detect internet on setup

README.md

@@ -383,7 +383,6 @@ What you do is in priciple:
 
 This is highly experimental. And again: If you restore the LND with an backup that is not representing the latest channel state, this will trigger the lightning "penalty" mechanism - allowing your channel counter part to grab all the funds from a channel. Its a measure of last resort. But if its working for you, let us know.
 
-
 ## Mobile Development: Connect RaspiBlitz without a Router/Switch
 
 To connect a RaspiBlitz directly (without a router/switch) to your laptop and share the WIFI internet connection, you can follow this [guide for OSX](https://medium.com/@tzhenghao/how-to-ssh-into-your-raspberry-pi-with-a-mac-and-ethernet-cable-636a197d055). In short:

home.admin/00infoLCD.sh

@@ -73,8 +73,14 @@ while :
     # before setup even started
     if [ ${setupStep} -eq 0 ]; then
 
+      # check for internet connection
+      # https://en.wikipedia.org/wiki/1.1.1.1
+      online=$(ping 1.1.1.1 -c 1 -W 2 | grep -c '1 received')
+      if [ ${online} -eq 0 ]; then
+        message="no internet connection"
+
       # when in presync - get more info on progress
-      if [ "${state}" = "presync" ]; then
+      elif [ "${state}" = "presync" ]; then
         # get blockchain sync progress
         blockchaininfo="$(sudo -u root bitcoin-cli -conf=/home/admin/assets/bitcoin.conf getblockchaininfo 2>/dev/null)"
         message="starting"
@@ -83,15 +89,13 @@ while :
           message=$(echo "${message}*100" | bc)
           message="${message}%"
         fi
-      fi
 
       # when old data - improve message
-      if [ "${state}" = "olddata" ]; then
+      elif [ "${state}" = "olddata" ]; then
           message="login for manual migration"
-      fi
 
       # when no HDD - improve message
-      if [ "${state}" = "nohdd" ]; then
+      elif [ "${state}" = "nohdd" ]; then
           message="Connect HHD"
       fi