Android fastboot 查詢當前使用的ab槽

fastboot — Debian testing fastboot get active slot being installed to the opposite partition than you're currently on So active and you can fastboot getvar currentslot But I want without fastboot command My usecase is the bootloader need to check the currect active slot and set the proper suffix How can I do

fastboot get active slot active slot back However, I didn't know which partition slot was currently active A couple