Check for interactive shell

src/freedombone-image

@@ -313,6 +313,11 @@ function mesh_router_setup_script {
       echo 'WIFI_CHANNEL=9'; } > "$mesh_script_filename"
 }
 
+if [[ $- != *i* ]]; then
+    echo $'The image command should be run within an interactive shell'
+    exit 975683
+fi
+
 while [ $# -gt 1 ]
 do
     key="$1"