我可以很好地安装berkshelf:
$ gem install berkshelf
Successfully installed berkshelf-3.2.0
Parsing documentation for berkshelf-3.2.0
Done installing documentation for berkshelf after 1 seconds
1 gem installed
但它并没有真正影响我的行为:
$ berks version
Berkshelf (2.0.18)
这看起来很正常:
$ which berks
/home/rubyUser/.rvm/gems/ruby-2.1.4/bin/berks
我在 debian stable (wheezy) 上使用 ruby 2.1.4:
$ rvm list
rvm rubies
ruby-1.9.3-p550 [ x86_64 ]
=* ruby-2.1.4 [ x86_64 ]
我认为我的路径是正确的:
$ echo $PATH
/home/rubyUser/.rvm/gems/ruby-2.1.4/bin:/home/rubyUser/.rvm/gems/ruby-2.1.4@global/bin:/home/rubyUser/.rvm/rubies/ruby-2.1.4/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/home/rubyUser/.rvm/bin:/home/rubyUser/.rvm/bin
chefdk 可能会以某种方式干扰:
$ whereis berks
berks: /usr/bin/berks /usr/bin/X11/berks /opt/chefdk/bin/berk
但是提供调用 berks 的完整路径不会影响版本。查看提供的berkswhich
表明它只是从其他地方调用宝石,我如何追查它的来源?
$ cat `which berks`
#!/usr/bin/env ruby_executable_hooks
#
# This file was generated by RubyGems.
#
# The application 'berkshelf' is installed as part of a gem, and
# this file is here to facilitate running it.
#
require 'rubygems'
version = ">= 0"
if ARGV.first
str = ARGV.first
str = str.dup.force_encoding("BINARY") if str.respond_to? :force_encoding
if str =~ /\A_(.*)_\z/ and Gem::Version.correct?($1) then
version = $1
ARGV.shift
end
end
gem 'berkshelf', version
load Gem.bin_path('berkshelf', 'berks', version)