script/runner should require environment

railties/lib/rails/commands/runner.rb

@@ -36,8 +36,6 @@
 ENV["RAILS_ENV"] = options[:environment]
 RAILS_ENV.replace(options[:environment]) if defined?(RAILS_ENV)
 
-Rails.initialize!
-
 begin
   if code_or_file.nil?
     $stderr.puts "Run '#{$0} -h' for help."

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

 <%= shebang %>
-require File.expand_path('../../config/application',  __FILE__)
+require File.expand_path('../../../config/environment',  __FILE__)
 require 'rails/commands/runner'