Reference command permission to filter root suggestions (/via<tab>) (#3018)

bukkit/src/main/resources/plugin.yml

@@ -8,5 +8,6 @@ loadbefore: [ProtocolLib, ProxyPipe, SpigotLib, SkinRestorer]
 softdepend: [ProtocolSupport, PacketListenerApi]
 commands:
   viaversion:
+    permission: viaversion.admin # The permission is also referenced here to filter root suggestions (/via<tab>)
     description: Shows ViaVersion Version and more.
     aliases: [viaver, vvbukkit]

bungee/src/main/java/com/viaversion/viaversion/bungee/commands/BungeeCommand.java

@@ -25,7 +25,7 @@ public class BungeeCommand extends Command implements TabExecutor {
     private final BungeeCommandHandler handler;
 
     public BungeeCommand(BungeeCommandHandler handler) {
-        super("viaversion", "", "viaver", "vvbungee"); // The CommandHandler will handle the permission
+        super("viaversion", "viaversion.admin", "viaver", "vvbungee"); // The permission is also referenced here to filter root suggestions (/via<tab>)
         this.handler = handler;
     }
 

velocity/src/main/java/com/viaversion/viaversion/velocity/command/VelocityCommandHandler.java

@@ -41,4 +41,9 @@ public class VelocityCommandHandler extends ViaCommandHandler implements SimpleC
     public List<String> suggest(Invocation invocation) {
         return onTabComplete(new VelocityCommandSender(invocation.source()), invocation.arguments());
     }
+
+    @Override
+    public boolean hasPermission(Invocation invocation) {
+        return invocation.source().hasPermission("viaversion.admin"); // The permission is also referenced here to filter root suggestions (/via<tab>)
+    }
 }