Find file
Fetching contributors…
Cannot retrieve contributors at this time
63 lines (35 sloc) 1.24 KB


SeedUpgrade is a seed upgrade plugin for Rails3.

Supported versions

  • Ruby 1.8.7, 1.9.2, 1.9.3

  • Rails 3.0.x, 3.1


In your app's Gemfile, add:

gem "seed_upgrade", :group => [:development]

Then run:

> bundle
> rails generate seed_upgrade:install



> rails destroy seed_upgrade:install

Usage Example

When your generate post model, then hook invoke, create db/seeds/post.rb file

> rails g model post title:string
    invoke  active_record
    create    db/migrate/20111117151257_create_posts.rb
    create    app/models/post.rb
    invoke    test_unit
    create      test/unit/post_test.rb
    create      test/fixtures/posts.yml
    invoke  seed_upgrade
    create    db/seeds/post.rb

If your models has been created, you want generate model seed,very easy also, run

> rails g seed_upgrade:revise_model
    create  db/seeds/post.rb
    create  db/seeds/post_test.rb
    create  db/seeds/user.rb

Then run the following command, the rake is in lib/tasks/application.rake, it auto load db/seeds/post.rb

> bundle exec rake app:dev:reload


Copyright (c) 2011 .