# File lib/rubygems/commands/setup_command.rb, line 234 def install_lib(lib_dir) say "Installing RubyGems" if @verbose Dir.chdir 'lib' do lib_files = Dir[File.join('**', '*rb')] lib_files.each do |lib_file| dest_file = File.join lib_dir, lib_file dest_dir = File.dirname dest_file mkdir_p dest_dir unless File.directory? dest_dir install lib_file, dest_file, :mode => 0644 end end end