user_provider.rb

      begin
        require 'ruby-shadow'
        user_pw = u['password']
      rescue LoadError
        user_pw = nil
      end

      # Create user object.
      # Do NOT try to manage null home directories.
      user u['id'] do
        uid u['uid']
        if u['gid']
          gid u['gid']
        end
        shell u['shell']
        password user_pw
        comment u['comment']
        if home_dir == "/dev/null"
          supports :manage_home => false
        else
          supports :manage_home => true
        end
        home home_dir
      end