SpigotCore_Main/src/de/steamwar/command/SWCommand.java

@@ -65,12 +65,18 @@ public class SWCommand<T extends CommandSender> {
     }
 
     public List<String> tabComplete(String[] args) {
-        if (args.length > arguments.length) return new ArrayList<>();
-        for (int i = 0; i < args.length - 1; i++) {
+        if (args.length > arguments.length && !lastArgRepeatable) {
+            return new ArrayList<>();
+        }
+        for (int i = 0; i < Math.min(args.length - 1, arguments.length - 1); i++) {
             if (!arguments[i].valueSupplier(args[i]).isPresent()) return new ArrayList<>();
         }
-        int index = args.length - 1;
-        return arguments[index].tabCompleteSupplier(args[index]).orElseGet(ArrayList::new);
+        if (lastArgRepeatable) {
+            for (int i = arguments.length; i < args.length; i++) {
+                if (!arguments[arguments.length - 1].valueSupplier(args[i]).isPresent()) return new ArrayList<>();
+            }
+        }
+        return arguments[arguments.length - 1].tabCompleteSupplier(args[args.length - 1]).orElseGet(ArrayList::new);
     }
 
     public static <T extends CommandSender> boolean execute(List<SWCommand<T>> swCommandList, T sender, String[] args) {