class Rails::Generators::Base

def self.default_for_option(config, name, options, default)
  if generator_name and c = config[generator_name.to_sym] and c.key?(name)
    c[name]
  elsif base_name and c = config[base_name.to_sym] and c.key?(name)
    c[name]
  elsif config[:rails].key?(name)
    config[:rails][name]
  else
    default
  end
end