commit 11c8748933cc611972f32831657ab99e6701bd93
Author: Yehuda Katz <wycats@gmail.com>
Date:   Sat Jul 2 20:50:39 2011 -0700

    Upgrade Rake compatibility for the more constrained Rake 0.9

diff --git a/lib/thor/rake_compat.rb b/lib/thor/rake_compat.rb
index 0d0757f..b3a8beb 100644
--- a/lib/thor/rake_compat.rb
+++ b/lib/thor/rake_compat.rb
@@ -1,4 +1,5 @@
 require 'rake'
+require 'rake/dsl_definition'
 
 class Thor
   # Adds a compatibility layer to your Thor classes which allows you to use
@@ -16,6 +17,8 @@ class Thor
   #   end
   #
   module RakeCompat
+    include Rake::DSL if defined?(Rake::DSL)
+
     def self.rake_classes
       @rake_classes ||= []
     end
@@ -29,12 +32,12 @@ class Thor
   end
 end
 
-class Object #:nodoc:
-  alias :rake_task :task
-  alias :rake_namespace :namespace
+# override task on (main), for compatibility with Rake 0.9
+self.instance_eval do
+  alias rake_namespace namespace
 
-  def task(*args, &block)
-    task = rake_task(*args, &block)
+  def task(*)
+    task = super
 
     if klass = Thor::RakeCompat.rake_classes.last
       non_namespaced_name = task.name.split(':').last
@@ -52,7 +55,7 @@ class Object #:nodoc:
     task
   end
 
-  def namespace(name, &block)
+  def namespace(name)
     if klass = Thor::RakeCompat.rake_classes.last
       const_name = Thor::Util.camel_case(name.to_s).to_sym
       klass.const_set(const_name, Class.new(Thor))
@@ -60,7 +63,8 @@ class Object #:nodoc:
       Thor::RakeCompat.rake_classes << new_klass
     end
 
-    rake_namespace(name, &block)
+    super
     Thor::RakeCompat.rake_classes.pop
   end
 end
+
diff --git a/lib/thor/task.rb b/lib/thor/task.rb
index 6db3b60..8dcff53 100644
--- a/lib/thor/task.rb
+++ b/lib/thor/task.rb
@@ -104,7 +104,11 @@ class Thor
 
     def run(instance, args=[])
       if (instance.methods & [name.to_s, name.to_sym]).empty?
-        super
+        if ((instance.protected_methods + instance.public_methods) & ([:method_missing, "method_missing"])).empty?
+          super
+        else
+          instance.send(:method_missing, name.to_sym, *args)
+        end
       else
         instance.class.handle_no_task_error(name)
       end
diff --git a/spec/rake_compat_spec.rb b/spec/rake_compat_spec.rb
index f8d694c..0b642aa 100644
--- a/spec/rake_compat_spec.rb
+++ b/spec/rake_compat_spec.rb
@@ -2,20 +2,24 @@ require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
 require 'thor/rake_compat'
 require 'rake/tasklib'
 
+$main = self
+
 class RakeTask < Rake::TaskLib
   def initialize
     define
   end
 
   def define
-    desc "Say it's cool"
-    task :cool do
-      puts "COOL"
-    end
+    $main.instance_eval do
+      desc "Say it's cool"
+      task :cool do
+        puts "COOL"
+      end
 
-    namespace :hiper_mega do
-      task :super do
-        puts "HIPER MEGA SUPER"
+      namespace :hiper_mega do
+        task :super do
+          puts "HIPER MEGA SUPER"
+        end
       end
     end
   end