#4872 FS expand only when booti from sd card

home.admin/_bootstrap.sh

@@ -384,14 +384,16 @@ done
 # extend sd card to maximum capacity
 ################################
 
-source <(/home/admin/config.scripts/blitz.bootdrive.sh status)
+isBootingFromSD=$(lsblk | grep mmcblk0 | grep -c "/boot")
-if [ "${needsExpansion}" == "1" ] && [ "${fsexpanded}" == "0" ]; then
+if [ ${isBootingFromSD} -gt 0 ]; then
+  source <(/home/admin/config.scripts/blitz.bootdrive.sh status)
+  if [ "${needsExpansion}" == "1" ] && [ "${fsexpanded}" == "0" ]; then
     echo "FSEXPAND needed ... starting process" >> $logFile
     /home/admin/config.scripts/blitz.bootdrive.sh status >> $logFile
     /home/admin/config.scripts/blitz.bootdrive.sh fsexpand >> $logFile
     systemInitReboot=1
     /home/admin/_cache.sh set message "FSEXPAND"
-elif [ "${tooSmall}" == "1" ]; then
+  elif [ "${tooSmall}" == "1" ]; then
     echo "# FAIL #######" >> $logFile
     echo "SDCARD TOO SMALL 16GB minimum" >> $logFile
     echo "##############" >> $logFile
@@ -399,10 +401,13 @@ elif [ "${tooSmall}" == "1" ]; then
     echo "System stopped. Please cut power." >> $logFile
     sleep 6000
     shutdown -r now
-  slepp 100
+    sleep 100
     exit 1
-else
+  else
     echo "No FS EXPAND needed. needsExpansion(${needsExpansion}) fsexpanded(${fsexpanded})" >> $logFile
+  fi
+else
+  echo "Not running on an SD card. Skipping FS EXPAND check." >> $logFile
 fi
 
 # now that HDD/SSD is connected ... if relevant data from a previous RaspiBlitz was available