From 876b195ecc9f596c9f84670a511fb047c201b0f6 Mon Sep 17 00:00:00 2001
From: Thiago Kenji Okada <thiagokokada@gmail.com>
Date: Sat, 9 Apr 2022 11:31:22 +0100
Subject: [PATCH] mame: add updateScript

---
 pkgs/applications/emulators/mame/default.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/applications/emulators/mame/default.nix b/pkgs/applications/emulators/mame/default.nix
index ce3fb3d06aed..b9172ab7f91e 100644
--- a/pkgs/applications/emulators/mame/default.nix
+++ b/pkgs/applications/emulators/mame/default.nix
@@ -18,6 +18,7 @@
 , SDL2
 , SDL2_ttf
 , which
+, writeScript
 }:
 
 let
@@ -93,6 +94,16 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  passthru.updateScript = writeScript "mame-update-script" ''
+    #!/usr/bin/env nix-shell
+    #!nix-shell -i bash -p curl common-updater-scripts jq
+
+    set -eu -o pipefail
+
+    latest_version=$(curl -s https://api.github.com/repos/mamedev/mame/releases/latest | jq --raw-output .tag_name)
+    update-source-version mame "''${latest_version/mame0/0.}"
+  '';
+
   meta = with lib; {
     description = "Is a multi-purpose emulation framework";
     homepage = "https://www.mamedev.org/";