From 67e64ebc5d7a91e116a810e54d322d4fcfdf9db7 Mon Sep 17 00:00:00 2001
From: mrtnvgr <martynovegorOF@yandex.ru>
Date: Mon, 3 Nov 2025 10:52:22 +0700
Subject: [PATCH] surge-XT: add updateScript

---
 pkgs/by-name/su/surge-XT/package.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/su/surge-XT/package.nix b/pkgs/by-name/su/surge-XT/package.nix
index b2958349ad5b..bed5df8bc456 100644
--- a/pkgs/by-name/su/surge-XT/package.nix
+++ b/pkgs/by-name/su/surge-XT/package.nix
@@ -2,6 +2,7 @@
   stdenv,
   lib,
   fetchFromGitHub,
+  gitUpdater,
   cmake,
   pkg-config,
   alsa-lib,
@@ -27,7 +28,7 @@ stdenv.mkDerivation (finalAttrs: {
   src = fetchFromGitHub {
     owner = "surge-synthesizer";
     repo = "surge";
-    tag = "release_xt_${finalAttrs.version}";
+    tag = "${finalAttrs.finalPackage.passthru.rev-prefix}${finalAttrs.version}";
     fetchSubmodules = true;
     hash = "sha256-4b0H3ZioiXFc4KCeQReobwQZJBl6Ep2/8JlRIwvq/hQ=";
   };
@@ -86,6 +87,13 @@ stdenv.mkDerivation (finalAttrs: {
     ]
   );
 
+  passthru = {
+    rev-prefix = "release_xt_";
+    updateScript = gitUpdater {
+      inherit (finalAttrs.finalPackage.passthru) rev-prefix;
+    };
+  };
+
   meta = {
     description = "LV2 & VST3 synthesizer plug-in (previously released as Vember Audio Surge)";
     homepage = "https://surge-synthesizer.github.io";