From: Jim Weirich <jim@...>
Date: 2005-12-09T13:52:26+09:00
Subject: Re: home of the gems?

railsinator wrote:
> I'm trying to understand how gems are loaded. Please help.
> 
> A little background:
> 
> I decided to do some rails development work on a debian system. I didn't
> think rails was up to date, so I tried to do a 'gem update rails'. This
> failed because I did not have root access. So I installed the gems 
> locally.
> Everthing seemed fine.
> 
> I later deleted the local gem directory. Now:
> 
>    - "gem list" says there are no gems.
>    - "gemwhich rails" says "can't find rails.
>    - The application runs fine.
> 
> By now it is clear to me that there are gems installed in the default
> location. I would like to override this with a local install. I don't
> understand how the load path is determined.
> 
> Thanks for your help.

'gem env' will give you some information about your gem environment. 
You can control the details here via environment variables:

   GEM_HOME -- Path to gem repository where gems are installed by 
default.
   GEM_PATH -- List of paths of gem repositories to be searched.

-- Jim Weirich


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