Delegate everything to the generator

railties/lib/rails/generators/rails/app/app_generator.rb

@@ -14,21 +14,11 @@ module Rails
       @options   = generator.options
     end
 
-    private
-      %w(template copy_file directory empty_directory inside
-         empty_directory_with_gitkeep create_file chmod shebang).each do |method|
-        class_eval <<-RUBY, __FILE__, __LINE__ + 1
-          def #{method}(*args, &block)
-            @generator.send(:#{method}, *args, &block)
-          end
-        RUBY
-      end
+  private
 
-      # TODO: Remove once this is fully in place
-      def method_missing(meth, *args, &block)
-        STDERR.puts "Calling #{meth} with #{args.inspect} with #{block}"
-        @generator.send(meth, *args, &block)
-      end
+    def method_missing(meth, *args, &block)
+      @generator.send(meth, *args, &block)
+    end
   end
 
   class AppBuilder