From 2a7b48822a42ce0c2baf0509b28e1026928380e0 Mon Sep 17 00:00:00 2001
From: Lukas Schauer <lukas@schauer.so>
Date: Sun, 10 Jan 2016 04:46:52 +0100
Subject: [PATCH] use -z instead of `== ""`.. it's late.

---
 letsencrypt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/letsencrypt.sh b/letsencrypt.sh
index 0944c47..bedef33 100755
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -515,7 +515,7 @@ main() {
     fi
   }
 
-  [[ "${@}" == "" ]] && eval set -- "--help"
+  [[ -z "${@}" ]] && eval set -- "--help"
 
   while (( "${#}" )); do
     case "${1}" in