From 7253ccc91382e64103308786980fc7c8e644d25d Mon Sep 17 00:00:00 2001
From: Alexandre <44178713+alexbelgium@users.noreply.github.com>
Date: Mon, 15 Nov 2021 22:58:54 +0100
Subject: [PATCH] Update 99-run.sh

---
 enedisgateway2mqtt/rootfs/scripts/99-run.sh | 36 +++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/enedisgateway2mqtt/rootfs/scripts/99-run.sh b/enedisgateway2mqtt/rootfs/scripts/99-run.sh
index 58598a1d6..421ea96d2 100644
--- a/enedisgateway2mqtt/rootfs/scripts/99-run.sh
+++ b/enedisgateway2mqtt/rootfs/scripts/99-run.sh
@@ -35,10 +35,42 @@ if bashio::config.true "test"; then
     fi
 
     # Create symlink
-    rm /data/config.yaml
+    [ -f /data/config.yaml ] && rm /data/config.yaml
     ln -s $CONFIGSOURCE /data
     echo "Symlink created"
-    
+
+    # Export all yaml entries as env variables
+    # Helper function
+    function parse_yaml {
+     local prefix=$2
+     local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
+     sed -ne "s|^\($s\):|\1|" \
+        -e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
+        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p"  $1 |
+     awk -F$fs '{
+      indent = length($1)/2;
+      vname[indent] = $2;
+      for (i in vname) {if (i > indent) {delete vname[i]}}
+      if (length($3) > 0) {
+         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
+         printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3);
+      }
+     }'
+    }
+   
+    # Get variables and export
+    bashio::log.info "Starting the app with the variables in /config/enedisgateway2mqtt"
+    for word in $(parse_yaml $CONFIGSOURCE); do
+    # Data validation
+    if [[ $word =~ ^.+[=].+$ ]]; then
+        export $word # Export the variable
+        bashio::log.blue "$word"
+    else
+        bashio::log.fatal "$word does not follow the structure KEY=text, it will be ignored and removed from the config"
+        sed -i "/$word/ d" ${CONFIGSOURCE}
+    fi
+    done
+
 fi
 
 #################