Bundler for Rails 2.3.X

bundler_for_rails2.diff

diff --git a/config/boot.rb b/config/boot.rb
index dd5e3b6..9ee835a 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -106,5 +106,19 @@ module Rails
   end
 end
 
+class Rails::Boot
+  def run
+    load_initializer
+
+    Rails::Initializer.class_eval do
+      def load_gems
+        @bundler_loaded ||= Bundler.require :default, Rails.env
+      end
+    end
+
+    Rails::Initializer.run(:set_load_path)
+  end
+end
+
 # All that for this:
 Rails.boot!
diff --git a/config/preinitializer.rb b/config/preinitializer.rb
new file mode 100644
index 0000000..3ad0241
--- /dev/null
+++ b/config/preinitializer.rb
@@ -0,0 +1,20 @@
+begin
+  require "rubygems"
+  require "bundler"
+rescue LoadError
+  raise "Could not load the bundler gem. Install it with `gem install bundler`."
+end
+
+if Gem::Version.new(Bundler::VERSION) <= Gem::Version.new("0.9.24")
+  raise RuntimeError, "Your bundler version is too old for Rails 2.3." +
+   "Run `gem install bundler` to upgrade."
+end
+
+begin
+  # Set up load paths for all bundled gems
+  ENV["BUNDLE_GEMFILE"] = File.expand_path("../../Gemfile", __FILE__)
+  Bundler.setup
+rescue Bundler::GemNotFound
+  raise RuntimeError, "Bundler couldn't find some gems." +
+    "Did you run `bundle install`?"
+end