嗯,我刚从Windows 7系统转移到了Lion系统。我试图自学Ruby on Rails,虽然我喜欢这门语言,但是环境感觉很脆弱和神秘。我在两个系统上使用相同的命令安装heroku,但是System X系统对此次安装不满意。
在System X上,我使用了rvm,这可能是我的问题所在。
是什么控制着Gems的安装位置?
如何让heroku运行起来?下一个gem会丢失吗?
$ 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
rvm use rails3tutorial
,gem install heroku
,heroku -v
。 - Sahil Muthoorvm
时不要执行sudo gem install
。 - Michael Kohl