如何在rails 3中安装插件,获取命令不是模块(TypeError)

AnA*_*ice 5 ruby-on-rails ruby-on-rails-3

我正在尝试将其安装为插件:

https://github.com/phatworx/rack_ip_restrictor
Run Code Online (Sandbox Code Playgroud)

所以我跑:

$ rails plugin install git://github.com/phatworx/rack_ip_restrictor.git
Run Code Online (Sandbox Code Playgroud)

这个错误:

/Users/userme/.rvm/gems/ruby-1.9.2-p180@andyw/gems/railties-3.0.5/lib/rails/commands/plugin.rb:277:in `<top (required)>': Commands is not a module (TypeError)
    from /Users/userme/.rvm/gems/ruby-1.9.2-p180@andyw/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:239:in `require'
    from /Users/userme/.rvm/gems/ruby-1.9.2-p180@andyw/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:239:in `block in require'
    from /Users/userme/.rvm/gems/ruby-1.9.2-p180@andyw/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:225:in `block in load_dependency'
    from /Users/userme/.rvm/gems/ruby-1.9.2-p180@andyw/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:596:in `new_constants_in'
    from /Users/userme/.rvm/gems/ruby-1.9.2-p180@andyw/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:225:in `load_dependency'
    from /Users/userme/.rvm/gems/ruby-1.9.2-p180@andyw/gems/activesupport-3.0.5/lib/active_support/dependencies.rb:239:in `require'
    from /Users/userme/.rvm/gems/ruby-1.9.2-p180@andyw/gems/railties-3.0.5/lib/rails/commands.rb:17:in `<top (required)>'
    from script/rails:6:in `require'
    from script/rails:6:in `<main>'
Run Code Online (Sandbox Code Playgroud)

建议,想法?谢谢