From 65f2ae67cb9a60ea57bc98a711129daf396d3ff4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Sun, 5 Jul 2026 19:34:31 +0200
Subject: [PATCH] ucx: add missing submodule

---
 pkgs/by-name/uc/ucx/package.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/uc/ucx/package.nix b/pkgs/by-name/uc/ucx/package.nix
index c7c6b109d12a..2cfb1d498aad 100644
--- a/pkgs/by-name/uc/ucx/package.nix
+++ b/pkgs/by-name/uc/ucx/package.nix
@@ -48,9 +48,16 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "openucx";
     repo = "ucx";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-jREdHE+DpT0OQ1pVEUgWnA9hTCP1IsGeATmDTT3YmcM=";
+    # Otherwise compilation fails with:
+    #   fatal error: gpunetio/common/doca_gpunetio_verbs_def.h: No such file or directory
+    fetchSubmodules = true;
+    hash = "sha256-Td6L5wXDadIbHfk251bj6k9J3kIjqCYVx5lDso/u76M=";
   };
 
+  postPatch = ''
+    patchShebangs config/nvcc_wrap.sh
+  '';
+
   outputs = [
     "out"
     "doc"