ruby - 在 [] 中找不到 heroku (>= 0) (Gem::LoadError)

Question

呃。我刚刚从 Windows 7 安装转移到 Lion 系统。我正在尝试自学 Ruby on Rails，虽然我喜欢这种语言，但感觉环境脆弱而神秘。我使用相同的命令在两个系统上安装 heroku，但 System X 系统对安装不满意。

在 System X 上我使用了 rvm，这可能是我的问题。

什么控制着 Gem 的安装位置？

如何让 heroku 启动并运行？什么可以防止下一颗 gem 丢失？

$ sudo gem install heroku
...

$ heroku -v

~/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:247:in `to_specs': Could not find heroku (>= 0) amongst [minitest-1.6.0, rake-0.8.7, rdoc-2.5.8] (Gem::LoadError)
    from /Users/aliwells26/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:256:in `to_spec'
    from /Users/aliwells26/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems.rb:1210:in `gem'
    from /Users/aliwells26/.rvm/gems/ruby-1.9.2-p290@rails3tutorial/bin/heroku:18:in `<main>'

$ gem environment
RubyGems Environment:
  - RUBYGEMS VERSION: 1.8.11
  - RUBY VERSION: 1.9.2 (2011-07-09 patchlevel 290) [x86_64-darwin11.2.0]
  - INSTALLATION DIRECTORY: /Users/aliwells26/.rvm/gems/ruby-1.9.2-p290@rails3tutorial
  - RUBY EXECUTABLE: /Users/aliwells26/.rvm/rubies/ruby-1.9.2-p290/bin/ruby
  - EXECUTABLE DIRECTORY: /Users/aliwells26/.rvm/gems/ruby-1.9.2-p290@rails3tutorial/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-darwin-11
  - GEM PATHS:
     - /Users/aliwells26/.rvm/gems/ruby-1.9.2-p290@rails3tutorial
     - /Users/aliwells26/.rvm/gems/ruby-1.9.2-p290@global
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - http://rubygems.org/

$ echo $PATH
/Users/aliwells26/.rvm/gems/ruby-1.9.2-p290@rails3tutorial/bin:/Users/aliwells26/.rvm/bin:/Users/aliwells26/.rvm/gems/ruby-1.9.2-p290/gems/rails-3.1.1/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/usr/local/git/bin:/usr/local/git/bin

Answer 1

这可能会有用。它适用于我的环境。

rvmsudo gem install heroku

参见:Could not find rails (>= 0) amongst [] (Gem::LoadError)