From 92e8e1b1bbc59d3a7e9efd5bff146b0a2726c7b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9ophane=20Hufschmitt?=
 <theophane.hufschmitt@tweag.io>
Date: Wed, 4 Oct 2023 17:22:45 +0200
Subject: [PATCH] Poison the build on the test derivation

Make sure that we're not accidentally rebuilding Nix here as it's just
wasteful and awful for CI times.
---
 flake.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index d74085db7..4de155362 100644
--- a/flake.nix
+++ b/flake.nix
@@ -280,9 +280,13 @@
         enableParallelBuilding = true;
 
         configureFlags = testConfigureFlags; # otherwise configure fails
-        dontBuild = true;
         doInstallCheck = true;
 
+        buildPhase = ''
+          # Remove the source files to make sure that we're not accidentally rebuilding Nix
+          rm src/**/*.cc
+        '';
+
         installPhase = ''
           mkdir -p $out
         '';