From 6f244bac1bcf972f136314e9d3b388d8f9f3368a Mon Sep 17 00:00:00 2001
From: Fabian Meumertzheim <fabian@meumertzhe.im>
Date: Thu, 6 Feb 2025 21:02:25 +0100
Subject: [PATCH] Disable ProGuard logging

---
 third_party/BUILD | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/third_party/BUILD b/third_party/BUILD
index 88158815cce3e1..847a3e4da3365c 100644
--- a/third_party/BUILD
+++ b/third_party/BUILD
@@ -1,4 +1,4 @@
-load("@rules_java//java:defs.bzl", "java_import", "java_library", "java_plugin")
+load("@rules_java//java:defs.bzl", "java_binary", "java_import", "java_library", "java_plugin")
 load("@rules_license//rules:license.bzl", "license")
 load("//src/tools/bzlmod:utils.bzl", "get_repo_root")
 load("//tools/distributions:distribution_rules.bzl", "distrib_jar_filegroup", "distrib_java_import")
@@ -345,6 +345,10 @@ genrule(
 
 java_binary(
     name = "proguard",
+    jvm_flags = [
+        # Prevent ProGuard from calling out to the internet through log4j.
+        "-Dlog4j.rootLogger=OFF",
+    ],
     main_class = "proguard.ProGuard",
     runtime_deps = ["@maven//:com_guardsquare_proguard_base"],
 )