    # File lib/chef/client.rb, line 316
        def enforce_path_sanity(env=ENV)
          if Chef::Config[:enforce_path_sanity] && RUBY_PLATFORM !~ /mswin|mingw32|windows/
            existing_paths = env["PATH"].split(':')
            SANE_PATHS.each do |sane_path|
              unless existing_paths.include?(sane_path)
                env_path = env["PATH"].dup
                env_path << ':' unless env["PATH"].empty?
                env_path << sane_path
                env["PATH"] = env_path
              end
            end
          end
        end