From: Jordi Massaguer Pla <jmassaguerpla@...>
Date: 2012-08-30T01:31:05+09:00
Subject: Re: How to add a non standard Gem path?

Quoting Iñaki Baz Castillo <ibc@aliax.net>:

> Hi, I would like to install some Gems in a custom directory (i.e.
> /usr/local/gems/), so such a directory will have the following
> structure:
>
>   ibc@myhost: /usr/local/gems$ ls -l
>
>   drwxr-xr-x 2 root root 4,0K ago 29 18:02 bin/
>   drwxr-xr-x 2 root root 4,0K ago 29 18:01 cache/
>   drwxr-xr-x 2 root root 4,0K ago 29 18:01 doc/
>   drwxr-xr-x 6 root root 4,0K ago 29 18:01 gems/
>   drwxr-xr-x 2 root root 4,0K ago 29 18:02 specifications/
>
>
> Once I've started a Ruby script, how can I tell the "require" command
> to include my custom Gem directory so "require GEM_NAME" command looks
> first in /usr/local/gems/gems/*/lib/* ?
>
>
> I've tryed modifying the Gem.path which by default has this value:
>
>   Gem.path
>   =>  [ "/var/lib/gems/1.9.1", "/home/ibc/.gem/ruby/1.9.1"]
>
> so I've added my directory:
>
>   Gem.path.insert 0, "/usr/local/gems"
>   Gem.path
>   => ["/tmp/gems", "/var/lib/gems/1.9.1", "/home/ibc/.gem/ruby/1.9.1"]
>
> But this does not work, "require" command does not search there.
>
>

You can try something like this:

$:.unshift yourdirectory

or use rvm (https://rvm.io/) <- you can use different ruby versions  
and different gemsets.

or use GEM_HOME http://docs.rubygems.org/read/chapter/3

I usually rvm and works very good.

regards
jordi


>
> Any help please?
>
> Thanks a lot.
>
>
> --
> Iñaki Baz Castillo
> <ibc@aliax.net>
>
>