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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Bundler: The best way to manage Ruby applications</title>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" />
<link href="/stylesheets/application.css" media="all" rel="stylesheet" type="text/css"/><link href="/stylesheets/sunburst.css" media="all" rel="stylesheet" type="text/css"/>
<link href="/images/favicon.png" rel="shortcut icon" type="image/png" />
</head>
<body>
<div id="body">
<div id="contents">
<div id="header">
<a href="/">
<img alt="The best way to manage your application's dependencies" src="images/gembundler.png" width="725"/>
</a>
</div>
<h2>Using Groups</h2>
<div class="contents">
<div class="bullet">
<div class="description">
Grouping your dependencies allows you
to perform operations on the entire
group.
</div>
<pre class="sunburst"><span class="Comment"><span class="Comment">#</span> These gems are in the :default group</span>
gem <span class="String"><span class="String">"</span>nokogiri<span class="String">"</span></span>
gem <span class="String"><span class="String">"</span>sinatra<span class="String">"</span></span>

gem <span class="String"><span class="String">"</span>wirble<span class="String">"</span></span>, <span class="Constant"><span class="Constant">:</span>group</span> => <span class="Constant"><span class="Constant">:</span>development</span>

group <span class="Constant"><span class="Constant">:</span>test</span> <span class="Keyword">do</span>
 gem <span class="String"><span class="String">"</span>rspec<span class="String">"</span></span>
 gem <span class="String"><span class="String">"</span>faker<span class="String">"</span></span>
<span class="Keyword">end</span>
</pre>
</div>
<div class="bullet">
<div class="description">
Install all dependencies, except
those in specified groups
</div>
<pre class='sunburst'>$ bundle install --without test development
</pre>
</div>
<div class="bullet">
<div class="description">
Require the gems in particular groups,
noting that gems outside of a named group
are in the :default group
</div>
<pre class="sunburst"><span class="Support">Bundler</span>.<span class="Entity">require</span>(<span class="Constant"><span class="Constant">:</span>default</span>, <span class="Constant"><span class="Constant">:</span>development</span>)
</pre>
</div>
<div class="bullet">
<div class="description">
Require the default gems, plus the gems
in a group named the same as the current
Rails environment
</div>
<pre class="sunburst"><span class="Support">Bundler</span>.<span class="Entity">require</span>(<span class="Constant"><span class="Constant">:</span>default</span>, <span class="Support">Rails</span>.<span class="Entity">env</span>)
</pre>
</div>
<div class="bullet">
<div class="description">
Restrict the groups of gems that you
want to add to the load path. Only gems
in these groups will be require'able
</div>
<pre class="sunburst"><span class="Keyword">require</span> <span class="String"><span class="String">"</span>rubygems<span class="String">"</span></span>
<span class="Keyword">require</span> <span class="String"><span class="String">"</span>bundler<span class="String">"</span></span>
<span class="Support">Bundler</span>.<span class="Entity">setup</span>(<span class="Constant"><span class="Constant">:</span>default</span>, <span class="Constant"><span class="Constant">:</span>ci</span>)
<span class="Keyword">require</span> <span class="String"><span class="String">"</span>nokogiri<span class="String">"</span></span>
</pre>
<a href="./bundler_setup.html">Learn More: Bundler.setup</a>
</div>
</div>
</div>
</div>
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<p>
<b>commands</b>
<a href="./index.html">home</a>
/
<a href="./bundle_install.html">install</a>
/
<a href="./bundle_package.html">package</a>
</p>
<p>
<b>usage</b>
<a href="./gemfile.html">gemfile</a>
/
<a href="./git.html">git</a>
/
<a href="./groups.html">groups</a>
/
<a href="./bundler_setup.html">setup</a>
/
<a href="./deploying.html">deploying</a>
</p>
<p>
<b>frameworks</b>
<a href="./rubygems.html">rubygems</a>
/
<a href="./sinatra.html">sinatra</a>
/
<a href="./rails23.html">rails 2.3</a>
/
<a href="./rails3.html">rails 3</a>
</p>
</div>
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<img alt="Bundler small" src="images/bundler-small.png"/>
</div>
<div id="credits">
<p>Bundler icon and logo designed by <a href="http://twitter.com/johnneiner">John Neiner</a> and donated by <a href="http://pixelgraphics.us">Pixel Graphic Design Studio</a></p>
</div>
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