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  7.   Class: UnpackStrategy::Fossil
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  40.     <span class='title'><span class='object_link'><a href="../UnpackStrategy.html" title="UnpackStrategy (module)">UnpackStrategy</a></span></span>
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  42.     <span class="title">Fossil</span>
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  62.       <div id="content"><h1>Class: UnpackStrategy::Fossil
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  75.           <li>Object</li>
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  77.             <li class="next">UnpackStrategy::Fossil</li>
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  91.       <dt>Includes:</dt>
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  92.       <dd><span class='object_link'><a href="../UnpackStrategy.html" title="UnpackStrategy (module)">UnpackStrategy</a></span></dd>
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  101.     <dt>Defined in:</dt>
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  102.     <dd>brew/Library/Homebrew/unpack_strategy/fossil.rb</dd>
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  113.   <h2>Instance Attribute Summary</h2>
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  115.   <h3 class="inherited">Attributes included from <span class='object_link'><a href="../UnpackStrategy.html" title="UnpackStrategy (module)">UnpackStrategy</a></span></h3>
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  116.   <p class="inherited"><span class='object_link'><a href="../UnpackStrategy.html#merge_xattrs-instance_method" title="UnpackStrategy#merge_xattrs (method)">#merge_xattrs</a></span>, <span class='object_link'><a href="../UnpackStrategy.html#path-instance_method" title="UnpackStrategy#path (method)">#path</a></span></p>
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  121.       Class Method Summary
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  130.       <a href="#can_extract%3F-class_method" title="can_extract? (class method)">.<strong>can_extract?</strong>(path)  &#x21d2; Boolean </a>
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  153.       <a href="#extensions-class_method" title="extensions (class method)">.<strong>extensions</strong>  &#x21d2; Object </a>
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  185.   <h3 class="inherited">Methods included from <span class='object_link'><a href="../UnpackStrategy.html" title="UnpackStrategy (module)">UnpackStrategy</a></span></h3>
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  186.   <p class="inherited"><span class='object_link'><a href="../UnpackStrategy.html#dependencies-instance_method" title="UnpackStrategy#dependencies (method)">#dependencies</a></span>, <span class='object_link'><a href="../UnpackStrategy.html#detect-class_method" title="UnpackStrategy.detect (method)">detect</a></span>, <span class='object_link'><a href="../UnpackStrategy.html#extract-instance_method" title="UnpackStrategy#extract (method)">#extract</a></span>, <span class='object_link'><a href="../UnpackStrategy.html#extract_nestedly-instance_method" title="UnpackStrategy#extract_nestedly (method)">#extract_nestedly</a></span>, <span class='object_link'><a href="../UnpackStrategy.html#from_extension-class_method" title="UnpackStrategy.from_extension (method)">from_extension</a></span>, <span class='object_link'><a href="../UnpackStrategy.html#from_magic-class_method" title="UnpackStrategy.from_magic (method)">from_magic</a></span>, <span class='object_link'><a href="../UnpackStrategy.html#from_type-class_method" title="UnpackStrategy.from_type (method)">from_type</a></span>, <span class='object_link'><a href="../UnpackStrategy.html#initialize-instance_method" title="UnpackStrategy#initialize (method)">#initialize</a></span></p>
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  190.     <h2>Class Method Details</h2>
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  194.   <h3 class="signature first" id="can_extract?-class_method">
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  196.     .<strong>can_extract?</strong>(path)  &#x21d2; <tt>Boolean</tt> 
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  225. </div><table class="source_code">
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  228.       <pre class="lines">
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  237. 19</pre>
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  240.       <pre class="code"><span class="info file"># File 'brew/Library/Homebrew/unpack_strategy/fossil.rb', line 13</span>
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  241. 

  242. <span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_can_extract?'>can_extract?</span><span class='lparen'>(</span><span class='id identifier rubyid_path'>path</span><span class='rparen'>)</span>
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  243.   <span class='kw'>return</span> <span class='kw'>false</span> <span class='kw'>unless</span> <span class='id identifier rubyid_path'>path</span><span class='period'>.</span><span class='id identifier rubyid_magic_number'>magic_number</span><span class='period'>.</span><span class='id identifier rubyid_match?'>match?</span><span class='lparen'>(</span><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>\ASQLite format 3\000</span><span class='regexp_end'>/n</span></span><span class='rparen'>)</span>
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  244. 

  245.   <span class='comment'># Fossil database is made up of artifacts, so the `artifact` table must exist.
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  246. </span>  <span class='id identifier rubyid_query'>query</span> <span class='op'>=</span> <span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>select count(*) from sqlite_master where type = &#39;view&#39; and name = &#39;artifact&#39;</span><span class='tstring_end'>&quot;</span></span>
    247. 

  247.   <span class='id identifier rubyid_system_command'>system_command</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>&quot;</span><span class='tstring_content'>sqlite3</span><span class='tstring_end'>&quot;</span></span><span class='comma'>,</span> <span class='label'>args:</span> <span class='lbracket'>[</span><span class='id identifier rubyid_path'>path</span><span class='comma'>,</span> <span class='id identifier rubyid_query'>query</span><span class='rbracket'>]</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_stdout'>stdout</span><span class='period'>.</span><span class='id identifier rubyid_to_i'>to_i</span> <span class='op'>==</span> <span class='int'>1</span>
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  248. <span class='kw'>end</span></pre>
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  255.   <h3 class="signature " id="extensions-class_method">
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  257.     .<strong>extensions</strong>  &#x21d2; <tt>Object</tt> 
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  271. 11</pre>
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  274.       <pre class="code"><span class="info file"># File 'brew/Library/Homebrew/unpack_strategy/fossil.rb', line 9</span>
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  276. <span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_extensions'>extensions</span>
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  288.       <div id="footer">
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  289.      Generated by <a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>.
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