class ChefConfig::PathHelper

See self.all_homes.

that subsequent calls to home_dir don't bounce around.
Home-path discovery is performed once. If a path is discovered, that value is memoized so

valid and the result of the block is returned instead.
If an optional block is provided, the joined path is passed to that block if the home path is

homepath exists.
If a set of path elements is provided, they are appended as-is to the home path if the

If the home directory doesn't exist or an error is otherwise encountered, nil is returned.
of said directory. The path returned uses / for all separators (the ruby standard format).
Retrieves the "home directory" of the current user while trying to ascertain the existence

def self.home(*args)
  @@home_dir ||= all_homes { |p| break p }
  if @@home_dir
    path = File.join(@@home_dir, *args)
    block_given? ? (yield path) : path
  end
end