From 85bacbec63856ccfb08d3cba5b798d3bfdb3e419 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Wed, 13 May 2026 08:28:18 +0200
Subject: [PATCH] fix: Check if VERSION variable is empty (#1718)

---
 src/define.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/define.sh b/src/define.sh
index 555f9d7..47b00a8 100644
--- a/src/define.sh
+++ b/src/define.sh
@@ -24,7 +24,7 @@ parseVersion() {
     VERSION="${VERSION:1:-1}"
   fi
 
-  VERSION=$(expr "$VERSION" : "^\ *\(.*[^ ]\)\ *$")
+  [ -n "$VERSION" ] && VERSION=$(expr "$VERSION" : "^\ *\(.*[^ ]\)\ *$")
   [ -z "$VERSION" ] && VERSION="win11"
 
   case "${VERSION,,}" in
@@ -138,7 +138,7 @@ parseVersion() {
     "nano11" | "nano 11" )
       VERSION="nano11"
       [ -z "$DETECTED" ] && DETECTED="win11x64"
-      ;;      
+      ;;
     "core11" | "core 11" )
       VERSION="core11"
       [ -z "$DETECTED" ] && DETECTED="win11x64"