试试rvm

试试rvm

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试试rvm

2011-01-12 21:15:25

rvm
    Ruby Version Manager (RVM)
    http://rvm.beginrescueend.com
    
安装rvm
    >下载并安装
    $ bash < <( curl http://rvm.beginrescueend.com/releases/rvm-install-head )
    
    >配置shell
    $ emacs ~/.bashrc
        
        #注释掉
        #[ -z "$PS1" ] && return
        if ［ -n "$PS1" ］ ; then
          #在此放置原有内容
        fi 
        
        #最尾部添加以下行
        ［ -s "$HOME/.rvm/scripts/rvm" ］ && source "$HOME/.rvm/scripts/rvm"
        
    >验证安装是否成功
        $rvm -v
        rvm 1.2.1 by Wayne E. Seguin ......
        
试试rvm
    >安装jruby
    $ rvm install jruby-1.5.6
        jruby-1.5.6 - #fetching 
        jruby-1.5.6 - #downloading jruby-bin-1.5.6, this may take a while depending on 
        ...
        
        Successfully installed jruby-launcher-1.0.5-java
        1 gem installed
        Installing ri documentation for jruby-launcher-1.0.5-java...
        Installing RDoc documentation for jruby-launcher-1.0.5-java...


    >当前系统安装的ruby版本
    $ ruby -v
        ruby 1.9.2p136 (2010-12-25 revision 30365) [i686-linux]

    >当前shell切换到jruby
    $ rvm use jruby-1.5.6
        Using /home/itang/.rvm/gems/jruby-1.5.6

    $ ruby -v
        jruby 1.5.6 (ruby 1.8.7 patchlevel 249) (2010-12-03 9cf97c3) (Java HotSpot(TM) Client VM 1.6.0_22) [i386-java]
    $ which ruby
        /home/itang/.rvm/rubies/jruby-1.5.6/bin/ruby
        
    >换回系统的
    $ rvm system
    
    $ ruby -v
        ruby 1.9.2p136 (2010-12-25 revision 30365) [i686-linux]
    $ which ruby
        /usr/local/bin/ruby

    
    >将jruby 设为默认的ruby实现(每个shell都启用的)
    $ rvm --default use jruby-1.5.6
        Using /home/itang/.rvm/gems/jruby-1.5.6
    >新开启一个shell窗口
    $ which ruby
        /home/itang/.rvm/rubies/jruby-1.5.6/bin/ruby
        
    >jruby下安装rake
    $ which gem
        /home/itang/.rvm/rubies/jruby-1.5.6/bin/gem
    $ gem install rake
        Successfully installed rake-0.8.7
        1 gem installed
        Installing ri documentation for rake-0.8.7...
        Installing RDoc documentation for rake-0.8.7...
    $ gem list

        *** LOCAL GEMS ***

        bouncy-castle-java (1.5.0145.2)
        jruby-launcher (1.0.5)
        jruby-openssl (0.7.2)
        rake (0.8.7)
       
    >将默认ruby实现重置, 即切回系统的
    $ rvm reset
    $ which ruby
        /usr/local/bin/ruby

rvm升级
   方式一:   Upgrading to the latest gem
     $ rvm update
     $ rvm reload
   方式二: Upgrading to the latest repository source
     $ rvm get head
     $ rvm reload