From 905feb3701d5f6bab5ddb5a47a91e60a9322e069 Mon Sep 17 00:00:00 2001
From: Koen Kanters <koenkanters94@gmail.com>
Date: Sat, 14 Apr 2018 19:20:34 +0200
Subject: [PATCH] Add option to retain MQTT messages.

---
 data/configuration.yaml | 1 +
 index.js                | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/data/configuration.yaml b/data/configuration.yaml
index 9291a342c..001be26d0 100644
--- a/data/configuration.yaml
+++ b/data/configuration.yaml
@@ -2,6 +2,7 @@ default:
   mqtt: 
     server: "mqtt://localhost"
     base_topic: xiaomi
+    retain: false
   serial: 
     port: /dev/ttyACM0
   allowJoin: true
diff --git a/index.js b/index.js
index 17873d278..445f75476 100644
--- a/index.js
+++ b/index.js
@@ -190,7 +190,7 @@ function mqttPublish(topic, payload) {
     }
 
     logger.info(`MQTT publish, topic: '${topic}', payload: '${payload}'`);
-    client.publish(topic, payload);
+    client.publish(topic, payload, {retain: settings.mqtt.retain});
 }
 
 function writeConfig() {