From fd2ecb420c438ba8946ab4d20e34bb66d2c3f694 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20Sch=C3=A4ferdiek?= <alexander@schaeferdiek.eu>
Date: Sun, 10 Jul 2022 18:35:26 +0200
Subject: [PATCH] Fix dynv6 script

---
 usr/local/bin/dynv6 | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/usr/local/bin/dynv6 b/usr/local/bin/dynv6
index ab8e2d0..6bce31b 100755
--- a/usr/local/bin/dynv6
+++ b/usr/local/bin/dynv6
@@ -64,35 +64,35 @@ source_config() {
 }
 
 apply_defaults() {
-  if [ -z ${DYNV6_MAIL_ENABLED} ]; then
+  if [ -z "${DYNV6_MAIL_ENABLED}" ]; then
     DYNV6_MAIL_ENABLED=false;
   fi
-  if [ -z ${DYNV6_MAIL_ADDRESS} ]; then
+  if [ -z "${DYNV6_MAIL_ADDRESS}" ]; then
     DYNV6_MAIL_ADDRESS="";
   fi
-  if [ -z ${DYNV6_TOKEN} ]; then
+  if [ -z "${DYNV6_TOKEN}" ]; then
     DYNV6_TOKEN="";
   fi
-  if [ -z ${DYNV6_HOSTNAME} ]; then
+  if [ -z "${DYNV6_HOSTNAME}" ]; then
     DYNV6_HOSTNAME="";
   fi
-  if [ -z ${DYNV6_IPV4_ENABLED} ]; then
+  if [ -z "${DYNV6_IPV4_ENABLED}" ]; then
     DYNV6_IPV4_ENABLED=true;
   fi
-  if [ -z ${DYNV6_IPV6_ENABLED} ]; then
+  if [ -z "${DYNV6_IPV6_ENABLED}" ]; then
     DYNV6_IPV6_ENABLED=true;
   fi
-  if [ -z ${DYNV6_IPV6_INTERFACE} ]; then
+  if [ -z "${DYNV6_IPV6_INTERFACE}" ]; then
     DYNV6_IPV6_INTERFACE="eth0";
   fi
 }
 
 check_required() {
-    if [ -z ${DYNV6_TOKEN} ]; then
+    if [ -z "${DYNV6_TOKEN}" ]; then
       echo "DYNV6_TOKEN is required"
       exit 1;
     fi
-    if [ -z ${DYNV6_HOSTNAME} ]; then
+    if [ -z "${DYNV6_HOSTNAME}" ]; then
       echo "DYNV6_HOSTNAME is required"
       exit 1;
     fi