From 5c8623aefecbd2685794e088cd3028d108d193a7 Mon Sep 17 00:00:00 2001
From: rlaphoenix <rlaphoenix@pm.me>
Date: Sat, 12 Nov 2022 09:06:54 +0000
Subject: [PATCH] Warn if a Game Title ID is manually specified

It already re-rolls the title ID in this case, if no title ID was manually provided.
---
 nton/main.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nton/main.py b/nton/main.py
index 6fd1ebf..9611f9a 100644
--- a/nton/main.py
+++ b/nton/main.py
@@ -96,6 +96,8 @@ def build(
         if id_ in system_title_ids.ALL_SYSTEM:
             log.critical(f"The Title ID \"{id_}\" is a reserved System Title! Using it is unsafe!")
             return 2
+        if id_ in system_title_ids.game_title_ids:
+            log.warning(f"The Title ID \"{id_}\" is already used by \"{system_title_ids.game_title_ids[id_]}\".")
     else:
         id_ = "0100000000000000"
         while id_ in system_title_ids.ALL: