A Rip plugin for stubbing out RubyGems.

fake_rubygems.rb

# file:lib/rip/commands/fake_rubygems.rb
module Rip
  module Commands
    FAKE_RUBYGEMS = "def gem(*args)end;module Gem;end"

    o 'rip fake_rubygems [-d]'
    x "Installs a rubygems.rb stub into the current ripenv."
    x "Useful when dealing with libraries that require 'rubygems'"
    x
    x "The -d option deletes the stub."
    def fake_rubygems(options = {}, *args)
      file = File.join(Rip::Env.active_dir, 'lib', 'rubygems.rb')

      # un-fake rubygems
      if options[:d]
        if File.exists? file
          FileUtils.rm file
          ui.abort "un-faked rubygems"
        else
          ui.abort "you haven't faked rubygems yet"
        end
      end

      if File.exists?(file)
        ui.abort "already faked rubygems in #{Rip::Env.active} ripenv"
      else
        File.open(file, 'w') do |f|
          f.puts FAKE_RUBYGEMS
          f.flush
        end
        ui.puts "rip: rubygems successfully faked"
      end
    end
  end
end