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	<title>Diego Plentz &#187; gem</title>
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	<description>plentiful thoughts from my empty head</description>
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		<title>Updating Gems</title>
		<link>http://plentz.org/2008/10/16/updating-gems/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=updating-gems</link>
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		<pubDate>Fri, 17 Oct 2008 03:47:29 +0000</pubDate>
		<dc:creator>Diego Plentz</dc:creator>
				<category><![CDATA[coding]]></category>
		<category><![CDATA[rails]]></category>
		<category><![CDATA[ruby]]></category>
		<category><![CDATA[gem]]></category>
		<category><![CDATA[gems]]></category>
		<category><![CDATA[macosx]]></category>

		<guid isPermaLink="false">http://plentz.org/?p=213</guid>
		<description><![CDATA[Hoje resolvi fazer uma atualização do Rails e cia aqui e dei de cara com um problema chato de resolver. Além de instalar as versões novas dos gems, queria me livrar as antigas. Mas sempre que tentava fazer o gem cleanup, recebia o seguinte erro: ~ plentz$ sudo gem cleanup Cleaning up installed gems... Attempting [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://flickr.com/photos/richlegg/84028300/" title="How many steps can I go? by LeggNet"><img src="http://farm1.static.flickr.com/38/84028300_3f2ea22ed6_m.jpg" alt="How many steps can I go? by LeggNet" class="pc_img" height="160" width="240" style="border: 2px solid rgb(0, 0, 0);float: right; margin-left: 10px; margin-bottom: 10px;"/></a></p>
<p>Hoje resolvi fazer uma atualização do <a href="http://www.rubyonrails.org/">Rails</a> e cia aqui e dei de cara com um problema chato de resolver. Além de instalar as versões novas dos <a href="http://www.rubygems.org/">gems</a>, queria me livrar as antigas. Mas sempre que tentava fazer o <em>gem cleanup</em>, recebia o seguinte erro:<br />
<code><br />
~ plentz$ sudo gem cleanup<br />
Cleaning up installed gems...<br />
Attempting to uninstall mongrel-1.0.1<br />
ERROR:  While executing gem ... (Gem::InstallError)<br />
    Unknown gem mongrel = 1.0.1<br />
</code><br />
Depois de fazer um <em>find</em> (<em>find . -iname mongrel*</em> mesmo) no / inteiro, descobri um diretório com vários gems antigos. Ele fica em:</p>
<p><code>/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8</code></p>
<p>Entrei nele e fiz literalmente um limpa. Apaguei todos arquivos dentro das pastas specifications, doc, cache e gems. Então se quizer deixar sua instalação 100% fresh, rode os comandos abaixo, e caso encontre algum problema, siga a dica acima:<br />
<code><br />
sudo gem update --system<br />
sudo gem update<br />
sudo gem cleanup<br />
</code><br />
Depois confira que você ficou só com as últimas versões rodando: <em>gem list</em>.</p>
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