added autoconfirm for upgrade

Added autoconfirm for upgrade to fix issue https://github.com/buanet/ioBroker.docker/issues/228

debian/scripts/maintenance.sh

@@ -129,6 +129,8 @@ switch_off() {
 
 # upgrade js-controller
 upgrade() {
+  if [ "$autoconfirm" == "no" ]
+  then 
     echo 'You are now going to upgrade your js-controller.'
     echo 'As this will change data in /opt/iobroker, make sure you have a backup!'
     echo 'During the upgrade process the container will automatically switch into maintenance mode and stop ioBroker.'
@@ -157,6 +159,32 @@ upgrade() {
     else
       exit 0
     fi
+  elif [ "$autoconfirm" == "yes" ]
+  then 
+     echo 'You are now going to upgrade your js-controller.'
+    echo 'As this will change data in /opt/iobroker, make sure you have a backup!'
+    echo 'During the upgrade process the container will automatically switch into maintenance mode and stop ioBroker.'
+    echo 'Depending of the restart policy, you container will be stoped/ restarted automatically after the upgrade.'
+    echo 'This command was already confirmed by -y or --yes option.'
+    echo 'Activating maintenance mode...'
+    echo "maintenance" > /opt/scripts/.docker_config/.healthcheck
+    sleep 1
+    echo 'Done.'
+    echo 'Stopping ioBroker...'
+    pkill -u iobroker
+    sleep 1
+    echo 'Done.'
+    echo 'Upgrading js-controller...'
+    iobroker update
+    iobroker upgrade self
+    sleep 1
+    echo 'Done.'
+    echo 'Container will be stopped/ restarted in 5 seconds...'
+    sleep 5
+    echo "stopping" > /opt/scripts/.docker_config/.healthcheck
+    pkill -u root
+    exit 0
+  fi
 }
 
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