# File lib/rubygems.rb, line 488 def self.path @gem_path ||= nil unless @gem_path then paths = if ENV['GEM_PATH'] then [ENV['GEM_PATH']] else [default_path] end 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