The bash on one of my machines didn't understand the question mark correctly, it didn't end up accepting flavor. We can spell it out explicitly.
@@ -13,7 +13,7 @@ do
export TOR_DIR="$2"
shift
;;
- --flavo?r|--network-flavo?r)
+ --flavor|--flavour|--network-flavor|--network-flavour)
export NETWORK_FLAVOUR="$2"