удается найти обходной путь в 3 этапа:
1) <b>$ rails generate migration acts_as_taggable</b><br /></p>
<pre><code> invoke active_record
create db/migrate/20110710214842_acts_as_taggable.rb
2) Перезаписать с информацией о миграции
$ cat lib / ruby / gems / 1.8 / gems / acts_as_taggable_on_steroids-1.2 / generators / acts_as_taggable_migration / templates /igration.rb> 20110710223844_acts_as_taggable_migration.rb
3) Миграция*
<b>$ rake db:migrate</b>
(in c:/Sites/bon)
== ActsAsTaggable: migrating =================================================
== ActsAsTaggable: migrated (0.0000s) ========================================
== ActsAsTaggableMigration: migrating ========================================
-- create_table(:tags)
-> 0.0020s
-- create_table(:taggings)
-> 0.0010s
-- add_index(:taggings, :tag_id)
-> 0.0010s
-- add_index(:taggings, [:taggable_id, :taggable_type])
-> 0.0010s
== ActsAsTaggableMigration: migrated (0.0140s) ===============================
подтвердить с помощью <b>$ rake db:migration:status</b>