# File lib/rubygems.rb, line 680 def self.path @gem_path ||= nil unless @gem_path then paths = [ENV['GEM_PATH'] || Gem.configuration.path || default_path] if defined?(APPLE_GEM_HOME) and not ENV['GEM_PATH'] then paths << APPLE_GEM_HOME end set_paths paths.compact.join(File::PATH_SEPARATOR) end @gem_path end