#110 Gem Dependencies

最新推荐文章于 2025-11-22 21:35:13 发布

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在Rails2.1中引入了设置Gem依赖的功能，使得指定应用程序所需的Ruby Gem变得更加容易。可以通过配置文件指定Gem及其版本、源等信息。

In Rails 2.1 we now have the ability to set gem dependencies. Now it's easier than ever to specify which ruby gems our rails app relies on.

# config/environment.rb
config.gem "RedCloth", :version => ">= 3.0.4", :source => "http://code.whytheluckystiff.net/"
config.gem 'aws-s3', :lib => 'aws/s3'

# config/environments/test.rb
config.gem 'mocha'
config.gem 'Shoulda'

rake -T gems
rake gems
rake gems:install
rake gems:unpack
rake gems:build
rake gems RAILS_ENV=test