From 6181ee429ae542bf32a5992aa527b00c217cd9af Mon Sep 17 00:00:00 2001
From: Abdessamad Derraz <3028866+Abdess@users.noreply.github.com>
Date: Tue, 20 Oct 2026 10:37:30 +0200
Subject: [PATCH] chore: keep MAME's support trees whole

hash/ and plugins/ are read by path as a whole, and two MAME versions share most software lists byte for byte. Dedup would leave one tree incomplete.
---
 scripts/dedup.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/dedup.py b/scripts/dedup.py
index deee40b1..7c7f9a2f 100644
--- a/scripts/dedup.py
+++ b/scripts/dedup.py
@@ -67,6 +67,9 @@ NODEDUP_DIRS = {
     # Abyss shareware bytes under the retail names, and each game opens
     # its own copy.
     "Softdisk",
+    # MAME's support trees (hash, plugins) are read by path as a whole, and
+    # two MAME versions share most of their software lists byte for byte.
+    "mame",
 }