From 45660f4ff661b8daeed1a9fc35e797ec0de7bdbd Mon Sep 17 00:00:00 2001
From: Timon Ringwald <timon.ringwald@mequen.de>
Date: Mon, 15 Aug 2022 14:06:10 +0200
Subject: [PATCH] handle empty string slice parameter

---
 slices.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slices.go b/slices.go
index fafda53..eabe60f 100644
--- a/slices.go
+++ b/slices.go
@@ -7,7 +7,7 @@ import (
 )
 
 func StringSlice(key, sep string) []string {
-	if v, ok := os.LookupEnv(key); ok {
+	if v, ok := os.LookupEnv(key); ok && strings.TrimSpace(v) != "" {
 		return strings.Split(v, sep)
 	}
 	return []string{}