From 769ea1b106d957d02d7d0f004b5f4d2b44fc8c06 Mon Sep 17 00:00:00 2001
From: sdeleuze <sdeleuze@pivotal.io>
Date: Mon, 11 Dec 2017 11:28:39 +0100
Subject: [PATCH] Fix Kdoc regression to show only Kotlin API

As of Gradle Kotlin plugin 1.1.60,
project.sourceSets.main.kotlin.srcDirs contains
Java source directories in addition to Kotlin
ones. This commit filter out Java sources to
retain only Kotlin ones.

Issue: SPR-16268
---
 gradle/docs.gradle | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gradle/docs.gradle b/gradle/docs.gradle
index be68b7f0ff..510144e575 100644
--- a/gradle/docs.gradle
+++ b/gradle/docs.gradle
@@ -66,7 +66,8 @@ dokka {
 	outputDirectory = "$buildDir/docs/kdoc"
 
 	sourceDirs = files(subprojects.collect { project ->
-		project.sourceSets.main.kotlin.srcDirs
+		def kotlinDirs = project.sourceSets.main.kotlin.srcDirs.collect()
+		kotlinDirs -= project.sourceSets.main.java.srcDirs
 	})
 	externalDocumentationLink {
 		url = new URL("http://docs.spring.io/spring-framework/docs/${version}/javadoc-api/")