From a2157cf0a76b9dbda69bd474ef68ed0ba5b212da Mon Sep 17 00:00:00 2001
From: Ned Twigg <ned.twigg@diffplug.com>
Date: Sat, 30 May 2020 21:09:02 -0700
Subject: [PATCH] Help SpotlessTask to handle a removed directory.

---
 .../com/diffplug/gradle/spotless/SpotlessTask.java     | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/plugin-gradle/src/main/java/com/diffplug/gradle/spotless/SpotlessTask.java b/plugin-gradle/src/main/java/com/diffplug/gradle/spotless/SpotlessTask.java
index f7e8a242d2..db099f9cfe 100644
--- a/plugin-gradle/src/main/java/com/diffplug/gradle/spotless/SpotlessTask.java
+++ b/plugin-gradle/src/main/java/com/diffplug/gradle/spotless/SpotlessTask.java
@@ -23,6 +23,7 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
@@ -240,7 +241,14 @@ private void processInputFile(Formatter formatter, File input) throws IOExceptio
 
 	private void deletePreviousResult(File input) throws IOException {
 		File output = getOutputFile(input);
-		Files.deleteIfExists(output.toPath());
+		if (output.isDirectory()) {
+			Files.walk(output.toPath())
+					.sorted(Comparator.reverseOrder())
+					.map(Path::toFile)
+					.forEach(File::delete);
+		} else {
+			Files.deleteIfExists(output.toPath());
+		}
 	}
 
 	private File getOutputFile(File input) {