Configure generator when needed rather than during initialization

railties/lib/rails/application.rb

@@ -412,18 +412,6 @@ module Rails
       end
     end
 
-    # 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
-        require '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
-
     # For each framework, search for instrument file with Notifications hooks.
     #
     initializer :load_notifications_hooks do

railties/lib/rails/generators.rb

@@ -72,6 +72,12 @@ module Rails
       }
     }
 
+    def self.configure!(config = Rails.application.config.generators) #:nodoc:
+      no_color! unless config.colorize_logging
+      aliases.deep_merge! config.aliases
+      options.deep_merge! config.options
+    end
+
     def self.aliases #:nodoc:
       @aliases ||= DEFAULT_ALIASES.dup
     end

railties/lib/rails/generators/rails/app/templates/script/destroy.tt

@@ -1,4 +1,5 @@
 <%= shebang %>
-RAILS_GENERATORS = true
 require File.expand_path('../../config/environment',  __FILE__)
+require 'rails/generators'
+Rails::Generators.configure!
 require 'rails/commands/destroy'

railties/lib/rails/generators/rails/app/templates/script/generate.tt

@@ -1,4 +1,5 @@
 <%= shebang %>
-RAILS_GENERATORS = true
 require File.expand_path('../../config/environment',  __FILE__)
+require 'rails/generators'
+Rails::Generators.configure!
 require 'rails/commands/generate'

railties/test/application/generators_test.rb

@@ -1,5 +1,4 @@
 require "isolation/abstract_unit"
-RAILS_GENERATORS = true
 
 module ApplicationTests
   class GeneratorsTest < Test::Unit::TestCase
@@ -47,6 +46,7 @@ module ApplicationTests
       end
       # Initialize the application
       Rails.initialize!
+      Rails::Generators.configure!
 
       assert_equal :rspec, Rails::Generators.options[:rails][:test_framework]
       assert_equal "-w", Rails::Generators.aliases[:rails][:test_framework]
@@ -59,6 +59,7 @@ module ApplicationTests
       end
       # Initialize the application
       Rails.initialize!
+      Rails::Generators.configure!
 
       assert_equal Thor::Base.shell, Thor::Shell::Basic
     end