Show possible variants

src/freedombone

     fi
 
     if [[ $(is_valid_variant) == "0" ]]; then
-        echo $"'$SYSTEM_TYPE' is an unrecognised ${PROJECT_NAME} variant."
+        echo $"'$SYSTEM_TYPE' is an unrecognised ${PROJECT_NAME} variant. Possible variants are:"
+        show_available_variants
         exit 367245
     fi
 }

src/freedombone-utils-help

     echo $'     --ns2              Second DNS nameserver'
     echo $'     --repo             Debian repository'
     echo ''
+    echo 'Possible variants are:'
+    show_available_variants
     exit 0
 }
 

src/freedombone-utils-selector

     return "0"
 }
 
+function show_available_variants {
+    available_variants_list=()
+    available_system_variants
+
+    for variant_str in "${available_variants_list[@]}"
+    do
+        echo "  $variant_str"
+    done
+}
+
 # mark a given app as having been removed so that it doesn't get reinstalled on updates
 function remove_app {
     app_name=$1