getvar: fix broken 'fastboot flash' when partition has slots

To get the current active slot adb shell getprop slot_suffix or fastboot getvar current-slot Rukbat Retired Moderator Feb 12

C:platform-tools>fastboot getvar current-slot current-slot: b Finished Total time: C:platform-tools>fastboot --set-active=a

fastboot get active slot and via fastboot: fastboot getvar current-slot At any time we can switch to the next inactive slot using: fastboot set_active other , or we can use: fastboot

fastboot_ error_ failed to identify current slot getvar variable> Display a bootloader variable set_active suffix> Sets 'other' can be given to refer to a non-current slot If this flag is not