AK3: add option to skip vbmeta patching while avb is enabled

Signed-off-by: engstk <[email protected]>

Author: engstk

META-INF/com/google/android/updater-script

@@ -3,4 +3,4 @@
 # Dummy file; update-binary is a shell script (DO NOT CHANGE)
 #
 #
-# AK_BASE_VERSION=20241012
+# AK_BASE_VERSION=20241014

README.md

@@ -61,6 +61,8 @@ __supported.patchlevels=__ and __supported.vendorpatchlevels=__ will match again
 
 `NO_MAGISK_CHECK=1` may be added to disable detection of Magisk and related kernel/dtb repatching for special zips which don't require that.
 
+`NO_VBMETA_CHECK=1` may be added to disable vbmeta process when using lptools/httools, since GKI is bootable with verity/verification ON, as long avb is not enforced for boot stage kernel partitions
+
 ## // Command Methods ##
 ```
 ui_print "<text>" [...]

tools/ak3-core.sh

@@ -483,7 +483,7 @@ flash_generic() {
     if [ "$path" == "/dev/block/mapper" ]; then
       avb=$(httools_static avb $1);
       [ $? == 0 ] || abort "Failed to parse fstab entry for $1. Aborting...";
-      if [ "$avb" ]; then
+      if [ "$avb" ] && [ ! "$NO_VBMETA_CHECK" ]; then
         flags=$(httools_static disable-flags);
         [ $? == 0 ] || abort "Failed to parse top-level vbmeta. Aborting...";
         if [ "$flags" == "enabled" ]; then
@@ -820,7 +820,8 @@ setup_ak() {
   [ "$slot_select" ] && SLOT_SELECT="$slot_select";
   [ "$no_block_display" ] && NO_BLOCK_DISPLAY="$no_block_display";
   [ "$no_magisk_check" ] && NO_MAGISK_CHECK="$no_magisk_check";
-  unset block is_slot_device ramdisk_compression patch_vbmeta_flag customdd slot_select no_block_display no_magisk_check;
+  [ "$no_vbmeta_check" ] && NO_VBMETA_CHECK="$no_vbmeta_check";
+  unset block is_slot_device ramdisk_compression patch_vbmeta_flag customdd slot_select no_block_display no_magisk_check no_vbmeta_check;
 
   # slot detection enabled by IS_SLOT_DEVICE=1 or auto (from anykernel.sh)
   case $IS_SLOT_DEVICE in