# File lib/thor/tasks.rb, line 14
  def self.install_task(spec)
    package_task spec

    null, sudo, gem = RUBY_PLATFORM =~ /w(in)?32$/ ? ['NUL', '', 'gem.bat'] :
                                                     ['/dev/null', 'sudo', 'gem']
    
    desc "install", "install the gem"
    define_method :install do
      old_stderr, $stderr = $stderr.dup, File.open(null, "w")
      package
      $stderr = old_stderr
      system %{#{sudo} #{Gem.ruby} -S #{gem} install pkg/#{spec.name}-#{spec.version} --no-rdoc --no-ri --no-update-sources}
    end
  end