Add a generator (annotate_models:install) to install a Rakefile that…

annotate.gemspec

@@ -26,6 +26,9 @@ Gem::Specification.new do |s|
     "lib/annotate.rb",
     "lib/annotate/annotate_models.rb",
     "lib/annotate/annotate_routes.rb",
+    "lib/generators/annotate_models/install_generator.rb",
+    "lib/generators/annotate_models/templates/auto_annotate_models.rake",
+    "lib/generators/annotate_models/USAGE",
     "lib/tasks/annotate_models.rake",
     "lib/tasks/annotate_routes.rake",
     "spec/annotate/annotate_models_spec.rb",

lib/generators/annotate_models/USAGE

+To copy the Rakefile that automatically annotates models when you do a db:migrate:
+
+    rails generate annotate_models:install
\ No newline at end of file

lib/generators/annotate_models/install_generator.rb

+module AnnotateModels
+  module Generators
+    class InstallGenerator < Rails::Generators::Base
+      desc "Copy annotate_models rakefiles for automatic annotation"
+      source_root File.expand_path('../templates', __FILE__)
+
+      # copy rake tasks
+      def copy_tasks
+        template "auto_annotate_models.rake", "lib/tasks/auto_annotate_models.rake"
+      end
+
+    end
+  end
+end
\ No newline at end of file

lib/generators/annotate_models/templates/auto_annotate_models.rake

+# This file was derived from a Rakefile described in this blog post:
+# http://talklikeaduck.denhaven2.com/2011/01/29/automatic-annotation-with-rails-3-with-the-annotate-gem
+# Position in class/fixture is either 'before' or 'after'
+
+namespace :db do
+  task :migrate do
+    unless Rails.env.production?
+      require "annotate/annotate_models"
+      AnnotateModels.do_annotations(:position_in_class => 'after', :position_in_fixture => 'after')
+    end
+  end
+
+  namespace :migrate do
+    [:up, :down, :reset, :redo].each do |t|
+      task t do
+        unless Rails.env.production?
+          require "annotate/annotate_models"
+          AnnotateModels.do_annotations(:position_in_class => 'after', :position_in_fixture => 'after')
+        end
+      end
+    end
+  end
+end