module Rake require 'rake/alt_system' # Win 32 interface methods for Rake. Windows specific functionality # will be placed here to collect that knowledge in one spot. module Win32 # Error indicating a problem in locating the home directory on a # Win32 system. class Win32HomeError < RuntimeError end class << self # True if running on a windows system. def windows? AltSystem::WINDOWS end # Run a command line on windows. def rake_system(*cmd) AltSystem.system(*cmd) end # The standard directory containing system wide rake files on # Win 32 systems. Try the following environment variables (in # order): # # * HOME # * HOMEDRIVE + HOMEPATH # * APPDATA # * USERPROFILE # # If the above are not defined, the return nil. def win32_system_dir #:nodoc: win32_shared_path = ENV['HOME'] if win32_shared_path.nil? && ENV['HOMEDRIVE'] && ENV['HOMEPATH'] win32_shared_path = ENV['HOMEDRIVE'] + ENV['HOMEPATH'] end win32_shared_path ||= ENV['APPDATA'] win32_shared_path ||= ENV['USERPROFILE'] raise Win32HomeError, "Unable to determine home path environment variable." if win32_shared_path.nil? or win32_shared_path.empty? normalize(File.join(win32_shared_path, 'Rake')) end # Normalize a win32 path so that the slashes are all forward slashes. def normalize(path) path.gsub(/\\/, '/') end end end end