我安装了新的稳定的Ruby版本,当我开始安装gem时,我发现在成功安装gem之后,它们的路径没有添加到Ruby加载路径中 .
这个问题的原因是什么?我怎样才能实现它?
谢谢 .
这是我的环境:
$ lsb_release -d
Description: Debian GNU/Linux 5.0.6 (lenny)
$ cat ~/.gemrc
gem: --no-ri --no-rdoc
gemhome: /home/<username>/.gem
gempath:
- /home/<username>/.gem
$ gem environment
RubyGems Environment:
- RUBYGEMS VERSION: 1.3.7
- RUBY VERSION: 1.9.2 (2010-08-18 patchlevel 0) [i686-linux]
- INSTALLATION DIRECTORY: /home/<username>/.gem
- RUBY EXECUTABLE: /usr/local/bin/ruby
- EXECUTABLE DIRECTORY: /home/<username>/.gem/bin
- RUBYGEMS PLATFORMS:
- ruby
- x86-linux
- GEM PATHS:
- /home/<username>/.gem
- GEM CONFIGURATION:
- :update_sources => true
- :verbose => true
- :benchmark => false
- :backtrace => false
- :bulk_threshold => 1000
- "gem" => "--no-ri --no-rdoc"
- "gemhome" => "/home/<username>/.gem"
- "gempath" => ["/home/<username>/.gem"]
- REMOTE SOURCES:
- http://rubygems.org/
$ gem list
*** LOCAL GEMS ***
rack (1.2.1)
sqlite3-ruby (1.3.1)
$ ruby -e "puts $:"
# There's neither /home/<username>/.gem/gems/rack-1.2.1/lib
# nor home/<username>/.gem/gems/sqlite3-ruby-1.3.1/lib here.
/usr/local/lib/ruby/site_ruby/1.9.1
/usr/local/lib/ruby/site_ruby/1.9.1/i686-linux
/usr/local/lib/ruby/site_ruby
/usr/local/lib/ruby/vendor_ruby/1.9.1
/usr/local/lib/ruby/vendor_ruby/1.9.1/i686-linux
/usr/local/lib/ruby/vendor_ruby
/usr/local/lib/ruby/1.9.1
/usr/local/lib/ruby/1.9.1/i686-linux
Updated
我不能要求任何已安装的宝石,因为它们不在$:中 .
$ ruby -e "require 'rack'; puts $:"
:29:in `require': no such file to load -- rack (LoadError)
from :29:in `require'
from -e:1:in `'
但 .
$ ruby -e "$: << '/home/<username>/.gem/gems/rack-1.2.1/lib'; require 'rack'; puts $:"
/usr/local/lib/ruby/site_ruby/1.9.1
/usr/local/lib/ruby/site_ruby/1.9.1/i686-linux
/usr/local/lib/ruby/site_ruby
/usr/local/lib/ruby/vendor_ruby/1.9.1
/usr/local/lib/ruby/vendor_ruby/1.9.1/i686-linux
/usr/local/lib/ruby/vendor_ruby
/usr/local/lib/ruby/1.9.1
/usr/local/lib/ruby/1.9.1/i686-linux
/home/<username>/.gem/gems/rack-1.2.1/lib # Here it is!
它只适用于这种方式:(
2 回答
你尚未加载任何宝石:
事情已经改变为1.9.2
http://wiki.github.com/rdp/ruby_tutorials_core/ruby-talk-faq#gem_loading_fails_191
它现在基本上为你自动加载rubygems,而不是预先填充加载路径 .