write the current version and check if there's an update

entrypoint.sh

@@ -6,11 +6,30 @@ nginx
 
 NGINX_ROOT=/usr/share/nginx/html
 
+get_latest_release() {
+  curl --silent "https://api.github.com/repos/maddox/pluto-for-channels/releases/latest" |
+    grep '"tag_name":' | 
+    sed -E 's/.*"([^"]+)".*/\1/'
+}
+
 while :
 do
   node index.js
-  LAST_RAN=date
-  sed "s/XXX/$($LAST_RAN)/g" index.html > "$NGINX_ROOT/index.html"
+
+  CURRENT_VERSION=`cat VERSION`
+  LATEST_VERSION=`get_latest_release`
+  UPDATE_AVAILABLE=""
+  LAST_RAN=`date`  
+
+  if [ "$CURRENT_VERSION" != "$LATEST_VERSION" ]; then
+    UPDATE_AVAILABLE="\<a href='https\:\/\/github.com\/maddox\/pluto-for-channels\/releases\/tag\/$LATEST_VERSION'\>\<span class='tag is-warning'\\>UPDATE AVAILABLE\: $LATEST_VERSION\<\/span\>\<\/a\>"
+  fi
+
+  sed -e "s/LAST_RAN/$LAST_RAN/g" \
+  -e "s/VERSION/$CURRENT_VERSION/g" \
+  -e "s/UPDATE_AVAILABLE/$UPDATE_AVAILABLE/g" \
+  index.html > "$NGINX_ROOT/index.html"
+
   mv playlist.m3u "$NGINX_ROOT/playlist.m3u"
   mv epg.xml "$NGINX_ROOT/epg.xml"
   echo "Last ran: $($LAST_RAN)"