From 89af3c89e8bad3b9eb4c07f09796e34ad57c7492 Mon Sep 17 00:00:00 2001
From: "Clarence \"Sparr\" Risher" <sparr0@gmail.com>
Date: Sat, 28 Dec 2024 20:56:52 -0500
Subject: [PATCH] Avoid error when CUPROTOCOMPAT is empty (#1204)

---
 steamtinkerlaunch | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/steamtinkerlaunch b/steamtinkerlaunch
index 392f0942..151fbbac 100755
--- a/steamtinkerlaunch
+++ b/steamtinkerlaunch
@@ -7,7 +7,7 @@
 PREFIX="/usr"
 PROGNAME="SteamTinkerLaunch"
 NICEPROGNAME="Steam Tinker Launch"
-PROGVERS="v14.0.20241025-1"
+PROGVERS="v14.0.20241228-1"
 PROGCMD="${0##*/}"
 PROGINTERNALPROTNAME="Proton-stl"
 SHOSTL="stl"
@@ -4403,7 +4403,7 @@ function needNewProton {
 }
 
 function dlCustomProton {
-	if [ "$CUPROTOCOMPAT" -eq 1 ]; then
+	if [[ -n "$CUPROTOCOMPAT" && "$CUPROTOCOMPAT" -eq 1 ]]; then
 		CUPROEXTDIR="$STEAMCOMPATOOLS"
 	else
 		CUPROEXTDIR="$CUSTPROTEXTDIR"