From 1baf495cd74251d579be979c2ac5438dadd6b91f Mon Sep 17 00:00:00 2001
From: Yifei Sun <ysun@hey.com>
Date: Sun, 28 Jun 2026 22:34:40 +0200
Subject: [PATCH] pktgen: 24.10.3 -> 26.03.0

---
 pkgs/by-name/pk/pktgen/package.nix | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/pkgs/by-name/pk/pktgen/package.nix b/pkgs/by-name/pk/pktgen/package.nix
index 2c7cf0cc9f32..21bb364784e3 100644
--- a/pkgs/by-name/pk/pktgen/package.nix
+++ b/pkgs/by-name/pk/pktgen/package.nix
@@ -14,17 +14,21 @@
   gtk2,
   which,
   withGtk ? false,
+  nix-update-script,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "pktgen";
-  version = "24.10.3";
+  version = "26.03.0";
+
+  __structuredAttrs = true;
+  strictDeps = true;
 
   src = fetchFromGitHub {
     owner = "pktgen";
     repo = "Pktgen-DPDK";
-    rev = "pktgen-${finalAttrs.version}";
-    sha256 = "sha256-6KC1k+LWNSU/mdwcUKjCaq8pGOcO+dFzeXX4PJm0QgE=";
+    tag = "pktgen-${finalAttrs.version}";
+    hash = "sha256-GNBo0WsHevoge97gUgDdNygCHSA5fQ/73ibsTvDvVYI=";
   };
 
   nativeBuildInputs = [
@@ -57,7 +61,7 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   postPatch = ''
-    substituteInPlace lib/common/lscpu.h --replace /usr/bin/lscpu ${util-linux}/bin/lscpu
+    substituteInPlace lib/common/lscpu.h --replace /usr/bin/lscpu ${lib.getExe' util-linux "lscpu"}
   '';
 
   postInstall = ''
@@ -66,6 +70,8 @@ stdenv.mkDerivation (finalAttrs: {
     rm -rf $out/include $out/lib
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Traffic generator powered by DPDK";
     homepage = "http://dpdk.org/";