# File lib/rubygems/commands/dependency_command.rb, line 146
  def print_dependencies(spec, level = 0)
    response = ''
    response << '  ' * level + "Gem #{spec.full_name}\n"
    unless spec.dependencies.empty? then
      spec.dependencies.each do |dep|
        response << '  ' * level + "  #{dep}\n"
      end
    end
    response
  end