use bower-rails

bower-rails-task.sh

# インストール
rake bower:install

# force インストール
rake bower:install:force

# アップデート
rake bower:update

# アップデートと未使用packageの削除
rake bower:update:prune

# package一覧
rake bower:list

# precompile後のpackage内assetsファイルへの相対パスを表示
rake bower:resolve
# Backbone.js 1.1.0
url('public/fonts/aller-light.eot') => backbone/docs/public/fonts/aller-light.eot
url('public/fonts/aller-light.eot?#iefix') => backbone/docs/public/fonts/aller-light.eot?#iefix
url('public/fonts/aller-light.woff') => backbone/docs/public/fonts/aller-light.woff
url('public/fonts/aller-light.ttf') => backbone/docs/public/fonts/aller-light.ttf
url('public/fonts/aller-bold.eot') => backbone/docs/public/fonts/aller-bold.eot
url('public/fonts/aller-bold.eot?#iefix') => backbone/docs/public/fonts/aller-bold.eot?#iefix
url('public/fonts/aller-bold.woff') => backbone/docs/public/fonts/aller-bold.woff
url('public/fonts/aller-bold.ttf') => backbone/docs/public/fonts/aller-bold.ttf
url('public/fonts/novecento-bold.eot') => backbone/docs/public/fonts/novecento-bold.eot
url('public/fonts/novecento-bold.eot?#iefix') => backbone/docs/public/fonts/novecento-bold.eot?#iefix
url('public/fonts/novecento-bold.woff') => backbone/docs/public/fonts/novecento-bold.woff
url('public/fonts/novecento-bold.ttf') => backbone/docs/public/fonts/novecento-bold.ttf
url(destroy.png) => backbone/examples/todos/destroy.png

bower.json

{
  "lib": {
    "name": "bower-rails generated lib assets",
    "dependencies": {
    }
  },
  "vendor": {
    "name": "bower-rails generated vendor assets",
    "dependencies": {
    }
  }
}

Bowerfile

# /vendor/assets/bower_components
asset "backbone"

# overridden assets_path
assets_path "assets/other_javascripts"

# /vendor/assets/other_javascripts
asset "backbone"

# /vendor/assets/javascripts/bower_components
group :vendor, :assets_path => "assets/javascripts"  do
  asset "backbone", "1.1"
end

Gemfile

# add bower-rails
gem "bower-rails", "~> 0.6.0"

generate.sh

rails g bower_rails:initialize
create  bower.json