-> % brew versions ruby
Warning: brew-versions is unsupported and may be removed soon.
Please use the homebrew-versions tap instead:
  https://github.com/Homebrew/homebrew-versions
2.1.0    git checkout 4dbaeae Library/Formula/ruby.rb
2.0.0-p353 git checkout ee32d72 Library/Formula/ruby.rb
2.0.0-p247 git checkout 33cb28e Library/Formula/ruby.rb
2.0.0-p195 git checkout dad5917 Library/Formula/ruby.rb
2.0.0-p0 git checkout 3085c40 Library/Formula/ruby.rb
1.9.3-p392 git checkout 6c26d0a Library/Formula/ruby.rb
1.9.3-p385 git checkout e5b9678 Library/Formula/ruby.rb
1.9.3-p374 git checkout b0f8027 Library/Formula/ruby.rb
1.9.3-p362 git checkout 62b8c63 Library/Formula/ruby.rb
1.9.3-p327 git checkout 1734e5b Library/Formula/ruby.rb
1.9.3-p286 git checkout 1b726f7 Library/Formula/ruby.rb
1.9.3-p194 git checkout 9c6ea53 Library/Formula/ruby.rb
1.9.3-p125 git checkout bf3dfa9 Library/Formula/ruby.rb
1.9.3-p0 git checkout 7338ed6 Library/Formula/ruby.rb
1.9.2-p290 git checkout b6aa338 Library/Formula/ruby.rb
1.9.2-p180 git checkout 83ed494 Library/Formula/ruby.rb
1.9.2-p136 git checkout f282737 Library/Formula/ruby.rb
1.9.2-p0 git checkout 773915d Library/Formula/ruby.rb
1.9.1-p378 git checkout d0efd9e Library/Formula/ruby.rb
1.9.1-p243 git checkout d0ed812 Library/Formula/ruby.rb

#6 楼 @shooter 302.。。怎么不常见了…… 问题是 302 到哪儿了？