From db61a623d5d351e165239d5e9bd90f48c0cad9fe Mon Sep 17 00:00:00 2001
From: Jorge Schrauwen <sjorge@blackdot.be>
Date: Mon, 2 Aug 2021 09:38:08 +0200
Subject: [PATCH] Allow non systemctl systems to use update.sh (#8206)

With this change update.sh works on systems that do not use systemctl.
I can update z2m on my illumos machine by running `svcadm disable zigbee2mqtt; ./update.sh ; svcadm enable zigbee2mqtt`
---
 update.sh | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/update.sh b/update.sh
index 8ab2d47cc..1cd10ee6a 100755
--- a/update.sh
+++ b/update.sh
@@ -7,8 +7,12 @@ if [ -d data-backup ]; then
    exit 1
 fi
 
-echo "Stopping Zigbee2MQTT..."
-sudo systemctl stop zigbee2mqtt
+if which systemctl 2> /dev/null > /dev/null; then
+       echo "Stopping Zigbee2MQTT..."
+       sudo systemctl stop zigbee2mqtt
+else
+       echo "Skipped stopping Zigbee2MQTT, no systemctl found"
+fi
 
 echo "Creating backup of configuration..."
 cp -R data data-backup
@@ -24,7 +28,11 @@ echo "Restore configuration..."
 cp -R data-backup/* data
 rm -rf data-backup
 
-echo "Starting Zigbee2MQTT..."
-sudo systemctl start zigbee2mqtt
+if which systemctl 2> /dev/null > /dev/null; then
+       echo "Starting Zigbee2MQTT..."
+       sudo systemctl start zigbee2mqtt
+else
+       echo "Skipped starting Zigbee2MQTT, no systemctl found"
+fi
 
 echo "Done!"