install_lib

# File lib/rubygems/commands/setup_command.rb, line 270
  def install_lib(lib_dir)
    say "Installing RubyGems" if @verbose

    lib_files = rb_files_in 'lib'
    pem_files = pem_files_in 'lib'

    Dir.chdir 'lib' do
      lib_files.each do |lib_file|
        install_file lib_file, lib_dir
      end

      pem_files.each do |pem_file|
        install_file pem_file, lib_dir
      end
    end
  end