terap with echo

Ventoy/CloneToDisk.sh

@@ -49,10 +49,8 @@ cleanup() {
     umount -lf /mnt/debian/boot/efi 2>/dev/null || true
     umount -lf /mnt/debian/boot 2>/dev/null || true
     umount -lf /mnt/debian 2>/dev/null || true
-
-    echo $?
 }
-trap cleanup EXIT
+trap 'echo "$?"; cleanup;' EXIT
 
 # Set your target disk here
 udevadm trigger