Use systemd for config mount (#37)

* Create mnt-config.mount

* Update hassos-config

* Update mnt-config.mount

* Update hassos-config

buildroot-external/rootfs-overlay/usr/sbin/hassos-config

@@ -1,15 +1,12 @@
 #!/bin/sh
-set -e
 
-# Check if hassos-config is present
-if ! findfs LABEL="hassos-config" > /dev/null; then
-    echo "[Warning] No hassos-config partition found!"
+# Mount config folder
+systemctl start mnt-config.mount
+if ! systemctl -q is-active mnt-config.mount; then
+    echo "[Warning] No config partition found"
     exit 0
 fi
 
-# Mount config partition
-mount -o ro LABEL="hassos-config" /mnt/config
-
 ##
 # NetworkManager
 if [ -d /mnt/config/network ]; then
@@ -18,7 +15,7 @@ if [ -d /mnt/config/network ]; then
     rm -rf /etc/NetworkManager/system-connections/*
     cp -f /mnt/config/network/* /etc/NetworkManager/system-connections/
 
-    nmcli con reload || true
+    nmcli con reload
 fi
 
 ##
@@ -54,4 +51,4 @@ if ls /mnt/config/*.raucb > /dev/null; then
 fi
 
 # Cleanup config partition
-umount /mnt/config
+systemctl stop mnt-config.mount