From 2ead51598f77a48bc760481005ffefe919c0d7d9 Mon Sep 17 00:00:00 2001
From: glefloch <glfloch@gmail.com>
Date: Fri, 20 Jan 2023 17:46:11 +0100
Subject: [PATCH] Limit application.properties lookup to main source set

---
 .../src/main/java/io/quarkus/gradle/tasks/QuarkusBuild.java | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/devtools/gradle/gradle-application-plugin/src/main/java/io/quarkus/gradle/tasks/QuarkusBuild.java b/devtools/gradle/gradle-application-plugin/src/main/java/io/quarkus/gradle/tasks/QuarkusBuild.java
index 5013ce21a6693..4d98e2e99a3d8 100644
--- a/devtools/gradle/gradle-application-plugin/src/main/java/io/quarkus/gradle/tasks/QuarkusBuild.java
+++ b/devtools/gradle/gradle-application-plugin/src/main/java/io/quarkus/gradle/tasks/QuarkusBuild.java
@@ -235,9 +235,11 @@ private String expandConfigurationKey(String shortKey) {
 
     private String getPropValueWithPrecedence(final String propName, final java.util.Optional<String> defaultValue) {
         if (applicationProperties.isEmpty()) {
-            FileCollection classpathFiles = getClasspath()
+            SourceSet mainSourceSet = QuarkusGradleUtils.getSourceSet(getProject(), SourceSet.MAIN_SOURCE_SET_NAME);
+
+            FileCollection configFiles = mainSourceSet.getResources()
                     .filter(file -> "application.properties".equalsIgnoreCase(file.getName()));
-            classpathFiles.forEach(file -> {
+            configFiles.forEach(file -> {
                 FileInputStream appPropsIS = null;
                 try {
                     appPropsIS = new FileInputStream(file.getAbsoluteFile());