class ChefConfig::PathHelper

def self.escape_glob(*parts)

http://stackoverflow.com/questions/14127343
to be escaped before globbing can be done.
Paths which may contain glob-reserved characters need
Note: this method is deprecated. Please use escape_glob_dirs 
def self.escape_glob(*parts)
  path = cleanpath(join(*parts))
  path.gsub(/[\\\{\}\[\]\*\?]/) { |x| "\\" + x }
end