class Object

def namespace(name, &block)
  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))
    new_klass = klass.const_get(const_name)
    Thor::RakeCompat.rake_classes << new_klass
  end
  rake_namespace(name, &block)
  Thor::RakeCompat.rake_classes.pop
end

def task(*args, &block)
  task = rake_task(*args, &block)
  if klass = Thor::RakeCompat.rake_classes.last
    non_namespaced_name = task.name.split(':').last
    description = non_namespaced_name
    description << task.arg_names.map{ |n| n.to_s.upcase }.join(' ')
    description.strip!
    klass.desc description, task.comment || non_namespaced_name
    klass.class_eval <<-METHOD
      def #{non_namespaced_name}(#{task.arg_names.join(', ')})
        Rake::Task[#{task.name.to_sym.inspect}].invoke(#{task.arg_names.join(', ')})
      end
    METHOD
  end
  task
end