Rails 3.1 engine

rails3.1 engine

➜ (ruby-1.9.2-p180@rails3-pre) rails git:(master) be bin/rails plugin new ../first_engine --mountable
      create  
      create  README.rdoc
      create  Rakefile
      create  first_engine.gemspec
      create  MIT-LICENSE
      create  .gitignore
      create  Gemfile
      create  app
      create  app/controllers/first_engine/application_controller.rb
      create  app/helpers/first_engine/application_helper.rb
      create  app/models
      create  app/views/layouts/first_engine/application.html.erb
      create  app/assets/images
      create  app/assets/images/.gitkeep
      create  config/routes.rb
      create  lib/first_engine.rb
      create  lib/tasks/first_engine_tasks.rake
      create  lib/first_engine/engine.rb
      create  app/assets/stylesheets/application.css
      create  app/assets/javascripts/application.js
      create  script
      create  script/rails
      create  test/test_helper.rb
      create  test/first_engine_test.rb
      append  Rakefile
      create  test/integration/navigation_test.rb
  vendor_app  test/dummy
         run  bundle install
Using rake (0.9.0) 
Using RedCloth (4.2.7) 
Using i18n (0.6.0) 
Using multi_json (1.0.2) 
Using activesupport (3.1.0.rc1) 
Using bcrypt-ruby (2.1.4) 
Using builder (3.0.0) 
Using activemodel (3.1.0.rc1) 
Using erubis (2.7.0) 
Using rack (1.3.0) 
Using rack-cache (1.0.2) 
Using rack-mount (0.8.1) 
Using rack-test (0.6.0) 
Using hike (1.0.0) 
Using tilt (1.3.1) 
Using sprockets (2.0.0.beta.8) 
Using tzinfo (0.3.27) 
Using actionpack (3.1.0.rc1) 
Using mime-types (1.16) 
Using polyglot (0.3.1) 
Using treetop (1.4.9) 
Using mail (2.3.0) 
Using actionmailer (3.1.0.rc1) 
Using arel (2.1.1) 
Using activerecord (3.1.0.rc1) 
Using activeresource (3.1.0.rc1) 
Using archive-tar-minitar (0.5.2) 
Using bundler (1.0.10) 
Using coffee-script-source (1.1.1) 
Using execjs (1.0.0) 
Using coffee-script (2.2.0) 
Using columnize (0.3.2) 
Using rdoc (3.6.1) 
Using horo (1.0.3) 
Using json (1.5.1) 
Using ruby_core_source (0.1.5) 
Using linecache19 (0.5.12) 
Using memcache-client (1.8.5) 
Using mocha (0.9.12) 
Using mysql (2.8.1) 
Using mysql2 (0.3.2) 
Using nokogiri (1.4.4) 
Using pg (0.11.0) 
Using rack-ssl (1.3.2) 
Using thor (0.14.6) 
Using railties (3.1.0.rc1) 
Using rails (3.1.0.rc1) 
Using ruby-debug-base19 (0.11.25) 
Using ruby-debug19 (0.11.6) 
Using ruby-prof (0.10.7) 
Using sass (3.1.1) 
Using sqlite3 (1.3.3) 
Using uglifier (0.5.4) 
Using yajl-ruby (0.8.2) 
Updating .gem files in vendor/cache
  * activesupport-3.1.0.rc1.gem
  * activemodel-3.1.0.rc1.gem
  * actionpack-3.1.0.rc1.gem
  * actionmailer-3.1.0.rc1.gem
  * activerecord-3.1.0.rc1.gem
  * activeresource-3.1.0.rc1.gem
  * railties-3.1.0.rc1.gem
  * rails-3.1.0.rc1.gem
  * uglifier-0.5.4.gem
Removing outdated .gem files from vendor/cache
  * uglifier-0.5.4.gem
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.

➜ (ruby-1.9.2-p180@rails3-pre) rails git:(master) ..

➜ (ruby-1.9.2-p180@rails3-pre) codes  cd first_engine 

➜ (ruby-1.9.2-p180@rails3-pre) first_engine  rails g scaffold project title:string
      invoke  active_record
      create    db/migrate/20110525091105_create_first_engine_projects.rb
      create    app/models/first_engine/project.rb
      invoke    test_unit
      create      test/unit/first_engine/project_test.rb
      create      test/fixtures/first_engine/projects.yml
       route  resources :projects
      invoke  scaffold_controller
      create    app/controllers/first_engine/projects_controller.rb
      invoke    erb
      create      app/views/first_engine/projects
      create      app/views/first_engine/projects/index.html.erb
      create      app/views/first_engine/projects/edit.html.erb
      create      app/views/first_engine/projects/show.html.erb
      create      app/views/first_engine/projects/new.html.erb
      create      app/views/first_engine/projects/_form.html.erb
      invoke    test_unit
      create      test/functional/first_engine/projects_controller_test.rb
      invoke    helper
      create      app/helpers/first_engine/projects_helper.rb
      invoke      test_unit
      create        test/unit/helpers/first_engine/projects_helper_test.rb
      create  app/assets/stylesheets/scaffold.css
      invoke  assets
      create    app/assets/javascripts/first_engine/projects.js
      create    app/assets/stylesheets/first_engine/projects.css

➜ (ruby-1.9.2-p180@rails3-pre) first_engine  bundle exec rake db:migrate --trace
rake/rdoctask is deprecated.  Use rdoc/task instead (in RDoc 2.4.2+)
** Invoke db:migrate (first_time)
rake aborted!
Don't know how to build task 'app:db:migrate'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task_manager.rb:49:in `[]'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task.rb:60:in `lookup_prerequisite'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task.rb:56:in `block in prerequisite_tasks'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task.rb:56:in `collect'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task.rb:56:in `prerequisite_tasks'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task.rb:174:in `invoke_prerequisites'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task.rb:157:in `block in invoke_with_call_chain'
/Users/millisami/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task.rb:151:in `invoke_with_call_chain'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/task.rb:144:in `invoke'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:112:in `invoke_task'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:90:in `block (2 levels) in top_level'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:90:in `each'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:90:in `block in top_level'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:129:in `standard_exception_handling'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:84:in `top_level'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:62:in `block in run'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:129:in `standard_exception_handling'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/lib/rake/application.rb:59:in `run'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/gems/rake-0.9.0/bin/rake:31:in `<top (required)>'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/bin/rake:19:in `load'
/Users/millisami/.rvm/gems/ruby-1.9.2-p180@rails3--pre/bin/rake:19:in `<main>'
Tasks: TOP => db:migrate
➜ (ruby-1.9.2-p180@rails3-pre) first_engine