Paper/Spigot-Server-Patches/0722-Send-empty-commands-if-tab-completion-is-disabled.patch

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/CommandDispatcher.java b/src/main/java/net/minecraft/commands/CommandDispatcher.java
index 988d1c9e9f4f29325043eb083123d12dd5f8081d..29a395e69aab9c50a45c5fd5ab8795fd8e3ef727 100644
--- a/src/main/java/net/minecraft/commands/CommandDispatcher.java
+++ b/src/main/java/net/minecraft/commands/CommandDispatcher.java
@@ -326,7 +326,12 @@ public class CommandDispatcher {
     }
 
     public void a(EntityPlayer entityplayer) {
-        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
+            entityplayer.playerConnection.sendPacket(new PacketPlayOutCommands(new RootCommandNode<>()));
+            return;
+        }
+        // Paper end
         // CraftBukkit start
         // Register Vanilla commands into builtRoot as before
         // Paper start - Async command map building