i can haz railz 3

vendor/plugins/rails_upgrade/lib/tasks/rails_upgrade_tasks.rake

@@ -0,0 +1,78 @@
+$:.unshift(File.dirname(__FILE__) + "/../../lib")
+require 'routes_upgrader'
+require 'gemfile_generator'
+require 'application_checker'
+require 'new_configuration_generator'
+
+require 'fileutils'
+
+namespace :rails do
+  namespace :upgrade do
+    desc "Runs a battery of checks on your Rails 2.x app and generates a report on required upgrades for Rails 3"
+    task :check do
+      checker = Rails::Upgrading::ApplicationChecker.new
+      checker.run
+    end
+  
+    desc "Generates a Gemfile for your Rails 3 app out of your config.gem directives"
+    task :gems do
+      generator = Rails::Upgrading::GemfileGenerator.new
+      new_gemfile = generator.generate_new_gemfile
+    
+      puts new_gemfile
+    end
+  
+    desc "Create a new, upgraded route file from your current routes.rb"
+    task :routes do
+      upgrader = Rails::Upgrading::RoutesUpgrader.new
+      new_routes = upgrader.generate_new_routes
+    
+      puts new_routes
+    end
+    
+    desc "Extracts your configuration code so you can create a new config/application.rb"
+    task :configuration do
+      upgrader = Rails::Upgrading::NewConfigurationGenerator.new
+      new_config = upgrader.generate_new_application_rb
+      
+      puts new_config
+    end
+    
+    CLEAR      = "\e[0m"
+    CYAN       = "\e[36m"
+    WHITE      = "\e[37m"
+    
+    desc "Backs up your likely modified files so you can run the Rails 3 generator on your app with little risk"
+    task :backup do
+      files = [".gitignore",
+      "app/controllers/application_controller.rb",
+      "app/helpers/application_helper.rb",
+      "config/routes.rb",
+      "config/environment.rb",
+      "config/environments/development.rb",
+      "config/environments/production.rb",
+      "config/environments/staging.rb",
+      "config/database.yml",
+      "config.ru",
+      "doc/README_FOR_APP",
+      "test/test_helper.rb"]
+      
+      puts
+      files.each do |f|
+        if File.exist?(f)
+          puts "#{CYAN}* #{CLEAR}backing up #{WHITE}#{f}#{CLEAR} to #{WHITE}#{f}.rails2#{CLEAR}"
+          FileUtils.cp(f, "#{f}.rails2")
+        end
+      end
+      
+      puts
+      puts "This is a list of the files analyzed and backed up (if they existed);\nyou will probably not want the generator to replace them since\nyou probably modified them (but now they're safe if you accidentally do!)."
+      puts
+      
+      files.each do |f|
+        puts "#{CYAN}- #{CLEAR}#{f}"
+      end
+      puts
+    end
+  end
+end