"Firmware upgraded successfully..." from script

Yes, there’s always an upgrade available.
I want to know if the upgrade has been applied already. First situation:

[admin@Mikrotik] > /system routerboard print 
       routerboard: yes
             model: CCR1009-7G-1C-1S+
     serial-number: 849708XXXXXX
     firmware-type: tilegx
  factory-firmware: 3.41
  current-firmware: 6.49
  upgrade-firmware: 6.49.1

Second situation:

[admin@Mikrotik] > /system routerboard print 
                ;;; Firmware upgraded successfully, please reboot for changes to take effect!
       routerboard: yes
             model: CCR1009-7G-1C-1S+
     serial-number: 849708XXXXXX
     firmware-type: tilegx
  factory-firmware: 3.41
  current-firmware: 6.49
  upgrade-firmware: 6.49.1

How to tell the difference from script?