From 751fae1343d75c63a0595974686c8fe62d582831 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Fri, 7 Aug 2026 06:40:13 +0200
Subject: [PATCH] fix: Handle answer files without product keys (#2097)

---
 src/answer.sh | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/answer.sh b/src/answer.sh
index c5ea5df3..0012bce4 100644
--- a/src/answer.sh
+++ b/src/answer.sh
@@ -1198,7 +1198,15 @@ removeEmbeddedProductKeys() {
 
   local product_keys='//u:ProductKey'
   local separator=$'\x1f' delete_xpath=""
-  local records position child_key direct_key
+  local count records position child_key direct_key
+
+  count=$(xmlstarlet sel \
+    -N "$XML_NS_UNATTEND_ARG" -T -t \
+    -v "count($product_keys)" \
+    "$asset") || return 1
+
+  [[ "$count" =~ ^[0-9]+$ ]] || return 1
+  (( count == 0 )) && return 0
 
   records=$(xmlstarlet sel \
     -N "$XML_NS_UNATTEND_ARG" -T -t \