libretro.mame: unstable-2024-05-03 -> unstable-2024-05-04

pkgs/applications/emulators/retroarch/hashes.json

@@ -408,10 +408,11 @@
         "src": {
             "owner": "libretro",
             "repo": "mame",
-            "rev": "4f9cd11f9c6bbf805886e26529e5f8c8e1c23d1d",
-            "hash": "sha256-pS9kmyez7ciT1dU2aOSpX7XEEqkWVzEan5Evu2L2l/o="
+            "rev": "3272473e69880675756547fc5896d0869ba14255",
+            "hash": "sha256-DWDPQM4YWuH4oH+03VmFs6yXN2dAKxc5zXSV42YbMyg=",
+            "fetchSubmodules": true
         },
-        "version": "unstable-2024-05-03"
+        "version": "unstable-2024-05-04"
     },
     "mame2000": {
         "fetcher": "fetchFromGitHub",

pkgs/applications/emulators/retroarch/update_cores.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -I nixpkgs=./ -i python3 -p "python3.withPackages (ps: with ps; [ ])" -p git -p nix-prefetch-github -p nix-prefetch-scripts
+#!nix-shell -I nixpkgs=./ -i python3 -p "python3.withPackages (ps: with ps; [ ])" -p git -p nix-prefetch-github -p nix-prefetch-git -p nix-prefetch-scripts
 
 import json
 import os
@@ -69,7 +69,11 @@ CORES = {
     "gw": {"repo": "gw-libretro"},
     "handy": {"repo": "libretro-handy"},
     "hatari": {"repo": "hatari"},
-    "mame": {"repo": "mame"},
+    # Setting fetch_submodules=True since libretro/mame constantly gives
+    # different hashes for its tarballs, see:
+    # - https://github.com/NixOS/nixpkgs/issues/259488#issuecomment-1751768379
+    # - https://github.com/NixOS/nixpkgs/pull/303494
+    "mame": {"repo": "mame", "fetch_submodules": True},
     "mame2000": {"repo": "mame2000-libretro"},
     "mame2003": {"repo": "mame2003-libretro"},
     "mame2003-plus": {"repo": "mame2003-plus-libretro"},