Detail loading process.

init.rb

@@ -1,9 +1,2 @@
+# We need to load devise here to ensure routes extensions are loaded.
 require 'devise'
-
-# Configures a preparation callback to include devise authenticable module and
-# view helpers (engines don't load helpers by default)
-#config.to_prepare do
-#  ActionController::Base.send :include, Devise::Controllers::Authenticable
-#  ActionView::Base.send :include, DeviseHelper
-##  ApplicationController.helper(DeviseHelper)
-#end

lib/devise.rb

@@ -1,10 +1,3 @@
-begin
-  require 'warden'
-rescue
-  gem 'warden'
-  require 'warden'
-end
-
 module Devise
   ALL = [:authenticable, :confirmable, :recoverable, :rememberable, :validatable].freeze
 
@@ -38,13 +31,18 @@ module Devise
   end
 end
 
-require 'devise/warden'
-require 'devise/routes'
-
-# Ensure to include Devise modules only after Rails initialization.
-# This way application should have already defined Devise mappings and we are
-# able to create default filters.
+# Devise initialization process goes like this:
+#
+#   1) Include Devise::ActiveRecord and Devise::Migrations
+#   2) Load and config warden
+#   3) Add routes extensions
+#   4) Load routes definitions
+#   5) Include filters and helpers in controllers and views
+#
 Rails.configuration.after_initialize do
   ActiveRecord::Base.extend Devise::ActiveRecord
   ActiveRecord::ConnectionAdapters::TableDefinition.send :include, Devise::Migrations
 end
+
+require 'devise/warden'
+require 'devise/routes'

lib/devise/warden.rb

@@ -1,5 +1,11 @@
-# Taken from RailsWarden, thanks to Hassox.
-# http://github.com/hassox/rails_warden
+begin
+  require 'warden'
+rescue
+  gem 'warden'
+  require 'warden'
+end
+
+# Taken from RailsWarden, thanks to Hassox. http://github.com/hassox/rails_warden
 module Warden::Mixins::Common
   # Gets the rails request object by default if it's available
   def request