From: Vladimir Sizikov <vsizikov@...>
Date: 2008-07-02T15:34:59+09:00
Subject: [ruby-core:17498] Re: HOME and USERPROFILE aliasing under Windows

Hi,

On Wed, Jul 2, 2008 at 12:58 AM, Luis Lavena <luislavena@gmail.com> wrote:
> Ruby 1.9 uses a different list of options for HOME in case if not defined:
>
> [ruby-core:12347]
>
> http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/12347

Ah, good. I also noticed one case where MRI still relies on HOME: irb
is actually uses ENV['HOME'] only, to find the irbrc file with
customizations, and if it doesn't find it, irb uses the current dir
(which is kinda weird).

lib/irb/init.rb:

if home = ENV["HOME"]
   yield proc{|rc| home+"/.irb#{rc}"}
end
home = Dir.pwd

So, I ended up explicitly defining HOME on Windows.

Thanks,
  --Vladimir