【问题标题】:How to set correct Ruby version in gem environment如何在 gem 环境中设置正确的 Ruby 版本
【发布时间】:2018-02-02 04:48:59
【问题描述】:

注意:这个问题与How can I get bundler to use the Ruby version set by chruby and .ruby-version?有关。

使用 chruby 我在 macOS 上安装了 Ruby 1.8.7:

$ ruby -v
ruby 1.8.7 (2013-06-27 patchlevel 374) [i686-darwin17.4.0]

另外,我使用gem update --system 1.8.30 安装了我希望兼容的特定版本的 RubyGems。这似乎已正确安装:

$ gem --version
1.8.30

但是,我的 RubyGems 环境显示的 Ruby (2.5.0) 版本不正确:

$ gem env
RubyGems Environment:
  - RUBYGEMS VERSION: 1.8.30
  - RUBY VERSION: 2.5.0 (2017-12-25 patchlevel 0) [x86_64-darwin17]
  - INSTALLATION DIRECTORY: /Users/keithpitty/.gem/ruby/1.8.7
  - RUBY EXECUTABLE: /usr/local/opt/ruby/bin/ruby
  - EXECUTABLE DIRECTORY: /Users/keithpitty/.gem/ruby/1.8.7/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-darwin-17
  - GEM PATHS:
     - /Users/keithpitty/.gem/ruby/1.8.7
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - http://rubygems.org/

如何修复 RubyGems 环境以使用 chruby 设置的 Ruby 版本?

【问题讨论】:

    标签: ruby rubygems ruby-1.8.7 chruby


    【解决方案1】:

    我缺少的步骤是从源代码安装 RubyGems 1.6.2。根据Dan Cheail 的其他建议,我做了以下事情:

    curl -O https://rubygems.org/rubygems/rubygems-1.6.2.tgz
    

    (然后解压)

    cd rubygems-1.6.2
    chruby ruby-1.8.7-p374
    ruby setup.rb
    gem update --system 1.8.25
    

    然后我的 RubyGems 环境就修复了:

    $ gem env
    RubyGems Environment:
      - RUBYGEMS VERSION: 1.8.25
      - RUBY VERSION: 1.8.7 (2013-06-27 patchlevel 374) [i686-darwin17.4.0]
      - INSTALLATION DIRECTORY: /Users/keithpitty/.gem/ruby/1.8.7
      - RUBY EXECUTABLE: /Users/keithpitty/.rubies/ruby-1.8.7-p374/bin/ruby
      - EXECUTABLE DIRECTORY: /Users/keithpitty/.gem/ruby/1.8.7/bin
      - RUBYGEMS PLATFORMS:
        - ruby
        - x86-darwin-17
      - GEM PATHS:
         - /Users/keithpitty/.gem/ruby/1.8.7
         - /Users/keithpitty/.rubies/ruby-1.8.7-p374/lib/ruby/gems/1.8
      - GEM CONFIGURATION:
         - :update_sources => true
         - :verbose => true
         - :benchmark => false
         - :backtrace => false
         - :bulk_threshold => 1000
      - REMOTE SOURCES:
         - http://rubygems.org/
    

    【讨论】:

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