homematic: persist groups (#1744)

This persists the groups.gson used for thermostat groups by symlinking it into the data directory.

homematic/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 11.0.6
+
+- Persist groups
+
 ## 11.0.5
 
 - Skip HmIP firmware update for udev path

homematic/config.json

@@ -1,6 +1,6 @@
 {
   "name": "HomeMatic CCU",
-  "version": "11.0.5",
+  "version": "11.0.6",
   "slug": "homematic",
   "description": "HomeMatic central based on OCCU",
   "url": "https://github.com/home-assistant/hassio-addons/tree/master/homematic",

homematic/rootfs/etc/cont-init.d/env.sh

@@ -10,10 +10,13 @@ mkdir -p /data/rfd
 mkdir -p /data/hs485d
 mkdir -p /data/userprofiles
 
-ln -s /data/userprofiles /etc/config/userprofiles
-
 # Init files
+touch /data/groups.json
 touch /data/hmip_user.conf
 touch /data/rega_user.conf
 touch /data/homematic.regadom
 touch /data/userprofiles/userAckInstallWizard_Admin
+
+# Persist
+ln -s /data/userprofiles /etc/config/userprofiles
+ln -s /data/groups.gson /opt/hm/etc/config/groups.gson