From 566ea4cb614faf71140575998fd19c78864285e4 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Mon, 22 Apr 2024 12:12:09 +0200
Subject: [PATCH] fix: Check returnvalue

---
 src/install.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/install.sh b/src/install.sh
index 51452d1..d55c2c2 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -258,7 +258,9 @@ finishInstall() {
   local aborted="$2"
 
   # Mark ISO as prepared via magic byte
-  printf '\x16' | dd of="$iso" bs=1 seek=0 count=1 conv=notrunc status=none
+  if ! printf '\x16' | dd of="$iso" bs=1 seek=0 count=1 conv=notrunc status=none; then
+    error "Failed to set magic byte!"
+  fi
 
   rm -f "$STORAGE/windows.boot"
   cp /run/version "$STORAGE/windows.ver"