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comp.lang.ruby

Non standard installed gem question

mdiam

5/29/2008 7:04:00 AM

Bonjour à tous,

I'm trying to install and use one particular gem in a non-standard
location.
I'd like to keep using both standard or non-standard installed gems.

I'v been able to install the "rgl" (Ruby Graph Library) in a personnal
directory
like this :

export MY_GEMS=/home/.../pack/ruby/gems/1.8/
gem install rgl -i $MY_GEMS -t --debug

But I'm unable to use it :

export GEM_PATH=$MY_GEMS

irb
>require "rubygems"
>gem "rgl"

>> gem "rgl"
Gem::LoadError: Could not find RubyGem rgl (>= 0.0.0)

from /opt/local/lib/ruby/vendor_ruby/1.8/rubygems.rb:304:in
`report_activate_error'
from /opt/local/lib/ruby/vendor_ruby/1.8/rubygems.rb:238:in
`activate'
from /opt/local/lib/ruby/vendor_ruby/1.8/rubygems.rb:76:in
`active_gem_with_options'
from /opt/local/lib/ruby/vendor_ruby/1.8/rubygems.rb:50:in `gem'
from (irb):3

Thank you for any help
-- Maurice Diamantini



2 Answers

Eric Hodel

5/29/2008 8:41:00 AM

0

On May 29, 2008, at 00:05 AM, mdiam wrote:

> I'm trying to install and use one particular gem in a non-standard
> location. I'd like to keep using both standard or non-standard
> installed gems.
>
> I'v been able to install the "rgl" (Ruby Graph Library) in a personnal
> directory like this :
>
> export MY_GEMS=/home/.../pack/ruby/gems/1.8/
> gem install rgl -i $MY_GEMS -t --debug
>
> But I'm unable to use it :
>
> export GEM_PATH=$MY_GEMS
>
> irb
>> require "rubygems"
>> gem "rgl"
>
>>> gem "rgl"
> Gem::LoadError: Could not find RubyGem rgl (>= 0.0.0)
>
> from /opt/local/lib/ruby/vendor_ruby/1.8/rubygems.rb:304:in
> `report_activate_error'
> from /opt/local/lib/ruby/vendor_ruby/1.8/rubygems.rb:238:in
> `activate'
> from /opt/local/lib/ruby/vendor_ruby/1.8/rubygems.rb:76:in
> `active_gem_with_options'
> from /opt/local/lib/ruby/vendor_ruby/1.8/rubygems.rb:50:in `gem'
> from (irb):3
>
> Thank you for any help

I cannot reproduce:

$ rm -rf ~/tmp/gems/
$ export MY_GEMS=~/tmp/gems
$ gem install rgl -i $MY_GEMS -t
[...]
3 gems installed
[...]
$ export GEM_PATH=$MY_GEMS
$ irb
irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> gem 'rgl'
=> true
irb(main):003:0> Gem.path
=> ["/Users/drbrain/tmp/gems", "/Library/Ruby/Gems/1.8"]

Check to see if irb is looking in the right spot ^^

mdiam

5/29/2008 3:03:00 PM

0

On 29 mai, 10:40, Eric Hodel <drbr...@segment7.net> wrote:
> On May 29, 2008, at 00:05 AM, mdiam wrote:
>
> > I'm trying to install and use one particular gem in a non-standard
> > location.  I'd like to keep using both standard or non-standard  
> > installed gems.
> > I'v been able to install the "rgl" (Ruby Graph Library) in a personnal
> > directory like this : ...
> > But I'm unable to use it :
>
> ...
> >>> gem "rgl"
> > Gem::LoadError: Could not find RubyGem rgl (>= 0.0.0)>
> > Thank you for any help
>
> I cannot reproduce:

Hum, I also success thank's to your commands (perhaps I've done some
mistake
with my numerous trys, with several ruby versions (macport et apple)
and the various gems repositories I tested..)
But now I sure this was the way to go!

rm -rf ~/tmp/gems/1.8
export MY_GEMS=~/tmp/gems/1.8
gem install rgl -i $MY_GEMS --no-rdoc --no-ri -y
# (faster without docs)

export GEM_PATH=$MY_GEMS

irb

require 'rubygems'
# generaly return false !?

gem 'rgl'
# => true

Gem.path
# => ["/Users/diam/tmp/gems/1.8", "/opt/local/lib/ruby/gems/1.8"]


Thank your very much for your fast help!
-- Maurice


> $ rm -rf ~/tmp/gems/
> $ export MY_GEMS=~/tmp/gems
> $ gem install rgl -i $MY_GEMS -t
> [...]
> 3 gems installed
> [...]
> $ export GEM_PATH=$MY_GEMS
> $ irb
> irb(main):001:0> require 'rubygems'
> => true
> irb(main):002:0> gem 'rgl'
> => true
> irb(main):003:0> Gem.path
> => ["/Users/drbrain/tmp/gems", "/Library/Ruby/Gems/1.8"]
>
> Check to see if irb is looking in the right spot ^^