From f54d6545768a2a9d7feeb2e517e7a1dce084ceff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krist=C3=B3f=20T=C3=B3th?= <kristof.toth@avatao.com>
Date: Thu, 19 Apr 2018 17:01:59 +0200
Subject: [PATCH] Fix usage info printing in tfw.sh

---
 hack/tfw.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hack/tfw.sh b/hack/tfw.sh
index 96e1210..8474a43 100755
--- a/hack/tfw.sh
+++ b/hack/tfw.sh
@@ -128,7 +128,7 @@ start_test()
     wait
 }
 
-case $1 in
+case ${1:-} in
     buildtfw)
         build_baseimage
     ;;