From e675cc064f896795f5ca2d98790601d2b95ed0b2 Mon Sep 17 00:00:00 2001
From: Lin Jian <me@linj.tech>
Date: Sun, 30 Mar 2025 15:16:06 +0800
Subject: [PATCH] emacs: make trivialBuild respect error tunables at
 bytecompile time

This is a follow-up of 2f7cc5a7812bd4b4758312051a72b0a618072cd4.
---
 pkgs/applications/editors/emacs/build-support/trivial.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/editors/emacs/build-support/trivial.nix b/pkgs/applications/editors/emacs/build-support/trivial.nix
index f95b6f3cdfc3..b37dfcccfb63 100644
--- a/pkgs/applications/editors/emacs/build-support/trivial.nix
+++ b/pkgs/applications/editors/emacs/build-support/trivial.nix
@@ -19,7 +19,12 @@ lib.extendMkDerivation {
             foundMakefile=1
           fi
 
-          emacs -l package -f package-initialize -L . --batch -f batch-byte-compile *.el
+          emacs -l package -f package-initialize \
+            --eval "(setq byte-compile-debug ${if finalAttrs.ignoreCompilationError then "nil" else "t"})" \
+            --eval "(setq byte-compile-error-on-warn ${
+              if finalAttrs.turnCompilationWarningToError then "t" else "nil"
+            })" \
+            -L . --batch -f batch-byte-compile *.el
 
           runHook postBuild
         '';