From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Mon, 26 Apr 2021 01:27:08 +0100
Subject: [PATCH] Send empty commands if tab completion is disabled


diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
index d6da53fffd7c0a5a971e4510b7d433ea2cca06d2..edf980cf8992ddfe003ced279fe1324fc2364e5a 100644
--- a/src/main/java/net/minecraft/commands/Commands.java
+++ b/src/main/java/net/minecraft/commands/Commands.java
@@ -359,7 +359,12 @@ public class Commands {
     }
 
     public void sendCommands(ServerPlayer player) {
-        if ( org.spigotmc.SpigotConfig.tabComplete < 0 ) return; // Spigot
+        // Paper start - Send empty commands if tab completion is disabled
+        if ( org.spigotmc.SpigotConfig.tabComplete < 0 ) { //return; // Spigot
+            player.connection.send(new ClientboundCommandsPacket(new RootCommandNode<>()));
+            return;
+        }
+        // Paper end
         // CraftBukkit start
         // Register Vanilla commands into builtRoot as before
         // Paper start - Async command map building