From e7e637531e55d270f3f11858f5d43ebf52d29830 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Sun, 26 Jul 2026 07:07:03 +0200
Subject: [PATCH] fix: Avoid pipefail when reading boot load size (#1988)

---
 src/image.sh | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/image.sh b/src/image.sh
index c2634d4f..2f1f9cad 100644
--- a/src/image.sh
+++ b/src/image.sh
@@ -1191,15 +1191,14 @@ getBootLoadSize() {
 
   local iso="$1"
   local desc="$2"
-  local value
+  local boot_info value
 
-  value=$(
-    isoinfo -d -i "$iso" |
-      awk '/Nsect / { print $NF; exit }'
-  ) || {
+  if ! boot_info=$(isoinfo -d -i "$iso"); then
     error "Failed to read boot image information from $desc ISO!"
     return 1
-  }
+  fi
+
+  value=$(awk '/Nsect / { print $NF; exit }' <<< "$boot_info")
 
   if [ -z "$value" ]; then
     error "Failed to determine boot image load size from $desc ISO!"