From 83d881ddf4b2fe9ced46c85891687aa8a8ee041c Mon Sep 17 00:00:00 2001
From: Tiziano Santoro <tzn@google.com>
Date: Wed, 27 Mar 2024 09:53:32 +0000
Subject: [PATCH] Fix username and host when building kernel (#4963)

b/330744888
---
 flake.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/flake.nix b/flake.nix
index 3410947c45c..08707c53b18 100644
--- a/flake.nix
+++ b/flake.nix
@@ -40,6 +40,12 @@
             # - CONFIG_MODULE_SIG_ALL is not set
             # - CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is not set
             configfile = ./oak_containers_kernel/configs/6.1.33/minimal.config;
+            # And also the following build variables.
+            # See https://docs.kernel.org/kbuild/reproducible-builds.html.
+            extraMakeFlags = [
+              "KBUILD_BUILD_USER=user"
+              "KBUILD_BUILD_HOST=host"
+            ];
             version = linux_kernel_version;
             src = linux_kernel_src;
             allowImportFromDerivation = true;