From: "Don P." <don.park@...>
Date: 2011-01-09T14:44:40+09:00
Subject: Re: Error with Gem Outdated command

a little more information about the gem outdated problem, by adding a 
couple print lines to outdated_command.rb, its the devise gem thats 
failing.

<Gem::Dependency type=:runtime name="devise" requirements=">= 1.2.rc">

      dep = Gem::Dependency.new local.name, ">= #{local.version}"
      puts dep.inspect
      remotes = Gem::SpecFetcher.fetcher.fetch dep
      remote = remotes.last.first

undefined method `first' for nil:NilClass

Perhaps the SpecFetcher doesnt know what to do with 1.2.rc.

Don

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