From 3cdd4c24c5fa8e40f6c88fd28f69b3bb7da4df2e Mon Sep 17 00:00:00 2001
From: "Dustin C. Hatch" <dustin@hatch.name>
Date: Fri, 13 Dec 2024 19:17:21 -0600
Subject: [PATCH] install-update: Do not use find -printf

Busybox `find` does not implement `-printf`.  We have to use `awk` to
get the base name of the file from its path.
---
 install-update.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/install-update.sh b/install-update.sh
index 92d9eee..9192af6 100755
--- a/install-update.sh
+++ b/install-update.sh
@@ -20,7 +20,8 @@ set_default_boot() {
     _rc=0
     mkdir -p newroot || return
     mount -oro "$1" newroot || return
-    _kernel=$(find newroot/boot -name 'vmlinuz-*' -printf '%P\n' \
+    _kernel=$(find newroot/boot -name 'vmlinuz-*' \
+        | awk -F/ '{print $NF}' \
         | sort -V \
         | tail -n1
     )