From 9a3bd4770a5b9637d0996aef8fb6825d36eec21e Mon Sep 17 00:00:00 2001
From: Andy Lindeman <alindeman@gmail.com>
Date: Fri, 1 Jun 2012 10:04:15 -0400
Subject: [PATCH] `rails generate` runs correctly under Rails 3.0.x

* Rails 3.0.x does not yield `app` to `generator` blocks in railties.
  Picks a hopefully reasonable default `Rails.application` in that case.
* Fixes #71
---
 lib/active_model_serializers.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/active_model_serializers.rb b/lib/active_model_serializers.rb
index e070f79f..6f0e89e7 100644
--- a/lib/active_model_serializers.rb
+++ b/lib/active_model_serializers.rb
@@ -7,6 +7,8 @@ if defined?(Rails)
   module ActiveModel
     class Railtie < Rails::Railtie
       generators do |app|
+        app ||= Rails.application # Rails 3.0.x does not yield `app`
+
         Rails::Generators.configure!(app.config.generators)
         require "generators/resource_override"
       end