gem_spec_rake_task.rb

namespace :gem
  task :spec => :version do
    file = File.new(__DIR__ + "fold.gemspec", 'w+')
    spec = %{
Gem::Specification.new do |s|
  s.name             = "fold"
  s.version          = "#{@version}"
  s.platform         = Gem::Platform::RUBY
  s.has_rdoc         = false
  s.summary          = "Toolkit for creating whitespace active mini-languages. Inspired by Haml. Feature light."
  s.description      = s.summary
  s.author           = "Collin Miller"
  s.email            = "collintmiller@gmail.com"
  s.homepage         = "http://github.com/collin/fold"
  s.require_path     = "lib"
  s.files            = %w{#{(%w(README Rakefile.rb) + Dir.glob("{lib,rspec}/**/*")).join(' ')}}
  
  s.add_dependency  "rake"
  s.add_dependency  "rspec"
end
}

  @fold_gemspec = eval(spec)
  file.write(spec)
  end
end

gistfile2.txt

collin@collin-tablet:/usr/lib/ruby/gems/1.8/gems/collin-fold-0.0.5$ ls -l
total 8
drwxr-xr-x 3 root root   31 2008-07-21 16:04 lib
-rwS-w--wx 1 root root 1629 2008-07-21 16:04 Rakefile.rb
-r-Sr--r-- 1 root root  605 2008-07-21 16:04 README
drwxr-xr-x 4 root root   77 2008-07-21 16:04 rspec
collin@collin-tablet:/usr/lib/ruby/gems/1.8/gems/collin-fold-0.0.5$ wtf?