AK3+Backend: fix truncated recovery.log with FlashAfterUpdate

META-INF/com/google/android/update-binary

@@ -17,7 +17,7 @@ test "$ANDROID_ROOT" || ANDROID_ROOT=/system;
 ui_print() {
   until [ ! "$1" ]; do
     echo "ui_print $1
-      ui_print" > $OUTFD;
+      ui_print" >> $OUTFD;
     shift;
   done;
 }
@@ -26,7 +26,7 @@ ui_printfile() {
     ui_print "$line";
   done < $1;
 }
-show_progress() { echo "progress $1 $2" > $OUTFD; }
+show_progress() { echo "progress $1 $2" >> $OUTFD; }
 file_getprop() { $BB grep "^$2=" "$1" | $BB cut -d= -f2-; }
 setup_mountpoint() {
   test -L $1 && $BB mv -f $1 ${1}_link;

tools/ak3-core.sh

@@ -16,7 +16,7 @@ split_img=$home/split_img;
 ui_print() {
   until [ ! "$1" ]; do
     echo -e "ui_print $1
-      ui_print" > /proc/self/fd/$OUTFD;
+      ui_print" >> /proc/self/fd/$OUTFD;
     shift;
   done;
 }