From: Eric Hodel <drbrain@...7.net>
Date: 2007-12-21T06:27:44+09:00
Subject: Re: RubyGems 1.0.0

On Dec 20, 2007, at 13:20 PM, Joe Van Dyk wrote:
> I upgraded to RubyGems 1.0.0.  Running ruby 1.8.6 on OS X.
>
> When I try to run a spec file in my Rails project, I get:
>
> /opt/local/lib/ruby/site_ruby/1.8/rubygems/requirement.rb:144:in
> `parse': Illformed requirement [""] (ArgumentError)
>        from /opt/local/lib/ruby/site_ruby/1.8/rubygems/requirement.rb:
> 70:in `initialize'
>        from /opt/local/lib/ruby/site_ruby/1.8/rubygems/requirement.rb:
> 69:in `map'
>        from /opt/local/lib/ruby/site_ruby/1.8/rubygems/requirement.rb:
> 69:in `initialize'
>        from /opt/local/lib/ruby/site_ruby/1.8/rubygems/requirement.rb:
> 45:in `new'
>        from /opt/local/lib/ruby/site_ruby/1.8/rubygems/requirement.rb:
> 45:in `create'
>        from /opt/local/lib/ruby/site_ruby/1.8/rubygems/
> specification.rb:413:in `required_rubygems_version='
>        from /opt/local/lib/ruby/gems/1.8/specifications/
> builder-2.1.2.gemspec:7:in `load_specification'
>        from /opt/local/lib/ruby/site_ruby/1.8/rubygems/
> specification.rb:540:in `initialize'
>         ... 25 levels...
>        from ./spec/models/../spec_helper.rb:4:in `require'
>        from ./spec/models/../spec_helper.rb:4
>        from spec/models/puzzle_spec.rb:1:in `require'
>        from spec/models/puzzle_spec.rb:1
>
> Any ideas?  You need more data?  Is it possible to downgrade to
> rubygems 0.9.5?

I'll need a full backtrace.

You can download RubyGems 0.9.5 and install it from the tarball to  
revert.