From 7253a4d93f7220620d565593c1441cb2ac94bed5 Mon Sep 17 00:00:00 2001
From: Philipp Schuster <phip1611@gmail.com>
Date: Tue, 14 Nov 2023 08:35:59 +0100
Subject: [PATCH] lib: use ansi module in trivial.warn

---
 lib/trivial.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/trivial.nix b/lib/trivial.nix
index 936ad207c03df55..e8b8903a485a5fb 100644
--- a/lib/trivial.nix
+++ b/lib/trivial.nix
@@ -681,8 +681,8 @@ in {
   */
   warn =
     if lib.elem (builtins.getEnv "NIX_ABORT_ON_WARN") ["1" "true" "yes"]
-    then msg: builtins.trace "warning: ${msg}" (abort "NIX_ABORT_ON_WARN=true; warnings are treated as unrecoverable errors.")
-    else msg: builtins.trace "warning: ${msg}";
+    then msg: builtins.trace (lib.ansi.stylizeError msg) (abort "NIX_ABORT_ON_WARN=true; warnings are treated as unrecoverable errors.")
+    else msg: builtins.trace (lib.ansi.stylizeWarn msg);
 
   /**
     Like warn, but only warn when the first argument is `true`.