From beff4d4596645fe4ebc0cfec064689b9cc54a2e3 Mon Sep 17 00:00:00 2001
From: osm0sis <osm0sis@outlook.com>
Date: Tue, 8 Jun 2021 16:24:20 -0300
Subject: [PATCH] AK3: ensure dtbo does not get flashed twice in
 multi-partition setups

---
 tools/ak3-core.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/ak3-core.sh b/tools/ak3-core.sh
index 88c57bf..5df701f 100755
--- a/tools/ak3-core.sh
+++ b/tools/ak3-core.sh
@@ -418,12 +418,13 @@ flash_dtbo() {
     fi;
   done;
 
-  if [ "$dtbo" ]; then
+  if [ "$dtbo" -a ! -f dtbo_flashed ]; then
     dtboblock=/dev/block/bootdevice/by-name/dtbo$slot;
     if [ ! -e "$dtboblock" ]; then
       abort "dtbo partition could not be found. Aborting...";
     fi;
     blockdev --setrw $dtboblock 2>/dev/null;
+    ui_print " " "$dtboblock";
     if [ -f "$bin/flash_erase" -a -f "$bin/nandwrite" ]; then
       $bin/flash_erase $dtboblock 0 0;
       $bin/nandwrite -p $dtboblock $dtbo;
@@ -436,6 +437,7 @@ flash_dtbo() {
     if [ $? != 0 ]; then
       abort "Flashing dtbo failed. Aborting...";
     fi;
+    touch dtbo_flashed;
   fi;
 }
 ### write_boot (repack ramdisk then build, sign and write image and dtbo)