From 72a9f494f31873f775496b4a1c4fd472fbbbd0a5 Mon Sep 17 00:00:00 2001
From: Jerome Prinet <jprinet@gradle.com>
Date: Tue, 29 Nov 2022 16:40:43 +0100
Subject: [PATCH] Document that SystemTestPlugin output should never be cached

See gh-33411
---
 .../org/springframework/boot/build/test/SystemTestPlugin.java    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/buildSrc/src/main/java/org/springframework/boot/build/test/SystemTestPlugin.java b/buildSrc/src/main/java/org/springframework/boot/build/test/SystemTestPlugin.java
index 242c4938ae..777e94fafc 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/test/SystemTestPlugin.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/test/SystemTestPlugin.java
@@ -84,6 +84,7 @@ public class SystemTestPlugin implements Plugin<Project> {
 		systemTest.shouldRunAfter(JavaPlugin.TEST_TASK_NAME);
 		if (isCi()) {
 			systemTest.getOutputs().upToDateWhen(NEVER);
+			systemTest.getOutputs().doNotCacheIf("System tests are always rerun on CI", (task) -> true);
 		}
 	}