Update entrypoint.sh

gazpar2mqtt/rootfs/entrypoint.sh

@@ -1,6 +1,38 @@
 #!/bin/bash
 
-echo "Starting scripts :"
+echo "Starting..."
+
+###################################
+# Export all addon options as env #
+###################################
+
+# For all keys in options.json
+JSONSOURCE="/data/options.json"
+
+# Export keys as env variables
+echo "All addon options were exported as variables"
+mapfile -t arr < <(jq -r 'keys[]' ${JSONSOURCE})
+for KEYS in ${arr[@]}; do
+        # export key
+        export $(echo "${KEYS}=$(jq .$KEYS ${JSONSOURCE})")
+done 
+
+################
+# Set timezone #
+################
+if [ ! -z "TZ" ]; then
+    if [ -f /usr/share/zoneinfo/$TZ ]; then
+        echo "Timezone set from $(cat /etc/timezone) to $TZ"
+        ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+    else
+    echo "WARNING : Timezone $TZ is invalid, it will be kept to default value of $(cat /etc/timezone)"
+    fi
+fi
+
+####################
+# Starting scripts #
+####################
+
 for SCRIPTS in scripts/*; do
   [ -e "$SCRIPTS" ] || continue
   echo "$SCRIPTS: executing"