blocks|key|286787|text|使用gem+env列出每个上下文中的gem路径。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|286788|如果没有RVM，gem+env将报告系统gem库路径。|286789|对于RVM，gem+env将报告RVM管理的gem库路径。|286790|Bundler管理应用程序依赖项并安装到您环境中的gem库中。如果您使用的是RVM+%2B+Bundler，gem将安装在RVM管理的gem目录中。如果您在不使用RVM的情况下使用bundler，bundler将在系统gem目录中安装gem。|286791|entityMap^0|2|7|0|8|7|0|6|7|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|W|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|X|8|@]|D|@]|E|$]]]|M|$]]

Use <code>gem env</code> to list the gem paths in each context.

Without RVM <code>gem env</code> will report the system gem library paths.

With RVM <code>gem env</code> will report the RVM-managed gem library paths.

Bundler manages application dependencies and installs into the gem library in your environment. If you are using RVM + Bundler, the gems will be installed in the RVM managed gem directories. If you are using it without RVM, bundler will install gems in the system gem directories.

blocks|key|286799|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|286800|要找出gem的安装位置，请在终端中运行echo+$GEM_HOME。|ordered-list-item|offset|length|style|CODE|286801|使用RVM时，gem会在更改$GEM_HOME时安装到您的RVM安装中。|286802|当Bundler被添加到混合包中时，gem将被安装在$GEM_HOME中，或者，如果您在运行bundle+install时指定了路径，gem将被安装到该路径中。要通过Bundler找到gem的位置，您可以使用bundle+show+gemname获取其完整路径。|286803|286804|entityMap^0|0|J|E|0|0|Q|9|1A|E|2W|J|0|0^^$0|@$1|2|3|-4|4|5|6|O|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|P|7|@$D|Q|E|R|F|G]]|8|@]|9|$]]|$1|H|3|I|4|C|6|S|7|@]|8|@]|9|$]]|$1|J|3|K|4|C|6|T|7|@$D|U|E|V|F|G]|$D|W|E|X|F|G]|$D|Y|E|Z|F|G]]|8|@]|9|$]]|$1|L|3|-4|4|5|6|10|7|@]|8|@]|9|$]]|$1|M|3|-4|4|5|6|11|7|@]|8|@]|9|$]]]|N|$]]

<ol>
<li>To find out where gems are being installed to, run <code>echo $GEM_HOME</code> in a terminal.</li>
<li>When using RVM, gems are installed into your RVM install as it changes $GEM_HOME. Running <code>echo $GEM_HOME</code> now would show a path into your RVM install.</li>
<li>When Bundler is added to the mix, gems will either be installed in <code>$GEM_HOME</code>, or, if you specify a path when running <code>bundle install</code> will be installed to that path. To find out where a gem is through Bundler you can use <code>bundle show gemname</code> to get its full path.</li>
</ol>

blocks|key|3214154|text|我也在试图理解它是如何工作的。博客"Advice+on+using+Ruby,+RVM,+Passenger,+Rails,+Bundler,+…+in+development“帮助我有了一个更好的概述。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3214155|顺便说一句，这是一篇法语文章的翻译，法语版本更好。|3214156|entityMap|0|LINK|mutability|MUTABLE|url|http://jeremy.wordpress.com/2010/08/19/ruby-rvm-passenger-rails-bundler-in-development/^0|I|1Y|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

I'm also trying to understand how it works. The blog "<a href="http://jeremy.wordpress.com/2010/08/19/ruby-rvm-passenger-rails-bundler-in-development/" rel="nofollow">Advice on using Ruby, RVM, Passenger, Rails, Bundler, … in development</a>" helped me have a better overview.

BTW, it's a translation of a French article, the French version is better.

blocks|key|286822|text|要查找gem的安装路径，请使用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|286823|gem+which+gem_name|code-block|syntax|javascript|286824|要查找可执行文件(如html2haml)，请使用：|286825|which+executable_name|286826|为了避免输入Bundler团队推荐的bundle+exec+html2haml，可以使用我的rubygems-bundler+gem。|offset|length|style|CODE|286827|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/mpapis/rubygems-bundler^0|0|0|0|0|I|L|1A|G|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|10|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|11|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|12|8|@$M|13|N|14|O|P]]|9|@$M|15|N|16|1|17]]|A|$]]|$1|Q|3|-4|5|6|7|18|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|X]]]]

To find the path where a gem is installed use:

<pre><code>gem which gem_name
</code></pre>

To find executables (like html2haml) use:

<pre><code>which executable_name
</code></pre>

To avoid typing <code>bundle exec html2haml</code> which is recommended by the Bundler team, use my <a href="https://github.com/mpapis/rubygems-bundler" rel="nofollow">rubygems-bundler</a> gem.

I read "<a href="https://stackoverflow.com/questions/4361645/relationships-between-rubygems-bundler-and-rvm">Relationships between Rubygems, Bundler, and RVM</a>" before asking it again. 

Well, there are many questions like this, but people who answered say they work with Rubygems, RVM and Bundler, and they have not explained how each of these work in isolation. 

I am really confused with how the three work in isolation when we are installing gems. Please do not tell me how you work, which will help me, but I won't learn what is happening when we play with them.

My confusion can be broken down into these questions. Where is a gem installed when:

<ol>
<li>I just have Rubygems (without RVM or Bundler)?</li>
<li>Rubygems and RVM are installed?</li>
<li>Rubygems, RVM and Bundler are installed?</li>
</ol>

Please help me understand this stuff with either resources on the web or by your detailed answers.

Rubygems, Bundler and RVM confusion

我读了"“，然后再问一遍。嗯，有很多这样的问题，但是回答的人说他们使用Rubygems，RVM和Bundler，他们没有解释这些是如何独立工作的。当我们安装gem时，我真的很困惑这三者是如何独立工作的。请不要告诉我你是如何工作的，这会对我有帮助，但当我们玩它们时，我不会知道发生了什么。我的困惑可以分解为这些问题。在以下...

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