From: Luis Lavena <luislavena@...>
Date: 2009-06-03T09:40:11+09:00
Subject: Re: Rubygems

On Jun 2, 7:06 pm, Eric Hodel <drbr...@segment7.net> wrote:
> On Jun 2, 2009, at 06:03, J. D. wrote:
>
> > I have a curious question...
>
> > My normal install is C:\Ruby and C:\Ruby\bin is located in my windows
> > path.
>
> > If I do ruby -v (correct version shows)
> > If I do gem -v (correct version shows)
> > If I do gem list (correct list shows)
>
> > If I rename that folder to C:\Ruby.backup (to store as a backup  
> > folder)
>
> Do not do this, it breaks ruby.
>
> Ruby software (including RubyGems) use rbconfig.rb to figure out where  
> ruby lives so it can do things like call back into ruby correctly,  
> find other software, etc.
>

Hello Eric.

Actually, Ruby on Windows is more dynamic and accepts relocation.

That's how I've managed to build the exact same version of Ruby in a
sandboxed directory and properly relocate it during installation to C:
\Ruby.

This is done with a trick to rbconfig that removes the hardcoded PATH.

http://github.com/oneclick/rubyinstaller/blob/master/recipes/interpreter/ruby18.rake#L115-118

--
Luis Lavena