From 9ab1d5f6895ed58a049c7c8da601d3719a54de0d Mon Sep 17 00:00:00 2001
From: PICCORO Lenz McKAY <mckaygerhard@gmail.com>
Date: Sat, 7 Jan 2023 18:03:45 -0400
Subject: [PATCH] Don't allow banning in singleplayer

* fixes https://github.com/minetest/minetest/issues/11819)
---
 builtin/game/chatcommands.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/builtin/game/chatcommands.lua b/builtin/game/chatcommands.lua
index e119d59be..3ba03394b 100644
--- a/builtin/game/chatcommands.lua
+++ b/builtin/game/chatcommands.lua
@@ -845,6 +845,9 @@ core.register_chatcommand("ban", {
 		if not core.get_player_by_name(param) then
 			return false, "No such player."
 		end
+		if core.is_singleplayer() then
+			return false, "You cannot ban players in singleplayer!"
+		end
 		if not core.ban_player(param) then
 			return false, "Failed to ban player."
 		end