lenny · January 6, 2010 17:38
diff --git a/app_config.rb b/app_config.rb
 class AppConfig
  class << self
    attr_accessor :site_name
    attr_accessor :payment_gateway_mode
    ...
  end
 end
diff --git a/development.rb b/development.rb
 config.after_initialize do
  AppConfig.payment_gateway_mode = :test
 end
diff --git a/whatever.rb b/whatever.rb
 ...

 require 'app_config'

 AppConfig.site_name = 'My Site'
 ..
	class AppConfig
	class << self
	attr_accessor :site_name
	attr_accessor :payment_gateway_mode
	...
	end
	end
	config.after_initialize do
	AppConfig.payment_gateway_mode = :test
	end