `rake gems:install` to install the missing gems.
+          end_error
+        end
+      else
+        configuration.gems_dependencies_loaded = true
+      end
+    end
+
+    # # bail out if gems are missing - note that check_gem_dependencies will have
+    # # already called abort() unless $gems_rake_task is set
+    # return unless gems_dependencies_loaded
+
+    initializer :load_application_initializers do
+      if config.gems_dependencies_loaded
+        Dir["#{configuration.root_path}/config/initializers/**/*.rb"].sort.each do |initializer|
+          load(initializer)
+        end
+      end
+    end
+
+    # Fires the user-supplied after_initialize block (Configuration#after_initialize)
+    initializer :after_initialize do
+      if config.gems_dependencies_loaded
+        configuration.after_initialize_blocks.each do |block|
+          block.call
+        end
+      end
+    end
+
+    # # Setup database middleware after initializers have run
+    initializer :initialize_database_middleware do
+      if configuration.frameworks.include?(:active_record)
+        if configuration.frameworks.include?(:action_controller) && ActionController::Base.session_store &&
+            ActionController::Base.session_store.name == 'ActiveRecord::SessionStore'
+          configuration.middleware.insert_before :"ActiveRecord::SessionStore", ActiveRecord::ConnectionAdapters::ConnectionManagement
+          configuration.middleware.insert_before :"ActiveRecord::SessionStore", ActiveRecord::QueryCache
+        else
+          configuration.middleware.use ActiveRecord::ConnectionAdapters::ConnectionManagement
+          configuration.middleware.use ActiveRecord::QueryCache
+        end
+      end
+    end
+
+    # TODO: Make a DSL way to limit an initializer to a particular framework
+
+    # # Prepare dispatcher callbacks and run 'prepare' callbacks
+    initializer :prepare_dispatcher do
+      next unless configuration.frameworks.include?(:action_controller)
+      require 'rails/dispatcher' unless defined?(::Dispatcher)
+      Dispatcher.define_dispatcher_callbacks(configuration.cache_classes)
+    end
+
+    # Routing must be initialized after plugins to allow the former to extend the routes
+    # ---
+    # If Action Controller is not one of the loaded frameworks (Configuration#frameworks)
+    # this does nothing. Otherwise, it loads the routing definitions and sets up
+    # loading module used to lazily load controllers (Configuration#controller_paths).
+    initializer :initialize_routing do
+      next unless configuration.frameworks.include?(:action_controller)
+
+      ActionController::Routing.controller_paths += configuration.controller_paths
+      ActionController::Routing::Routes.add_configuration_file(configuration.routes_configuration_file)
+      ActionController::Routing::Routes.reload!
+    end
+    #
+    # # Observers are loaded after plugins in case Observers or observed models are modified by plugins.
+    initializer :load_observers do
+      if config.gems_dependencies_loaded && configuration.frameworks.include?(:active_record)
+        ActiveRecord::Base.instantiate_observers
+      end
+    end
+
+    # Eager load application classes
+    initializer :load_application_classes do
+      next if $rails_rake_task
+
+      if configuration.cache_classes
+        configuration.eager_load_paths.each do |load_path|
+          matcher = /\A#{Regexp.escape(load_path)}(.*)\.rb\Z/
+          Dir.glob("#{load_path}/**/*.rb").sort.each do |file|
+            require_dependency file.sub(matcher, '\1')
+          end
+        end
+      end
     end
 
-    def middleware
-      config.middleware
+    # Disable dependency loading during request cycle
+    initializer :disable_dependency_loading do
+      if configuration.cache_classes && !configuration.dependency_loading
+        ActiveSupport::Dependencies.unhook!
+      end
     end
 
-    def call(env)
-      @app ||= middleware.build(routes)
-      @app.call(env)
+    # Configure generators if they were already loaded
+    # ===
+    # TODO: Does this need to be an initializer here?
+    initializer :initialize_generators do
+      if defined?(Rails::Generators)
+        Rails::Generators.no_color! unless config.generators.colorize_logging
+        Rails::Generators.aliases.deep_merge! config.generators.aliases
+        Rails::Generators.options.deep_merge! config.generators.options
+      end
     end
   end
 end
diff --git a/railties/lib/rails/core.rb b/railties/lib/rails/core.rb
index 4be90de792..929c38bd22 100644
--- a/railties/lib/rails/core.rb
+++ b/railties/lib/rails/core.rb
@@ -15,11 +15,7 @@ module Rails
 
     # The Configuration instance used to configure the Rails environment
     def configuration
-      @@configuration
-    end
-
-    def configuration=(configuration)
-      @@configuration = configuration
+      application.configuration
     end
 
     def initialized?
diff --git a/railties/lib/rails/generators.rb b/railties/lib/rails/generators.rb
index 0419a4e36c..471eb45ee6 100644
--- a/railties/lib/rails/generators.rb
+++ b/railties/lib/rails/generators.rb
@@ -1,4 +1,4 @@
-activesupport_path = "#{File.dirname(__FILE__)}/../../activesupport/lib"
+activesupport_path = "#{File.dirname(__FILE__)}/../../../activesupport/lib"
 $LOAD_PATH.unshift(activesupport_path) if File.directory?(activesupport_path)
 require 'active_support'
 require 'active_support/core_ext/object/blank'
diff --git a/railties/lib/rails/generators/rails/app/templates/config/boot.rb b/railties/lib/rails/generators/rails/app/templates/config/boot.rb
index 52086fbc7d..6e0e2279cd 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/boot.rb
+++ b/railties/lib/rails/generators/rails/app/templates/config/boot.rb
@@ -40,20 +40,20 @@ module Rails
 
   class Boot
     def run
-      load_initializer
       set_load_paths
+      load_initializer
     end
 
     def set_load_paths
       %w(
-        railties
-        railties/lib
-        activesupport/lib
+        actionmailer/lib
         actionpack/lib
+        activemodel/lib
         activerecord/lib
-        actionmailer/lib
         activeresource/lib
-        actionwebservice/lib
+        activesupport/lib
+        railties/lib
+        railties
       ).reverse_each do |path|
         path = "#{framework_root_path}/#{path}"
         $LOAD_PATH.unshift(path) if File.directory?(path)
@@ -68,7 +68,6 @@ module Rails
 
   class VendorBoot < Boot
     def load_initializer
-      $:.unshift("#{framework_root_path}/railties/lib")
       require "rails"
       install_gem_spec_stubs
       Rails::GemDependency.add_frozen_gem_path
diff --git a/railties/lib/rails/initializable.rb b/railties/lib/rails/initializable.rb
new file mode 100644
index 0000000000..4bd5088207
--- /dev/null
+++ b/railties/lib/rails/initializable.rb
@@ -0,0 +1,99 @@
+module Rails
+  module Initializable
+
+    # A collection of initializers
+    class Collection
+      def initialize(context)
+        @context = context
+        @keys    = []
+        @values  = {}
+        @ran     = false
+      end
+
+      def run
+        return self if @ran
+        each do |key, initializer|
+          @context.class_eval(&initializer.block)
+        end
+        @ran = true
+        self
+      end
+
+      def [](key)
+        keys, values = merge_with_parent
+        values[key.to_sym]
+      end
+
+      def []=(key, value)
+        key = key.to_sym
+        @keys |= [key]
+        @values[key] = value
+      end
+
+      def each
+        keys, values = merge_with_parent
+        keys.each { |k| yield k, values[k] }
+        self
+      end
+
+    protected
+
+      attr_reader :keys, :values
+
+    private
+
+      def merge_with_parent
+        keys, values = [], {}
+
+        if @context.is_a?(Class) && @context.superclass.is_a?(Initializable)
+          parent = @context.superclass.initializers
+          keys, values = parent.keys, parent.values
+        end
+
+        values = values.merge(@values)
+        return keys | @keys, values
+      end
+
+    end
+
+    class Initializer
+      attr_reader :name, :options, :block
+
+      def initialize(name, options = {}, &block)
+        @name, @options, @block = name, options, block
+      end
+    end
+
+    def initializer(name, options = {}, &block)
+      @initializers ||= Collection.new(self)
+      @initializers[name] = Initializer.new(name, options, &block)
+    end
+
+    def initializers
+      @initializers ||= Collection.new(self)
+    end
+
+  end
+
+  extend Initializable
+
+  # Check for valid Ruby version (1.8.2 or 1.8.4 or higher). This is done in an
+  # external file, so we can use it from the `rails` program as well without duplication.
+  initializer :check_ruby_version do
+    require 'rails/ruby_version_check'
+  end
+
+  # For Ruby 1.8, this initialization sets $KCODE to 'u' to enable the
+  # multibyte safe operations. Plugin authors supporting other encodings
+  # should override this behaviour and set the relevant +default_charset+
+  # on ActionController::Base.
+  #
+  # For Ruby 1.9, UTF-8 is the default internal and external encoding.
+  initializer :initialize_encoding do
+    if RUBY_VERSION < '1.9'
+      $KCODE='u'
+    else
+      Encoding.default_external = Encoding::UTF_8
+    end
+  end
+end
\ No newline at end of file
diff --git a/railties/lib/rails/initializer.rb b/railties/lib/rails/initializer.rb
index c2d6e1609f..f7c3774450 100644
--- a/railties/lib/rails/initializer.rb
+++ b/railties/lib/rails/initializer.rb
@@ -1,5 +1,6 @@
 require "pathname"
 
+require 'rails/initializable'
 require 'rails/application'
 require 'rails/railties_path'
 require 'rails/version'
@@ -12,572 +13,16 @@ require 'rails/configuration'
 RAILS_ENV = (ENV['RAILS_ENV'] || 'development').dup unless defined?(RAILS_ENV)
 
 module Rails
-  # Sanity check to make sure this file is only loaded once
-  # TODO: Get to the point where this can be removed.
-  raise "It looks like initializer.rb was required twice" if defined?(Initializer)
-
   class Initializer
     class Error < StandardError ; end
-
-    class Base
-      class << self
-        def run(&blk)
-          define_method(:run, &blk)
-        end
-
-        def config=(config)
-          @@config = config
-        end
-
-        def config
-          @@config || Configuration.new
-        end
-        alias configuration config
-
-        def gems_dependencies_loaded
-          config.gems_dependencies_loaded
-        end
-
-        def plugin_loader
-          @plugin_loader ||= configuration.plugin_loader.new(self)
-        end
-      end
-
-      def gems_dependencies_loaded
-        self.class.gems_dependencies_loaded
-      end
-
-      def plugin_loader
-        self.class.plugin_loader
-      end
-    end
-
-    class Runner
-
-      attr_reader :names, :initializers
-      attr_accessor :config
-      alias configuration config
-
-      def initialize(parent = nil)
-        @names        = parent ? parent.names.dup        : {}
-        @initializers = parent ? parent.initializers.dup : []
-      end
-
-      def add(name, options = {}, &block)
-        # If :before or :after is specified, set the index to the right spot
-        if other = options[:before] || options[:after]
-          raise Error, "The #{other.inspect} initializer does not exist" unless @names[other]
-          index = @initializers.index(@names[other])
-          index += 1 if options[:after]
-        end
-
-        @initializers.insert(index || -1, block)
-        @names[name] = block
-      end
-
-      def delete(name)
-        @names[name].tap do |initializer|
-          @initializers.delete(initializer)
-          @names.delete(name)
-        end
-      end
-
-      def run_initializer(initializer)
-        init_block = initializer.is_a?(Proc) ? initializer : @names[initializer]
-        container = Class.new(Base, &init_block).new
-        container.run if container.respond_to?(:run)
-      end
-
-      def run(initializer = nil)
-        Rails.configuration = Base.config = @config
-
-        if initializer
-          run_initializer(initializer)
-        else
-          @initializers.each {|block| run_initializer(block) }
-        end
-      end
-    end
-
-    def self.default
-      @default ||= Runner.new
-    end
-
     def self.run(initializer = nil, config = nil)
-      # TODO: Clean this all up
       if initializer
-        default.config = config
-        default.run(initializer)
+        # Deprecated
       else
         Rails.application = Class.new(Application)
         yield Rails.application.config if block_given?
-        default.config = Rails.application.config
-        default.run
-      end
-    end
-  end
-
-  # Check for valid Ruby version (1.8.2 or 1.8.4 or higher). This is done in an
-  # external file, so we can use it from the `rails` program as well without duplication.
-  Initializer.default.add :check_ruby_version do
-    require 'rails/ruby_version_check'
-  end
-
-  # Bail if boot.rb is outdated
-  Initializer.default.add :freak_out_if_boot_rb_is_outdated do
-    unless defined?(Rails::BOOTSTRAP_VERSION)
-      abort %{Your config/boot.rb is outdated: Run "rake rails:update".}
-    end
-  end
-
-  # Set the <tt>$LOAD_PATH</tt> based on the value of
-  # Configuration#load_paths. Duplicates are removed.
-  Initializer.default.add :set_load_path do
-    configuration.paths.add_to_load_path
-    $LOAD_PATH.uniq!
-  end
-
-  # Requires all frameworks specified by the Configuration#frameworks
-  # list. By default, all frameworks (Active Record, Active Support,
-  # Action Pack, Action Mailer, and Active Resource) are loaded.
-  Initializer.default.add :require_frameworks do
-    begin
-      require 'active_support'
-      require 'active_support/core_ext/kernel/reporting'
-      require 'active_support/core_ext/logger'
-
-      # TODO: This is here to make Sam Ruby's tests pass. Needs discussion.
-      require 'active_support/core_ext/numeric/bytes'
-      configuration.frameworks.each { |framework| require(framework.to_s) }
-    rescue LoadError => e
-      # Re-raise as RuntimeError because Mongrel would swallow LoadError.
-      raise e.to_s
-    end
-  end
-
-  # Set the paths from which Rails will automatically load source files, and
-  # the load_once paths.
-  Initializer.default.add :set_autoload_paths do
-    require 'active_support/dependencies'
-    ActiveSupport::Dependencies.load_paths = configuration.load_paths.uniq
-    ActiveSupport::Dependencies.load_once_paths = configuration.load_once_paths.uniq
-
-    extra = ActiveSupport::Dependencies.load_once_paths - ActiveSupport::Dependencies.load_paths
-    unless extra.empty?
-      abort <<-end_error
-        load_once_paths must be a subset of the load_paths.
-        Extra items in load_once_paths: #{extra * ','}
-      end_error
-    end
-
-    # Freeze the arrays so future modifications will fail rather than do nothing mysteriously
-    configuration.load_once_paths.freeze
-  end
-
-  # Adds all load paths from plugins to the global set of load paths, so that
-  # code from plugins can be required (explicitly or automatically via ActiveSupport::Dependencies).
-  Initializer.default.add :add_plugin_load_paths do
-    require 'active_support/dependencies'
-    plugin_loader.add_plugin_load_paths
-  end
-
-  # Create tmp directories
-  Initializer.default.add :ensure_tmp_directories_exist do
-    %w(cache pids sessions sockets).each do |dir_to_make|
-      FileUtils.mkdir_p(File.join(configuration.root_path, 'tmp', dir_to_make))
-    end
-  end
-
-  # Loads the environment specified by Configuration#environment_path, which
-  # is typically one of development, test, or production.
-  Initializer.default.add :load_environment do
-    silence_warnings do
-      next if @environment_loaded
-      next unless File.file?(configuration.environment_path)
-
-      @environment_loaded = true
-
-      config = configuration
-      constants = self.class.constants
-
-      eval(IO.read(configuration.environment_path), binding, configuration.environment_path)
-
-      (self.class.constants - constants).each do |const|
-        Object.const_set(const, self.class.const_get(const))
-      end
-    end
-  end
-
-  Initializer.default.add :add_gem_load_paths do
-    require 'rails/gem_dependency'
-    Rails::GemDependency.add_frozen_gem_path
-    unless config.gems.empty?
-      require "rubygems"
-      config.gems.each { |gem| gem.add_load_paths }
-    end
-  end
-
-  # Preload all frameworks specified by the Configuration#frameworks.
-  # Used by Passenger to ensure everything's loaded before forking and
-  # to avoid autoload race conditions in JRuby.
-  Initializer.default.add :preload_frameworks do
-    if configuration.preload_frameworks
-      configuration.frameworks.each do |framework|
-        # String#classify and #constantize aren't available yet.
-        toplevel = Object.const_get(framework.to_s.gsub(/(?:^|_)(.)/) { $1.upcase })
-        toplevel.load_all! if toplevel.respond_to?(:load_all!)
-      end
-    end
-  end
-
-  # For Ruby 1.8, this initialization sets $KCODE to 'u' to enable the
-  # multibyte safe operations. Plugin authors supporting other encodings
-  # should override this behaviour and set the relevant +default_charset+
-  # on ActionController::Base.
-  #
-  # For Ruby 1.9, UTF-8 is the default internal and external encoding.
-  Initializer.default.add :initialize_encoding do
-    if RUBY_VERSION < '1.9'
-      $KCODE='u'
-    else
-      Encoding.default_external = Encoding::UTF_8
-    end
-  end
-
-  # This initialization routine does nothing unless <tt>:active_record</tt>
-  # is one of the frameworks to load (Configuration#frameworks). If it is,
-  # this sets the database configuration from Configuration#database_configuration
-  # and then establishes the connection.
-  Initializer.default.add :initialize_database do
-    if configuration.frameworks.include?(:active_record)
-      ActiveRecord::Base.configurations = configuration.database_configuration
-      ActiveRecord::Base.establish_connection
-    end
-  end
-
-  # Include middleware to serve up static assets
-  Initializer.default.add :initialize_static_server do
-    if configuration.frameworks.include?(:action_controller) && configuration.serve_static_assets
-      configuration.middleware.use(ActionDispatch::Static, Rails.public_path)
-    end
-  end
-
-  Initializer.default.add :initialize_middleware_stack do
-    if configuration.frameworks.include?(:action_controller)
-      configuration.middleware.use(::Rack::Lock) unless ActionController::Base.allow_concurrency
-      configuration.middleware.use(ActionDispatch::ShowExceptions, ActionController::Base.consider_all_requests_local)
-      configuration.middleware.use(ActionDispatch::Callbacks, ActionController::Dispatcher.prepare_each_request)
-      configuration.middleware.use(lambda { ActionController::Base.session_store }, lambda { ActionController::Base.session_options })
-      configuration.middleware.use(ActionDispatch::ParamsParser)
-      configuration.middleware.use(::Rack::MethodOverride)
-      configuration.middleware.use(::Rack::Head)
-      configuration.middleware.use(ActionDispatch::StringCoercion)
-    end
-  end
-
-  Initializer.default.add :initialize_cache do
-    unless defined?(RAILS_CACHE)
-      silence_warnings { Object.const_set "RAILS_CACHE", ActiveSupport::Cache.lookup_store(configuration.cache_store) }
-
-      if RAILS_CACHE.respond_to?(:middleware)
-        # Insert middleware to setup and teardown local cache for each request
-        configuration.middleware.insert_after(:"Rack::Lock", RAILS_CACHE.middleware)
-      end
-    end
-  end
-
-  Initializer.default.add :initialize_framework_caches do
-    if configuration.frameworks.include?(:action_controller)
-      ActionController::Base.cache_store ||= RAILS_CACHE
-    end
-  end
-
-  Initializer.default.add :initialize_logger do
-    # if the environment has explicitly defined a logger, use it
-    next if Rails.logger
-
-    unless logger = configuration.logger
-      begin
-        logger = ActiveSupport::BufferedLogger.new(configuration.log_path)
-        logger.level = ActiveSupport::BufferedLogger.const_get(configuration.log_level.to_s.upcase)
-        if RAILS_ENV == "production"
-          logger.auto_flushing = false
-        end
-      rescue StandardError => e
-        logger = ActiveSupport::BufferedLogger.new(STDERR)
-        logger.level = ActiveSupport::BufferedLogger::WARN
-        logger.warn(
-          "Rails Error: Unable to access log file. Please ensure that #{configuration.log_path} exists and is chmod 0666. " +
-          "The log level has been raised to WARN and the output directed to STDERR until the problem is fixed."
-        )
+        Rails.application.new
       end
     end
-
-    # TODO: Why are we silencing warning here?
-    silence_warnings { Object.const_set "RAILS_DEFAULT_LOGGER", logger }
-  end
-
-  # Sets the logger for Active Record, Action Controller, and Action Mailer
-  # (but only for those frameworks that are to be loaded). If the framework's
-  # logger is already set, it is not changed, otherwise it is set to use
-  # RAILS_DEFAULT_LOGGER.
-  Initializer.default.add :initialize_framework_logging do
-    for framework in ([ :active_record, :action_controller, :action_mailer ] & configuration.frameworks)
-      framework.to_s.camelize.constantize.const_get("Base").logger ||= Rails.logger
-    end
-
-    ActiveSupport::Dependencies.logger ||= Rails.logger
-    Rails.cache.logger ||= Rails.logger
-  end
-
-  # Sets the dependency loading mechanism based on the value of
-  # Configuration#cache_classes.
-  Initializer.default.add :initialize_dependency_mechanism do
-    # TODO: Remove files from the $" and always use require
-    ActiveSupport::Dependencies.mechanism = configuration.cache_classes ? :require : :load
-  end
-
-  # Loads support for "whiny nil" (noisy warnings when methods are invoked
-  # on +nil+ values) if Configuration#whiny_nils is true.
-  Initializer.default.add :initialize_whiny_nils do
-    require('active_support/whiny_nil') if configuration.whiny_nils
-  end
-
-
-  # Sets the default value for Time.zone, and turns on ActiveRecord::Base#time_zone_aware_attributes.
-  # If assigned value cannot be matched to a TimeZone, an exception will be raised.
-  Initializer.default.add :initialize_time_zone do
-    if configuration.time_zone
-      zone_default = Time.__send__(:get_zone, configuration.time_zone)
-
-      unless zone_default
-        raise \
-          'Value assigned to config.time_zone not recognized.' +
-          'Run "rake -D time" for a list of tasks for finding appropriate time zone names.'
-      end
-
-      Time.zone_default = zone_default
-
-      if configuration.frameworks.include?(:active_record)
-        ActiveRecord::Base.time_zone_aware_attributes = true
-        ActiveRecord::Base.default_timezone = :utc
-      end
-    end
-  end
-
-  # Set the i18n configuration from config.i18n but special-case for the load_path which should be
-  # appended to what's already set instead of overwritten.
-  Initializer.default.add :initialize_i18n do
-    configuration.i18n.each do |setting, value|
-      if setting == :load_path
-        I18n.load_path += value
-      else
-        I18n.send("#{setting}=", value)
-      end
-    end
-  end
-
-  # Initializes framework-specific settings for each of the loaded frameworks
-  # (Configuration#frameworks). The available settings map to the accessors
-  # on each of the corresponding Base classes.
-  Initializer.default.add :initialize_framework_settings do
-    configuration.frameworks.each do |framework|
-      base_class = framework.to_s.camelize.constantize.const_get("Base")
-
-      configuration.send(framework).each do |setting, value|
-        base_class.send("#{setting}=", value)
-      end
-    end
-    configuration.active_support.each do |setting, value|
-      ActiveSupport.send("#{setting}=", value)
-    end
-  end
-
-  # Sets +ActionController::Base#view_paths+ and +ActionMailer::Base#template_root+
-  # (but only for those frameworks that are to be loaded). If the framework's
-  # paths have already been set, it is not changed, otherwise it is
-  # set to use Configuration#view_path.
-  Initializer.default.add :initialize_framework_views do
-    if configuration.frameworks.include?(:action_view)
-      view_path = ActionView::PathSet.type_cast(configuration.view_path)
-      ActionMailer::Base.template_root  = view_path if configuration.frameworks.include?(:action_mailer) && ActionMailer::Base.view_paths.blank?
-      ActionController::Base.view_paths = view_path if configuration.frameworks.include?(:action_controller) && ActionController::Base.view_paths.blank?
-    end
-  end
-
-  Initializer.default.add :initialize_metal do
-    # TODO: Make Rails and metal work without ActionController
-    if defined?(ActionController)
-      Rails::Rack::Metal.requested_metals = configuration.metals
-      Rails::Rack::Metal.metal_paths += plugin_loader.engine_metal_paths
-
-      configuration.middleware.insert_before(
-        :"ActionDispatch::ParamsParser",
-        Rails::Rack::Metal, :if => Rails::Rack::Metal.metals.any?)
-    end
-  end
-
-  Initializer.default.add :check_for_unbuilt_gems do
-    unbuilt_gems = config.gems.select {|gem| gem.frozen? && !gem.built? }
-    if unbuilt_gems.size > 0
-      # don't print if the gems:build rake tasks are being run
-      unless $gems_build_rake_task
-        abort <<-end_error
-The following gems have native components that need to be built
-#{unbuilt_gems.map { |gemm| "#{gemm.name}  #{gemm.requirement}" } * "\n  "}
-
-You're running:
-ruby #{Gem.ruby_version} at #{Gem.ruby}
-rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '}
-
-Run `rake gems:build` to build the unbuilt gems.
-        end_error
-      end
-    end
-  end
-
-  Initializer.default.add :load_gems do
-    unless $gems_rake_task
-      config.gems.each { |gem| gem.load }
-    end
-  end
-
-  # Loads all plugins in <tt>config.plugin_paths</tt>.  <tt>plugin_paths</tt>
-  # defaults to <tt>vendor/plugins</tt> but may also be set to a list of
-  # paths, such as
-  #   config.plugin_paths = ["#{RAILS_ROOT}/lib/plugins", "#{RAILS_ROOT}/vendor/plugins"]
-  #
-  # In the default implementation, as each plugin discovered in <tt>plugin_paths</tt> is initialized:
-  # * its +lib+ directory, if present, is added to the load path (immediately after the applications lib directory)
-  # * <tt>init.rb</tt> is evaluated, if present
-  #
-  # After all plugins are loaded, duplicates are removed from the load path.
-  # If an array of plugin names is specified in config.plugins, only those plugins will be loaded
-  # and they plugins will be loaded in that order. Otherwise, plugins are loaded in alphabetical
-  # order.
-  #
-  # if config.plugins ends contains :all then the named plugins will be loaded in the given order and all other
-  # plugins will be loaded in alphabetical order
-  Initializer.default.add :load_plugins do
-    plugin_loader.load_plugins
-  end
-
-  # TODO: Figure out if this needs to run a second time
-  # load_gems
-
-  Initializer.default.add :check_gem_dependencies do
-    unloaded_gems = config.gems.reject { |g| g.loaded? }
-    if unloaded_gems.size > 0
-      configuration.gems_dependencies_loaded = false
-      # don't print if the gems rake tasks are being run
-      unless $gems_rake_task
-        abort <<-end_error
-Missing these required gems:
-#{unloaded_gems.map { |gemm| "#{gemm.name}  #{gemm.requirement}" } * "\n  "}
-
-You're running:
-ruby #{Gem.ruby_version} at #{Gem.ruby}
-rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '}
-
-Run `rake gems:install` to install the missing gems.
-        end_error
-      end
-    else
-      configuration.gems_dependencies_loaded = true
-    end
-  end
-
-  # # bail out if gems are missing - note that check_gem_dependencies will have
-  # # already called abort() unless $gems_rake_task is set
-  # return unless gems_dependencies_loaded
-
-  Initializer.default.add :load_application_initializers do
-    if gems_dependencies_loaded
-      Dir["#{configuration.root_path}/config/initializers/**/*.rb"].sort.each do |initializer|
-        load(initializer)
-      end
-    end
-  end
-
-  # Fires the user-supplied after_initialize block (Configuration#after_initialize)
-  Initializer.default.add :after_initialize do
-    if gems_dependencies_loaded
-      configuration.after_initialize_blocks.each do |block|
-        block.call
-      end
-    end
-  end
-
-  # # Setup database middleware after initializers have run
-  Initializer.default.add :initialize_database_middleware do
-    if configuration.frameworks.include?(:active_record)
-      if configuration.frameworks.include?(:action_controller) && ActionController::Base.session_store &&
-          ActionController::Base.session_store.name == 'ActiveRecord::SessionStore'
-        configuration.middleware.insert_before :"ActiveRecord::SessionStore", ActiveRecord::ConnectionAdapters::ConnectionManagement
-        configuration.middleware.insert_before :"ActiveRecord::SessionStore", ActiveRecord::QueryCache
-      else
-        configuration.middleware.use ActiveRecord::ConnectionAdapters::ConnectionManagement
-        configuration.middleware.use ActiveRecord::QueryCache
-      end
-    end
-  end
-
-  # TODO: Make a DSL way to limit an initializer to a particular framework
-
-  # # Prepare dispatcher callbacks and run 'prepare' callbacks
-  Initializer.default.add :prepare_dispatcher do
-    next unless configuration.frameworks.include?(:action_controller)
-    require 'rails/dispatcher' unless defined?(::Dispatcher)
-    Dispatcher.define_dispatcher_callbacks(configuration.cache_classes)
-  end
-
-  # Routing must be initialized after plugins to allow the former to extend the routes
-  # ---
-  # If Action Controller is not one of the loaded frameworks (Configuration#frameworks)
-  # this does nothing. Otherwise, it loads the routing definitions and sets up
-  # loading module used to lazily load controllers (Configuration#controller_paths).
-  Initializer.default.add :initialize_routing do
-    next unless configuration.frameworks.include?(:action_controller)
-
-    ActionController::Routing.controller_paths += configuration.controller_paths
-    ActionController::Routing::Routes.add_configuration_file(configuration.routes_configuration_file)
-    ActionController::Routing::Routes.reload!
-  end
-  #
-  # # Observers are loaded after plugins in case Observers or observed models are modified by plugins.
-  Initializer.default.add :load_observers do
-    if gems_dependencies_loaded && configuration.frameworks.include?(:active_record)
-      ActiveRecord::Base.instantiate_observers
-    end
-  end
-
-  # Eager load application classes
-  Initializer.default.add :load_application_classes do
-    next if $rails_rake_task
-
-    if configuration.cache_classes
-      configuration.eager_load_paths.each do |load_path|
-        matcher = /\A#{Regexp.escape(load_path)}(.*)\.rb\Z/
-        Dir.glob("#{load_path}/**/*.rb").sort.each do |file|
-          require_dependency file.sub(matcher, '\1')
-        end
-      end
-    end
-  end
-
-  # Disable dependency loading during request cycle
-  Initializer.default.add :disable_dependency_loading do
-    if configuration.cache_classes && !configuration.dependency_loading
-      ActiveSupport::Dependencies.unhook!
-    end
-  end
-
-  # Configure generators if they were already loaded
-  Initializer.default.add :initialize_generators do
-    if defined?(Rails::Generators)
-      Rails::Generators.no_color! unless config.generators.colorize_logging
-      Rails::Generators.aliases.deep_merge! config.generators.aliases
-      Rails::Generators.options.deep_merge! config.generators.options
-    end
   end
 end
diff --git a/railties/lib/rails/initializer_old.rb b/railties/lib/rails/initializer_old.rb
deleted file mode 100644
index cee5c7bcb6..0000000000
--- a/railties/lib/rails/initializer_old.rb
+++ /dev/null
@@ -1,1137 +0,0 @@
-require 'logger'
-require 'set'
-require 'pathname'
-
-$LOAD_PATH.unshift File.dirname(__FILE__)
-require 'railties_path'
-require 'rails/version'
-require 'rails/gem_dependency'
-require 'rails/rack'
-
-RAILS_ENV = (ENV['RAILS_ENV'] || 'development').dup unless defined?(RAILS_ENV)
-
-module Rails
-  class << self
-    # The Configuration instance used to configure the Rails environment
-    def configuration
-      @@configuration
-    end
-
-    def configuration=(configuration)
-      @@configuration = configuration
-    end
-
-    def initialized?
-      @initialized || false
-    end
-
-    def initialized=(initialized)
-      @initialized ||= initialized
-    end
-
-    def logger
-      if defined?(RAILS_DEFAULT_LOGGER)
-        RAILS_DEFAULT_LOGGER
-      else
-        nil
-      end
-    end
-
-    def backtrace_cleaner
-      @@backtrace_cleaner ||= begin
-        # Relies on ActiveSupport, so we have to lazy load to postpone definition until AS has been loaded
-        require 'rails/backtrace_cleaner'
-        Rails::BacktraceCleaner.new
-      end
-    end
-
-    def root
-      Pathname.new(RAILS_ROOT) if defined?(RAILS_ROOT)
-    end
-
-    def env
-      @_env ||= ActiveSupport::StringInquirer.new(RAILS_ENV)
-    end
-
-    def cache
-      RAILS_CACHE
-    end
-
-    def version
-      VERSION::STRING
-    end
-
-    def public_path
-      @@public_path ||= self.root ? File.join(self.root, "public") : "public"
-    end
-
-    def public_path=(path)
-      @@public_path = path
-    end
-  end
-
-  # The Initializer is responsible for processing the Rails configuration, such
-  # as setting the $LOAD_PATH, requiring the right frameworks, initializing
-  # logging, and more. It can be run either as a single command that'll just
-  # use the default configuration, like this:
-  #
-  #   Rails::Initializer.run
-  #
-  # But normally it's more interesting to pass in a custom configuration
-  # through the block running:
-  #
-  #   Rails::Initializer.run do |config|
-  #     config.frameworks -= [ :action_mailer ]
-  #   end
-  #
-  # This will use the default configuration options from Rails::Configuration,
-  # but allow for overwriting on select areas.
-  class Initializer
-    # The Configuration instance used by this Initializer instance.
-    attr_reader :configuration
-
-    # The set of loaded plugins.
-    attr_reader :loaded_plugins
-
-    # Whether or not all the gem dependencies have been met
-    attr_reader :gems_dependencies_loaded
-
-    # Runs the initializer. By default, this will invoke the #process method,
-    # which simply executes all of the initialization routines. Alternately,
-    # you can specify explicitly which initialization routine you want:
-    #
-    #   Rails::Initializer.run(:set_load_path)
-    #
-    # This is useful if you only want the load path initialized, without
-    # incurring the overhead of completely loading the entire environment.
-    def self.run(command = :process, configuration = Configuration.new)
-      yield configuration if block_given?
-      initializer = new configuration
-      initializer.send(command)
-      initializer
-    end
-
-    # Create a new Initializer instance that references the given Configuration
-    # instance.
-    def initialize(configuration)
-      @configuration = configuration
-      @loaded_plugins = []
-    end
-
-    # Sequentially step through all of the available initialization routines,
-    # in order (view execution order in source).
-    def process
-      Rails.configuration = configuration
-
-      check_ruby_version
-      install_gem_spec_stubs
-      set_load_path
-      add_gem_load_paths
-
-      require_frameworks
-      set_autoload_paths
-      add_plugin_load_paths
-      load_environment
-      preload_frameworks
-
-      initialize_encoding
-      initialize_database
-
-      initialize_cache
-      initialize_framework_caches
-
-      initialize_logger
-      initialize_framework_logging
-
-      initialize_dependency_mechanism
-      initialize_whiny_nils
-
-      initialize_time_zone
-      initialize_i18n
-
-      initialize_framework_settings
-      initialize_framework_views
-
-      initialize_metal
-
-      add_support_load_paths
-
-      check_for_unbuilt_gems
-
-      load_gems
-      load_plugins
-
-      # pick up any gems that plugins depend on
-      add_gem_load_paths
-      load_gems
-      check_gem_dependencies
-
-      # bail out if gems are missing - note that check_gem_dependencies will have
-      # already called abort() unless $gems_rake_task is set
-      return unless gems_dependencies_loaded
-
-      load_application_initializers
-
-      # the framework is now fully initialized
-      after_initialize
-
-      # Setup database middleware after initializers have run
-      initialize_database_middleware
-
-      # Prepare dispatcher callbacks and run 'prepare' callbacks
-      prepare_dispatcher
-
-      # Routing must be initialized after plugins to allow the former to extend the routes
-      initialize_routing
-
-      # Observers are loaded after plugins in case Observers or observed models are modified by plugins.
-      load_observers
-
-      # Load view path cache
-      load_view_paths
-
-      # Load application classes
-      load_application_classes
-
-      # Disable dependency loading during request cycle
-      disable_dependency_loading
-
-      # Flag initialized
-      Rails.initialized = true
-    end
-
-    # Check for valid Ruby version
-    # This is done in an external file, so we can use it
-    # from the `rails` program as well without duplication.
-    def check_ruby_version
-      require 'ruby_version_check'
-    end
-
-    # If Rails is vendored and RubyGems is available, install stub GemSpecs
-    # for Rails, Active Support, Active Record, Action Pack, Action Mailer, and
-    # Active Resource. This allows Gem plugins to depend on Rails even when
-    # the Gem version of Rails shouldn't be loaded.
-    def install_gem_spec_stubs
-      unless Rails.respond_to?(:vendor_rails?)
-        abort %{Your config/boot.rb is outdated: Run "rake rails:update".}
-      end
-
-      if Rails.vendor_rails?
-        begin; require "rubygems"; rescue LoadError; return; end
-
-        stubs = %w(rails activesupport activerecord actionpack actionmailer activeresource)
-        stubs.reject! { |s| Gem.loaded_specs.key?(s) }
-
-        stubs.each do |stub|
-          Gem.loaded_specs[stub] = Gem::Specification.new do |s|
-            s.name = stub
-            s.version = Rails::VERSION::STRING
-            s.loaded_from = ""
-          end
-        end
-      end
-    end
-
-    # Set the <tt>$LOAD_PATH</tt> based on the value of
-    # Configuration#load_paths. Duplicates are removed.
-    def set_load_path
-      load_paths = configuration.load_paths + configuration.framework_paths
-      load_paths.reverse_each { |dir| $LOAD_PATH.unshift(dir) if File.directory?(dir) }
-      $LOAD_PATH.uniq!
-    end
-
-    # Set the paths from which Rails will automatically load source files, and
-    # the load_once paths.
-    def set_autoload_paths
-      require 'active_support/dependencies'
-      ActiveSupport::Dependencies.load_paths = configuration.load_paths.uniq
-      ActiveSupport::Dependencies.load_once_paths = configuration.load_once_paths.uniq
-
-      extra = ActiveSupport::Dependencies.load_once_paths - ActiveSupport::Dependencies.load_paths
-      unless extra.empty?
-        abort <<-end_error
-          load_once_paths must be a subset of the load_paths.
-          Extra items in load_once_paths: #{extra * ','}
-        end_error
-      end
-
-      # Freeze the arrays so future modifications will fail rather than do nothing mysteriously
-      configuration.load_once_paths.freeze
-    end
-
-    # Requires all frameworks specified by the Configuration#frameworks
-    # list. By default, all frameworks (Active Record, Active Support,
-    # Action Pack, Action Mailer, and Active Resource) are loaded.
-    def require_frameworks
-      require 'active_support/all'
-      configuration.frameworks.each { |framework| require(framework.to_s) }
-    rescue LoadError => e
-      # Re-raise as RuntimeError because Mongrel would swallow LoadError.
-      raise e.to_s
-    end
-
-    # Preload all frameworks specified by the Configuration#frameworks.
-    # Used by Passenger to ensure everything's loaded before forking and
-    # to avoid autoload race conditions in JRuby.
-    def preload_frameworks
-      if configuration.preload_frameworks
-        configuration.frameworks.each do |framework|
-          # String#classify and #constantize aren't available yet.
-          toplevel = Object.const_get(framework.to_s.gsub(/(?:^|_)(.)/) { $1.upcase })
-          toplevel.load_all! if toplevel.respond_to?(:load_all!)
-        end
-      end
-    end
-
-    # Add the load paths used by support functions such as the info controller
-    def add_support_load_paths
-    end
-
-    # Adds all load paths from plugins to the global set of load paths, so that
-    # code from plugins can be required (explicitly or automatically via ActiveSupport::Dependencies).
-    def add_plugin_load_paths
-      require 'active_support/dependencies'
-      plugin_loader.add_plugin_load_paths
-    end
-
-    def add_gem_load_paths
-      require 'rails/gem_dependency'
-      Rails::GemDependency.add_frozen_gem_path
-      unless @configuration.gems.empty?
-        require "rubygems"
-        @configuration.gems.each { |gem| gem.add_load_paths }
-      end
-    end
-
-    def load_gems
-      unless $gems_rake_task
-        @configuration.gems.each { |gem| gem.load }
-      end
-    end
-
-    def check_for_unbuilt_gems
-      unbuilt_gems = @configuration.gems.select {|gem| gem.frozen? && !gem.built? }
-      if unbuilt_gems.size > 0
-        # don't print if the gems:build rake tasks are being run
-        unless $gems_build_rake_task
-          abort <<-end_error
-The following gems have native components that need to be built
-  #{unbuilt_gems.map { |gemm| "#{gemm.name}  #{gemm.requirement}" } * "\n  "}
-
-You're running:
-  ruby #{Gem.ruby_version} at #{Gem.ruby}
-  rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '}
-
-Run `rake gems:build` to build the unbuilt gems.
-          end_error
-        end
-      end
-    end
-
-    def check_gem_dependencies
-      unloaded_gems = @configuration.gems.reject { |g| g.loaded? }
-      if unloaded_gems.size > 0
-        @gems_dependencies_loaded = false
-        # don't print if the gems rake tasks are being run
-        unless $gems_rake_task
-          abort <<-end_error
-Missing these required gems:
-  #{unloaded_gems.map { |gemm| "#{gemm.name}  #{gemm.requirement}" } * "\n  "}
-
-You're running:
-  ruby #{Gem.ruby_version} at #{Gem.ruby}
-  rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '}
-
-Run `rake gems:install` to install the missing gems.
-          end_error
-        end
-      else
-        @gems_dependencies_loaded = true
-      end
-    end
-
-    # Loads all plugins in <tt>config.plugin_paths</tt>.  <tt>plugin_paths</tt>
-    # defaults to <tt>vendor/plugins</tt> but may also be set to a list of
-    # paths, such as
-    #   config.plugin_paths = ["#{RAILS_ROOT}/lib/plugins", "#{RAILS_ROOT}/vendor/plugins"]
-    #
-    # In the default implementation, as each plugin discovered in <tt>plugin_paths</tt> is initialized:
-    # * its +lib+ directory, if present, is added to the load path (immediately after the applications lib directory)
-    # * <tt>init.rb</tt> is evaluated, if present
-    #
-    # After all plugins are loaded, duplicates are removed from the load path.
-    # If an array of plugin names is specified in config.plugins, only those plugins will be loaded
-    # and they plugins will be loaded in that order. Otherwise, plugins are loaded in alphabetical
-    # order.
-    #
-    # if config.plugins ends contains :all then the named plugins will be loaded in the given order and all other
-    # plugins will be loaded in alphabetical order
-    def load_plugins
-      plugin_loader.load_plugins
-    end
-
-    def plugin_loader
-      @plugin_loader ||= configuration.plugin_loader.new(self)
-    end
-
-    # Loads the environment specified by Configuration#environment_path, which
-    # is typically one of development, test, or production.
-    def load_environment
-      silence_warnings do
-        return if @environment_loaded
-        @environment_loaded = true
-
-        config = configuration
-        constants = self.class.constants
-
-        eval(IO.read(configuration.environment_path), binding, configuration.environment_path)
-
-        (self.class.constants - constants).each do |const|
-          Object.const_set(const, self.class.const_get(const))
-        end
-      end
-    end
-
-    def load_observers
-      if gems_dependencies_loaded && configuration.frameworks.include?(:active_record)
-        ActiveRecord::Base.instantiate_observers
-      end
-    end
-
-    def load_view_paths
-      if configuration.frameworks.include?(:action_view)
-        if configuration.cache_classes
-          view_path = ActionView::FileSystemResolverWithFallback.new(configuration.view_path)
-          ActionController::Base.view_paths = view_path if configuration.frameworks.include?(:action_controller)
-          ActionMailer::Base.template_root = view_path if configuration.frameworks.include?(:action_mailer)
-        end
-      end
-    end
-
-    # Eager load application classes
-    def load_application_classes
-      return if $rails_rake_task
-      if configuration.cache_classes
-        configuration.eager_load_paths.each do |load_path|
-          matcher = /\A#{Regexp.escape(load_path)}(.*)\.rb\Z/
-          Dir.glob("#{load_path}/**/*.rb").sort.each do |file|
-            require_dependency file.sub(matcher, '\1')
-          end
-        end
-      end
-    end
-
-    # For Ruby 1.8, this initialization sets $KCODE to 'u' to enable the
-    # multibyte safe operations. Plugin authors supporting other encodings
-    # should override this behaviour and set the relevant +default_charset+
-    # on ActionController::Base.
-    #
-    # For Ruby 1.9, UTF-8 is the default internal and external encoding.
-    def initialize_encoding
-      if RUBY_VERSION < '1.9'
-        $KCODE='u'
-      else
-        Encoding.default_internal = Encoding::UTF_8
-        Encoding.default_external = Encoding::UTF_8
-      end
-    end
-
-    # This initialization routine does nothing unless <tt>:active_record</tt>
-    # is one of the frameworks to load (Configuration#frameworks). If it is,
-    # this sets the database configuration from Configuration#database_configuration
-    # and then establishes the connection.
-    def initialize_database
-      if configuration.frameworks.include?(:active_record)
-        ActiveRecord::Base.configurations = configuration.database_configuration
-        ActiveRecord::Base.establish_connection
-      end
-    end
-
-    def initialize_database_middleware
-      if configuration.frameworks.include?(:active_record)
-        if configuration.frameworks.include?(:action_controller) &&
-            ActionController::Base.session_store.name == 'ActiveRecord::SessionStore'
-          configuration.middleware.insert_before :"ActiveRecord::SessionStore", ActiveRecord::ConnectionAdapters::ConnectionManagement
-          configuration.middleware.insert_before :"ActiveRecord::SessionStore", ActiveRecord::QueryCache
-        else
-          configuration.middleware.use ActiveRecord::ConnectionAdapters::ConnectionManagement
-          configuration.middleware.use ActiveRecord::QueryCache
-        end
-      end
-    end
-
-    def initialize_cache
-      unless defined?(RAILS_CACHE)
-        silence_warnings { Object.const_set "RAILS_CACHE", ActiveSupport::Cache.lookup_store(configuration.cache_store) }
-
-        if RAILS_CACHE.respond_to?(:middleware)
-          # Insert middleware to setup and teardown local cache for each request
-          configuration.middleware.insert_after(:"Rack::Lock", RAILS_CACHE.middleware)
-        end
-      end
-    end
-
-    def initialize_framework_caches
-      if configuration.frameworks.include?(:action_controller)
-        ActionController::Base.cache_store ||= RAILS_CACHE
-      end
-    end
-
-    # If the RAILS_DEFAULT_LOGGER constant is already set, this initialization
-    # routine does nothing. If the constant is not set, and Configuration#logger
-    # is not +nil+, this also does nothing. Otherwise, a new logger instance
-    # is created at Configuration#log_path, with a default log level of
-    # Configuration#log_level.
-    #
-    # If the log could not be created, the log will be set to output to
-    # +STDERR+, with a log level of +WARN+.
-    def initialize_logger
-      # if the environment has explicitly defined a logger, use it
-      return if Rails.logger
-
-      unless logger = configuration.logger
-        begin
-          logger = ActiveSupport::BufferedLogger.new(configuration.log_path)
-          logger.level = ActiveSupport::BufferedLogger.const_get(configuration.log_level.to_s.upcase)
-          if configuration.environment == "production"
-            logger.auto_flushing = false
-          end
-        rescue StandardError => e
-          logger = ActiveSupport::BufferedLogger.new(STDERR)
-          logger.level = ActiveSupport::BufferedLogger::WARN
-          logger.warn(
-            "Rails Error: Unable to access log file. Please ensure that #{configuration.log_path} exists and is chmod 0666. " +
-            "The log level has been raised to WARN and the output directed to STDERR until the problem is fixed."
-          )
-        end
-      end
-
-      silence_warnings { Object.const_set "RAILS_DEFAULT_LOGGER", logger }
-    end
-
-    # Sets the logger for Active Record, Action Controller, and Action Mailer
-    # (but only for those frameworks that are to be loaded). If the framework's
-    # logger is already set, it is not changed, otherwise it is set to use
-    # RAILS_DEFAULT_LOGGER.
-    def initialize_framework_logging
-      for framework in ([ :active_record, :action_controller, :action_mailer ] & configuration.frameworks)
-        framework.to_s.camelize.constantize.const_get("Base").logger ||= Rails.logger
-      end
-
-      ActiveSupport::Dependencies.logger ||= Rails.logger
-      Rails.cache.logger ||= Rails.logger
-    end
-
-    # Sets +ActionController::Base#view_paths+ and +ActionMailer::Base#template_root+
-    # (but only for those frameworks that are to be loaded). If the framework's
-    # paths have already been set, it is not changed, otherwise it is
-    # set to use Configuration#view_path.
-    def initialize_framework_views
-      if configuration.frameworks.include?(:action_view)
-        view_path = ActionView::PathSet.type_cast(configuration.view_path)
-        ActionMailer::Base.template_root  = view_path if configuration.frameworks.include?(:action_mailer) && ActionMailer::Base.view_paths.blank?
-        ActionController::Base.view_paths = view_path if configuration.frameworks.include?(:action_controller) && ActionController::Base.view_paths.blank?
-      end
-    end
-
-    # If Action Controller is not one of the loaded frameworks (Configuration#frameworks)
-    # this does nothing. Otherwise, it loads the routing definitions and sets up
-    # loading module used to lazily load controllers (Configuration#controller_paths).
-    def initialize_routing
-      return unless configuration.frameworks.include?(:action_controller)
-
-      ActionController::Routing.controller_paths += configuration.controller_paths
-      ActionController::Routing::Routes.add_configuration_file(configuration.routes_configuration_file)
-      ActionController::Routing::Routes.reload!
-    end
-
-    # Sets the dependency loading mechanism based on the value of
-    # Configuration#cache_classes.
-    def initialize_dependency_mechanism
-      ActiveSupport::Dependencies.mechanism = configuration.cache_classes ? :require : :load
-    end
-
-    # Loads support for "whiny nil" (noisy warnings when methods are invoked
-    # on +nil+ values) if Configuration#whiny_nils is true.
-    def initialize_whiny_nils
-      require('active_support/whiny_nil') if configuration.whiny_nils
-    end
-
-    # Sets the default value for Time.zone, and turns on ActiveRecord::Base#time_zone_aware_attributes.
-    # If assigned value cannot be matched to a TimeZone, an exception will be raised.
-    def initialize_time_zone
-      if configuration.time_zone
-        zone_default = Time.__send__(:get_zone, configuration.time_zone)
-
-        unless zone_default
-          raise \
-            'Value assigned to config.time_zone not recognized.' +
-            'Run "rake -D time" for a list of tasks for finding appropriate time zone names.'
-        end
-
-        Time.zone_default = zone_default
-
-        if configuration.frameworks.include?(:active_record)
-          ActiveRecord::Base.time_zone_aware_attributes = true
-          ActiveRecord::Base.default_timezone = :utc
-        end
-      end
-    end
-
-    # Set the i18n configuration from config.i18n but special-case for the load_path which should be
-    # appended to what's already set instead of overwritten.
-    def initialize_i18n
-      configuration.i18n.each do |setting, value|
-        if setting == :load_path
-          I18n.load_path += value
-        else
-          I18n.send("#{setting}=", value)
-        end
-      end
-    end
-
-    def initialize_metal
-      Rails::Rack::Metal.requested_metals = configuration.metals
-      Rails::Rack::Metal.metal_paths += plugin_loader.engine_metal_paths
-
-      configuration.middleware.insert_before(
-        :"ActionDispatch::ParamsParser",
-        Rails::Rack::Metal, :if => Rails::Rack::Metal.metals.any?)
-    end
-
-    # Initializes framework-specific settings for each of the loaded frameworks
-    # (Configuration#frameworks). The available settings map to the accessors
-    # on each of the corresponding Base classes.
-    def initialize_framework_settings
-      configuration.frameworks.each do |framework|
-        base_class = framework.to_s.camelize.constantize.const_get("Base")
-
-        configuration.send(framework).each do |setting, value|
-          base_class.send("#{setting}=", value)
-        end
-      end
-      configuration.active_support.each do |setting, value|
-        ActiveSupport.send("#{setting}=", value)
-      end
-    end
-
-    # Fires the user-supplied after_initialize block (Configuration#after_initialize)
-    def after_initialize
-      if gems_dependencies_loaded
-        configuration.after_initialize_blocks.each do |block|
-          block.call
-        end
-      end
-    end
-
-    def load_application_initializers
-      if gems_dependencies_loaded
-        Dir["#{configuration.root_path}/config/initializers/**/*.rb"].sort.each do |initializer|
-          load(initializer)
-        end
-      end
-    end
-
-    def prepare_dispatcher
-      return unless configuration.frameworks.include?(:action_controller)
-      require 'dispatcher' unless defined?(::Dispatcher)
-      Dispatcher.define_dispatcher_callbacks(configuration.cache_classes)
-    end
-
-    def disable_dependency_loading
-      if configuration.cache_classes && !configuration.dependency_loading
-        ActiveSupport::Dependencies.unhook!
-      end
-    end
-  end
-
-  # The Configuration class holds all the parameters for the Initializer and
-  # ships with defaults that suites most Rails applications. But it's possible
-  # to overwrite everything. Usually, you'll create an Configuration file
-  # implicitly through the block running on the Initializer, but it's also
-  # possible to create the Configuration instance in advance and pass it in
-  # like this:
-  #
-  #   config = Rails::Configuration.new
-  #   Rails::Initializer.run(:process, config)
-  class Configuration
-    # The application's base directory.
-    attr_reader :root_path
-
-    # A stub for setting options on ActionController::Base.
-    attr_accessor :action_controller
-
-    # A stub for setting options on ActionMailer::Base.
-    attr_accessor :action_mailer
-
-    # A stub for setting options on ActionView::Base.
-    attr_accessor :action_view
-
-    # A stub for setting options on ActiveRecord::Base.
-    attr_accessor :active_record
-
-    # A stub for setting options on ActiveResource::Base.
-    attr_accessor :active_resource
-
-    # A stub for setting options on ActiveSupport.
-    attr_accessor :active_support
-
-    # Whether to preload all frameworks at startup.
-    attr_accessor :preload_frameworks
-
-    # Whether or not classes should be cached (set to false if you want
-    # application classes to be reloaded on each request)
-    attr_accessor :cache_classes
-
-    # The list of paths that should be searched for controllers. (Defaults
-    # to <tt>app/controllers</tt>.)
-    attr_accessor :controller_paths
-
-    # The path to the database configuration file to use. (Defaults to
-    # <tt>config/database.yml</tt>.)
-    attr_accessor :database_configuration_file
-
-    # The path to the routes configuration file to use. (Defaults to
-    # <tt>config/routes.rb</tt>.)
-    attr_accessor :routes_configuration_file
-
-    # The list of rails framework components that should be loaded. (Defaults
-    # to <tt>:active_record</tt>, <tt>:action_controller</tt>,
-    # <tt>:action_view</tt>, <tt>:action_mailer</tt>, and
-    # <tt>:active_resource</tt>).
-    attr_accessor :frameworks
-
-    # An array of additional paths to prepend to the load path. By default,
-    # all +app+, +lib+, +vendor+ and mock paths are included in this list.
-    attr_accessor :load_paths
-
-    # An array of paths from which Rails will automatically load from only once.
-    # All elements of this array must also be in +load_paths+.
-    attr_accessor :load_once_paths
-
-    # An array of paths from which Rails will eager load on boot if cache
-    # classes is enabled. All elements of this array must also be in
-    # +load_paths+.
-    attr_accessor :eager_load_paths
-
-    # The log level to use for the default Rails logger. In production mode,
-    # this defaults to <tt>:info</tt>. In development mode, it defaults to
-    # <tt>:debug</tt>.
-    attr_accessor :log_level
-
-    # The path to the log file to use. Defaults to log/#{environment}.log
-    # (e.g. log/development.log or log/production.log).
-    attr_accessor :log_path
-
-    # The specific logger to use. By default, a logger will be created and
-    # initialized using #log_path and #log_level, but a programmer may
-    # specifically set the logger to use via this accessor and it will be
-    # used directly.
-    attr_accessor :logger
-
-    # The specific cache store to use. By default, the ActiveSupport::Cache::Store will be used.
-    attr_accessor :cache_store
-
-    # The root of the application's views. (Defaults to <tt>app/views</tt>.)
-    attr_accessor :view_path
-
-    # Set to +true+ if you want to be warned (noisily) when you try to invoke
-    # any method of +nil+. Set to +false+ for the standard Ruby behavior.
-    attr_accessor :whiny_nils
-
-    # The list of plugins to load. If this is set to <tt>nil</tt>, all plugins will
-    # be loaded. If this is set to <tt>[]</tt>, no plugins will be loaded. Otherwise,
-    # plugins will be loaded in the order specified.
-    attr_reader :plugins
-    def plugins=(plugins)
-      @plugins = plugins.nil? ? nil : plugins.map { |p| p.to_sym }
-    end
-
-    # The list of metals to load. If this is set to <tt>nil</tt>, all metals will
-    # be loaded in alphabetical order. If this is set to <tt>[]</tt>, no metals will
-    # be loaded. Otherwise metals will be loaded in the order specified
-    attr_accessor :metals
-
-    # The path to the root of the plugins directory. By default, it is in
-    # <tt>vendor/plugins</tt>.
-    attr_accessor :plugin_paths
-
-    # The classes that handle finding the desired plugins that you'd like to load for
-    # your application. By default it is the Rails::Plugin::FileSystemLocator which finds
-    # plugins to load in <tt>vendor/plugins</tt>. You can hook into gem location by subclassing
-    # Rails::Plugin::Locator and adding it onto the list of <tt>plugin_locators</tt>.
-    attr_accessor :plugin_locators
-
-    # The class that handles loading each plugin. Defaults to Rails::Plugin::Loader, but
-    # a sub class would have access to fine grained modification of the loading behavior. See
-    # the implementation of Rails::Plugin::Loader for more details.
-    attr_accessor :plugin_loader
-
-    # Enables or disables plugin reloading.  You can get around this setting per plugin.
-    # If <tt>reload_plugins?</tt> is false, add this to your plugin's <tt>init.rb</tt>
-    # to make it reloadable:
-    #
-    #   ActiveSupport::Dependencies.load_once_paths.delete lib_path
-    #
-    # If <tt>reload_plugins?</tt> is true, add this to your plugin's <tt>init.rb</tt>
-    # to only load it once:
-    #
-    #   ActiveSupport::Dependencies.load_once_paths << lib_path
-    #
-    attr_accessor :reload_plugins
-
-    # Returns true if plugin reloading is enabled.
-    def reload_plugins?
-      !!@reload_plugins
-    end
-
-    # Enables or disables dependency loading during the request cycle. Setting
-    # <tt>dependency_loading</tt> to true will allow new classes to be loaded
-    # during a request. Setting it to false will disable this behavior.
-    #
-    # Those who want to run in a threaded environment should disable this
-    # option and eager load or require all there classes on initialization.
-    #
-    # If <tt>cache_classes</tt> is disabled, dependency loaded will always be
-    # on.
-    attr_accessor :dependency_loading
-
-    # An array of gems that this rails application depends on.  Rails will automatically load
-    # these gems during installation, and allow you to install any missing gems with:
-    #
-    #   rake gems:install
-    #
-    # You can add gems with the #gem method.
-    attr_accessor :gems
-
-    # Adds a single Gem dependency to the rails application. By default, it will require
-    # the library with the same name as the gem. Use :lib to specify a different name.
-    #
-    #   # gem 'aws-s3', '>= 0.4.0'
-    #   # require 'aws/s3'
-    #   config.gem 'aws-s3', :lib => 'aws/s3', :version => '>= 0.4.0', \
-    #     :source => "http://code.whytheluckystiff.net"
-    #
-    # To require a library be installed, but not attempt to load it, pass :lib => false
-    #
-    #   config.gem 'qrp', :version => '0.4.1', :lib => false
-    def gem(name, options = {})
-      @gems << Rails::GemDependency.new(name, options)
-    end
-
-    # Deprecated options:
-    def breakpoint_server(_ = nil)
-      $stderr.puts %(
-      *******************************************************************
-      * config.breakpoint_server has been deprecated and has no effect. *
-      *******************************************************************
-      )
-    end
-    alias_method :breakpoint_server=, :breakpoint_server
-
-    # Sets the default +time_zone+.  Setting this will enable +time_zone+
-    # awareness for Active Record models and set the Active Record default
-    # timezone to <tt>:utc</tt>.
-    attr_accessor :time_zone
-
-    # Accessor for i18n settings.
-    attr_accessor :i18n
-
-    # Create a new Configuration instance, initialized with the default
-    # values.
-    def initialize
-      set_root_path!
-
-      self.frameworks                   = default_frameworks
-      self.load_paths                   = default_load_paths
-      self.load_once_paths              = default_load_once_paths
-      self.eager_load_paths             = default_eager_load_paths
-      self.log_path                     = default_log_path
-      self.log_level                    = default_log_level
-      self.view_path                    = default_view_path
-      self.controller_paths             = default_controller_paths
-      self.preload_frameworks           = default_preload_frameworks
-      self.cache_classes                = default_cache_classes
-      self.dependency_loading           = default_dependency_loading
-      self.whiny_nils                   = default_whiny_nils
-      self.plugins                      = default_plugins
-      self.plugin_paths                 = default_plugin_paths
-      self.plugin_locators              = default_plugin_locators
-      self.plugin_loader                = default_plugin_loader
-      self.database_configuration_file  = default_database_configuration_file
-      self.routes_configuration_file    = default_routes_configuration_file
-      self.gems                         = default_gems
-      self.i18n                         = default_i18n
-
-      for framework in default_frameworks
-        self.send("#{framework}=", Rails::OrderedOptions.new)
-      end
-      self.active_support = Rails::OrderedOptions.new
-    end
-
-    # Set the root_path to RAILS_ROOT and canonicalize it.
-    def set_root_path!
-      raise 'RAILS_ROOT is not set' unless defined?(::RAILS_ROOT)
-      raise 'RAILS_ROOT is not a directory' unless File.directory?(::RAILS_ROOT)
-
-      @root_path =
-        # Pathname is incompatible with Windows, but Windows doesn't have
-        # real symlinks so File.expand_path is safe.
-        if RUBY_PLATFORM =~ /(:?mswin|mingw)/
-          File.expand_path(::RAILS_ROOT)
-
-        # Otherwise use Pathname#realpath which respects symlinks.
-        else
-          Pathname.new(::RAILS_ROOT).realpath.to_s
-        end
-
-      Object.const_set(:RELATIVE_RAILS_ROOT, ::RAILS_ROOT.dup) unless defined?(::RELATIVE_RAILS_ROOT)
-      ::RAILS_ROOT.replace @root_path
-    end
-
-    # Enable threaded mode. Allows concurrent requests to controller actions and
-    # multiple database connections. Also disables automatic dependency loading
-    # after boot, and disables reloading code on every request, as these are
-    # fundamentally incompatible with thread safety.
-    def threadsafe!
-      self.preload_frameworks = true
-      self.cache_classes = true
-      self.dependency_loading = false
-      self.action_controller.allow_concurrency = true
-      self
-    end
-
-    # Loads and returns the contents of the #database_configuration_file. The
-    # contents of the file are processed via ERB before being sent through
-    # YAML::load.
-    def database_configuration
-      require 'erb'
-      YAML::load(ERB.new(IO.read(database_configuration_file)).result)
-    end
-
-    # The path to the current environment's file (<tt>development.rb</tt>, etc.). By
-    # default the file is at <tt>config/environments/#{environment}.rb</tt>.
-    def environment_path
-      "#{root_path}/config/environments/#{environment}.rb"
-    end
-
-    # Return the currently selected environment. By default, it returns the
-    # value of the RAILS_ENV constant.
-    def environment
-      ::RAILS_ENV
-    end
-
-    # Adds a block which will be executed after rails has been fully initialized.
-    # Useful for per-environment configuration which depends on the framework being
-    # fully initialized.
-    def after_initialize(&after_initialize_block)
-      after_initialize_blocks << after_initialize_block if after_initialize_block
-    end
-
-    # Returns the blocks added with Configuration#after_initialize
-    def after_initialize_blocks
-      @after_initialize_blocks ||= []
-    end
-
-    # Add a preparation callback that will run before every request in development
-    # mode, or before the first request in production.
-    #
-    # See Dispatcher#to_prepare.
-    def to_prepare(&callback)
-      after_initialize do
-        require 'dispatcher' unless defined?(::Dispatcher)
-        Dispatcher.to_prepare(&callback)
-      end
-    end
-
-    def middleware
-      require 'action_controller'
-      ActionController::Dispatcher.middleware
-    end
-
-    def builtin_directories
-      # Include builtins only in the development environment.
-      (environment == 'development') ? Dir["#{RAILTIES_PATH}/builtin/*/"] : []
-    end
-
-    def framework_paths
-      paths = %w(railties railties/lib activesupport/lib)
-      paths << 'actionpack/lib' if frameworks.include?(:action_controller) || frameworks.include?(:action_view)
-
-      [:active_record, :action_mailer, :active_resource, :action_web_service].each do |framework|
-        paths << "#{framework.to_s.gsub('_', '')}/lib" if frameworks.include?(framework)
-      end
-
-      paths.map { |dir| "#{framework_root_path}/#{dir}" }.select { |dir| File.directory?(dir) }
-    end
-
-    private
-      def framework_root_path
-        defined?(::RAILS_FRAMEWORK_ROOT) ? ::RAILS_FRAMEWORK_ROOT : "#{root_path}/vendor/rails"
-      end
-
-      def default_frameworks
-        [ :active_record, :action_controller, :action_view, :action_mailer, :active_resource ]
-      end
-
-      def default_load_paths
-        paths = []
-
-        # Add the old mock paths only if the directories exists
-        paths.concat(Dir["#{root_path}/test/mocks/#{environment}"]) if File.exists?("#{root_path}/test/mocks/#{environment}")
-
-        # Add the app's controller directory
-        paths.concat(Dir["#{root_path}/app/controllers/"])
-
-        # Followed by the standard includes.
-        paths.concat %w(
-          app
-          app/metal
-          app/models
-          app/controllers
-          app/helpers
-          app/services
-          lib
-          vendor
-        ).map { |dir| "#{root_path}/#{dir}" }.select { |dir| File.directory?(dir) }
-
-        paths.concat builtin_directories
-      end
-
-      # Doesn't matter since plugins aren't in load_paths yet.
-      def default_load_once_paths
-        []
-      end
-
-      def default_eager_load_paths
-        %w(
-          app/metal
-          app/models
-          app/controllers
-          app/helpers
-        ).map { |dir| "#{root_path}/#{dir}" }.select { |dir| File.directory?(dir) }
-      end
-
-      def default_log_path
-        File.join(root_path, 'log', "#{environment}.log")
-      end
-
-      def default_log_level
-        environment == 'production' ? :info : :debug
-      end
-
-      def default_database_configuration_file
-        File.join(root_path, 'config', 'database.yml')
-      end
-
-      def default_routes_configuration_file
-        File.join(root_path, 'config', 'routes.rb')
-      end
-
-      def default_view_path
-        File.join(root_path, 'app', 'views')
-      end
-
-      def default_controller_paths
-        paths = [File.join(root_path, 'app', 'controllers')]
-        paths.concat builtin_directories
-        paths
-      end
-
-      def default_dependency_loading
-        true
-      end
-
-      def default_preload_frameworks
-        false
-      end
-
-      def default_cache_classes
-        true
-      end
-
-      def default_whiny_nils
-        false
-      end
-
-      def default_plugins
-        nil
-      end
-
-      def default_plugin_paths
-        ["#{root_path}/vendor/plugins"]
-      end
-
-      def default_plugin_locators
-        require 'rails/plugin/locator'
-        locators = []
-        locators << Plugin::GemLocator if defined? Gem
-        locators << Plugin::FileSystemLocator
-      end
-
-      def default_plugin_loader
-        require 'rails/plugin/loader'
-        Plugin::Loader
-      end
-
-      def default_cache_store
-        if File.exist?("#{root_path}/tmp/cache/")
-          [ :file_store, "#{root_path}/tmp/cache/" ]
-        else
-          :memory_store
-        end
-      end
-
-      def default_gems
-        []
-      end
-
-      def default_i18n
-        i18n = Rails::OrderedOptions.new
-        i18n.load_path = []
-
-        if File.exist?(File.join(RAILS_ROOT, 'config', 'locales'))
-          i18n.load_path << Dir[File.join(RAILS_ROOT, 'config', 'locales', '*.{rb,yml}')]
-          i18n.load_path.flatten!
-        end
-
-        i18n
-      end
-  end
-end
-
-# Needs to be duplicated from Active Support since its needed before Active
-# Support is available. Here both Options and Hash are namespaced to prevent
-# conflicts with other implementations AND with the classes residing in Active Support.
-class Rails::OrderedOptions < Array #:nodoc:
-  def []=(key, value)
-    key = key.to_sym
-
-    if pair = find_pair(key)
-      pair.pop
-      pair << value
-    else
-      self << [key, value]
-    end
-  end
-
-  def [](key)
-    pair = find_pair(key.to_sym)
-    pair ? pair.last : nil
-  end
-
-  def method_missing(name, *args)
-    if name.to_s =~ /(.*)=$/
-      self[$1.to_sym] = args.first
-    else
-      self[name]
-    end
-  end
-
-  private
-    def find_pair(key)
-      self.each { |i| return i if i.first == key }
-      return false
-    end
-end
-