Improved code loading, incl. support for older versions of Rake.

Gemfile

 source :rubygems
 
-gem "rake"
+gem 'rake', '>= 0.8.7', :require => false
+gem 'activesupport', '>= 2.3.0', :require => false
 
 group :development do
   gem 'mg'
-  gem 'rspec'
-  gem 'wrong', '>=0.6.2'
-  gem 'files', '>=0.2.1'
   platforms :ruby do
     gem 'yard', :require => false
   end
 end
 
-gem 'activesupport', '>= 3.0.0', :require => nil
+group :development, :test do
+  gem 'rspec', :require => false
+  platforms :ruby do
+    gem 'pry', :require => false
+    gem 'pry-coolline', :require => false
+  end
+end
+
+group :test do
+  gem 'wrong', '>=0.6.2', :require => false
+  gem 'files', '>=0.2.1', :require => false
+end

Rakefile

-here = File.dirname __FILE__
-
 # Note : this causes annoying psych warnings under Ruby 1.9.2-p180; to fix, upgrade to 1.9.3
 begin
   require 'bundler'
@@ -10,11 +8,19 @@ rescue Bundler::BundlerError => e
   exit e.status_code
 end
 
-require 'rake/dsl_definition'
+using_dsl = false
+begin
+  require 'rake/dsl_definition'
+  using_dsl = true
+rescue Exception => e
+  # We might just be on an old version of Rake...
+end
 require 'rake'
-include Rake::DSL
+if(using_dsl)
+  include Rake::DSL
+end
 
-require "#{here}/lib/annotate"
+require "./lib/annotate"
 
 # want other tests/tasks run by default? Add them to the list
 task :default => [:spec]

bin/annotate

 #!/usr/bin/env ruby
+require 'rubygems'
+begin
+  require 'bundler'
+  Bundler.setup
+rescue Exception => e
+end
+
+here = File.expand_path(File.dirname __FILE__)
+$:<< "#{here}/../lib"
+
 require 'optparse'
-require 'rake/dsl_definition'
-require 'rake'
 begin
-  require "annotate"
-rescue LoadError
-  here = File.expand_path(File.dirname __FILE__)
-  $:<< "#{here}/../lib"
-  require "annotate"
+  require 'rake/dsl_definition'
+rescue Exception => e
+  # We might just be on an old version of Rake...
 end
+require 'rake'
+require 'annotate'
 
 task = :annotate_models
 

lib/annotate.rb

-here = File.dirname __FILE__
-require "#{here}/annotate/version"
+$:.unshift(File.dirname(__FILE__))
+require 'annotate/version'
 
 module Annotate
   def self.load_tasks

spec/spec_helper.rb

-begin
-  require 'rspec'
-rescue LoadError
-  require 'rubygems'
-  gem 'rspec'
-  require 'rspec'
-end
+require 'rubygems'
+require 'bundler'
+Bundler.setup
 
-require "wrong/adapters/rspec"
+require 'rspec'
+require 'wrong/adapters/rspec'
+
+$:.unshift(File.join(File.dirname(__FILE__), '../lib'))
+$:.unshift(File.dirname(__FILE__))
 
-$:.unshift(File.dirname(__FILE__) + '/../lib')
 require 'active_support'
 require 'active_support/core_ext/string/inflections'
 require 'annotate'