# File lib/rubygems/installer.rb, line 94
  def initialize(gem, options={})
    require 'fileutils'

    @gem = gem
    @options = options
    process_options

    if options[:user_install] and not options[:unpack] then
      @gem_home = Gem.user_dir
      check_that_user_bin_dir_is_in_path
    end
  end