is_true $EFI_STUB || return 0 # If USING_UEFI_BOOTLOADER is not set until this stage, we will imply # "true" value, otherwise we will respect current value. # We will even respect if user set (for whatever reason) USING_UEFI_BOOTLOADER=0 (false). test -z $USING_UEFI_BOOTLOADER && USING_UEFI_BOOTLOADER=1 # It does not make any sense to trying EFISTUB without EFI boot enabled. is_true $USING_UEFI_BOOTLOADER || Error "EFI_STUB: EFI checks failed, try to set USING_UEFI_BOOTLOADER=y"