best offense

Author: tabrisnet

lib/functions/general/extensions.sh

@@ -277,7 +277,7 @@ function initialize_extension_manager() {
 
 		for hook_point_function in ${hook_point_functions}; do
 			opt_out=false
-			if [[ ${#extension_optout[@]} -ne 0 ]]; then
+			if [[ -v extension_optout && ${#extension_optout[@]} -ne 0 ]]; then
 			# most common case this array is empty/non-existent, so bail out soonest
 				for func in "${extension_optout[@]}"; do
 					if [[ "$func" == "${hook_point}__${hook_point_function}" ]]; then