anchor.diff:          # getty.target didn't actually pull it in.
           Before=getty.target
           IgnoreOnIsolate=yes
  +
  +        ConditionPathExists=/dev/tty0
   
           [Service]
           Environment=TERM=linux
  
positive.code:         KillSignal=SIGHUP
        '';
      
      environment.etc = singleton
        { # Friendly greeting on the virtual consoles.
          source = pkgs.writeText "issue" ''
  
negative.code:         '';
        };
  
        # FIXME: not implemented with systemd
        waitOnMounts = mkOption {
          default = false;
          description = ''
  