From ba742c54416de59e073bae1fb852ce1f77f9efdf Mon Sep 17 00:00:00 2001
From: Max Kanat-Alexander <avatraxiom@gmail.com>
Date: Sat, 7 Feb 2026 00:43:40 -0500
Subject: [PATCH] Unset DISPLAY so that we don't throw a warning on WSL.

---
 buildifier-wrapper.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/buildifier-wrapper.sh b/buildifier-wrapper.sh
index 6fd1e53..82a0915 100755
--- a/buildifier-wrapper.sh
+++ b/buildifier-wrapper.sh
@@ -50,6 +50,10 @@ set -- ${buildifier_args[@]+"${buildifier_args[@]}"}
 readonly base_url=${base_url_arg:-${BUILDIFIER_BASE_URL:-$default_base_url}}
 readonly url=$base_url/$filename
 
+# Unset DISPLAY to prevent deprecation warning about selecting
+# diff program via environment variables. WSL always sets DISPLAY.
+unset DISPLAY
+
 if [[ -x "$binary" ]]; then
   exec "$binary" "$@"
 fi