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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
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