Use rails-3 style generators instead of original kind

Author: alexcrichton

generators/vestal_versions/vestal_versions_generator.rb

@@ -0,0 +1,11 @@
+require 'rails/generators/named_base'
+
+module VestalVersions
+  module Generators
+    module Base
+      def source_root
+        @_vestal_versions_source_root ||= File.expand_path(File.join('../vestal_versions', generator_name, 'templates'), __FILE__)
+      end
+    end
+  end
+end

lib/generators/vestal_versions.rb

@@ -0,0 +1,17 @@
+require 'generators/vestal_versions'
+require 'rails/generators/active_record'
+
+module VestalVersions
+  module Generators
+    class MigrationGenerator < ActiveRecord::Generators::Base
+      extend Base
+
+      argument :name, :type => :string, :default => 'create_vestal_versions'
+
+      def generate_files
+        migration_template 'migration.rb', "db/migrate/#{name}"
+        template 'initializer.rb', 'config/initializers/vestal_versions.rb'
+      end
+    end
+  end
+end

lib/generators/vestal_versions/migration/migration_generator.rb

@@ -3,11 +3,11 @@ def self.up
     create_table :versions do |t|
       t.belongs_to :versioned, :polymorphic => true
       t.belongs_to :user, :polymorphic => true
-      t.string :user_name
-      t.text :modifications
+      t.string  :user_name
+      t.text    :modifications
       t.integer :number
       t.integer :reverted_from
-      t.string :tag
+      t.string  :tag
 
       t.timestamps
     end