From: Tom Cloyd <tomcloyd@...>
Date: 2009-03-05T10:26:32+09:00
Subject: Re: gem cleanup problem

Eric Hodel wrote:
> On Mar 4, 2009, at 12:56, Tom Cloyd wrote:
>> Eric Hodel wrote:
>>>> $ sudo gem cleanup
>>>> Cleaning up installed gems...
>>>> Attempting to uninstall bones-2.3.1
>>>> ERROR:  While executing gem ... (Gem::InstallError)
>>>>  Unknown gem bones = 2.3.1
>>>> tomc@tomc-desktop:~$
>>>>
>>>> I don't understand the problem here. Can anyone offer me a clue?
>>>
>>> gem cleanup doesn't handle multiple gem repos well yet, this may be 
>>> your problem:
>>>
>>> $ gem list -d rails
>>>
>>> *** LOCAL GEMS ***
>>>
>>> rails (2.2.2, 1.2.6)
>>>    Author: David Heinemeier Hansson
>>>    Rubyforge: http://rubyforge.org/projects/rails
>>>    Homepage: http://www.rubyonrails.org
>>>    Installed at (2.2.2): /Library/Ruby/Gems/1.8
>>>                 (1.2.6): 
>>> /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8 
>>>
>>> [...]
>>> $ sudo gem cleanup rails
>>> Password:
>>> Cleaning up installed gems...
>>> :0:Warning: Gem::SourceIndex#search support for Regexp patterns is 
>>> deprecated
>>> Attempting to uninstall rails-1.2.6
>>> ERROR:  While executing gem ... (Gem::InstallError)
>>>    Unknown gem rails = 1.2.6
>>> $
>>>
>>>
>> Bingo. That's it. I have ruby 1.8.7 installed, and recently installed 
>> 1.9 as well. It never occurred to me that Rubygems was catching both 
>> installs, and that is clearly the case. Hadn't used the 'gem list -d 
>> {}' command until I read your email. Problem explained, if not 
>> solved. Interesting....
>
> I forgot the workaround:
>
> sudo sh -c 'GEM_PATH=`gem env home` gem cleanup'
>
>
Ah, lovely. Thanks a lot!

t.

-- 

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