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<li ><a href="#method-c-new">::new</a>
<li ><a href="#method-i-backup">#backup</a>
<li ><a href="#method-i-restore">#restore</a>
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<h1 id="class-Bundler::EnvironmentPreserver" class="class">
class Bundler::EnvironmentPreserver
</h1>
<section class="description">
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section class="constants-list">
<header>
<h3>Constants</h3>
</header>
<dl>
<dt id="BUNDLER_KEYS">BUNDLER_KEYS
<dd>
<dt id="BUNDLER_PREFIX">BUNDLER_PREFIX
<dd>
<dt id="INTENTIONALLY_NIL">INTENTIONALLY_NIL
<dd>
</dl>
</section>
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-new" class="method-detail ">
<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">(env, keys)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>@param env [ENV] @param keys [Array<String>]</p>
<div class="method-source-code" id="new-source">
<pre><span class="ruby-comment"># File lib/bundler/environment_preserver.rb, line 22</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">env</span>, <span class="ruby-identifier">keys</span>)
<span class="ruby-ivar">@original</span> = <span class="ruby-identifier">env</span>.<span class="ruby-identifier">to_hash</span>
<span class="ruby-ivar">@keys</span> = <span class="ruby-identifier">keys</span>
<span class="ruby-ivar">@prefix</span> = <span class="ruby-constant">BUNDLER_PREFIX</span>
<span class="ruby-keyword">end</span></pre>
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</section>
<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
</header>
<div id="method-i-backup" class="method-detail ">
<div class="method-heading">
<span class="method-name">backup</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>@return [Hash]</p>
<div class="method-source-code" id="backup-source">
<pre><span class="ruby-comment"># File lib/bundler/environment_preserver.rb, line 29</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">backup</span>
<span class="ruby-identifier">env</span> = <span class="ruby-ivar">@original</span>.<span class="ruby-identifier">clone</span>
<span class="ruby-ivar">@keys</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">key</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">value</span> = <span class="ruby-identifier">env</span>[<span class="ruby-identifier">key</span>]
<span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">value</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span><span class="ruby-identifier">value</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">env</span>[<span class="ruby-ivar">@prefix</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">key</span>] <span class="ruby-operator">||=</span> <span class="ruby-identifier">value</span>
<span class="ruby-keyword">elsif</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">env</span>[<span class="ruby-ivar">@prefix</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">key</span>] <span class="ruby-operator">||=</span> <span class="ruby-constant">INTENTIONALLY_NIL</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">env</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-restore" class="method-detail ">
<div class="method-heading">
<span class="method-name">restore</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>@return [Hash]</p>
<div class="method-source-code" id="restore-source">
<pre><span class="ruby-comment"># File lib/bundler/environment_preserver.rb, line 43</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">restore</span>
<span class="ruby-identifier">env</span> = <span class="ruby-ivar">@original</span>.<span class="ruby-identifier">clone</span>
<span class="ruby-ivar">@keys</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">key</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">value_original</span> = <span class="ruby-identifier">env</span>[<span class="ruby-ivar">@prefix</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">key</span>]
<span class="ruby-keyword">next</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">value_original</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">value_original</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">value_original</span> <span class="ruby-operator">==</span> <span class="ruby-constant">INTENTIONALLY_NIL</span>
<span class="ruby-identifier">env</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">key</span>)
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">env</span>[<span class="ruby-identifier">key</span>] = <span class="ruby-identifier">value_original</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">env</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-ivar">@prefix</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">key</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">env</span>
<span class="ruby-keyword">end</span></pre>
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