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 e2f18b5bf1e091fe5fd868520a6d1bcc2669c24c..1d880a80348527d036b6f8b04f7dd1c4a479fcfd 100644
--- a/src/main/java/net/minecraft/commands/Commands.java
+++ b/src/main/java/net/minecraft/commands/Commands.java
@@ -327,7 +327,12 @@ 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