From a495b83b25185d43cd27db5c391399afcd09295f Mon Sep 17 00:00:00 2001
From: Andy Wilkinson <awilkinson@pivotal.io>
Date: Thu, 6 Aug 2020 16:25:45 +0100
Subject: [PATCH] Ensure Maven plugin descriptor inputs are out-of-date on
 version change

Closes gh-22766
---
 .../boot/build/mavenplugin/MavenPluginPlugin.java                | 1 +
 1 file changed, 1 insertion(+)

diff --git a/buildSrc/src/main/java/org/springframework/boot/build/mavenplugin/MavenPluginPlugin.java b/buildSrc/src/main/java/org/springframework/boot/build/mavenplugin/MavenPluginPlugin.java
index ec048adb017..82a2aec0579 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/mavenplugin/MavenPluginPlugin.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/mavenplugin/MavenPluginPlugin.java
@@ -177,6 +177,7 @@ public class MavenPluginPlugin implements Plugin<Project> {
 		pluginDescriptorInputs.from(pomFile, (copy) -> replaceVersionPlaceholder(copy, project));
 		pluginDescriptorInputs.from(sourceSet.getOutput().getClassesDirs(), (sync) -> sync.into("target/classes"));
 		pluginDescriptorInputs.from(sourceSet.getAllJava().getSrcDirs(), (sync) -> sync.into("src/main/java"));
+		pluginDescriptorInputs.getInputs().property("version", project.getVersion());
 		return pluginDescriptorInputs;
 	}