Missed some spots.

Author: EdgarTwigg

plugin-gradle/src/main/java/com/diffplug/gradle/spotless/SpotlessTaskImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2024 DiffPlug
+ * Copyright 2016-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,6 +45,7 @@
 import com.diffplug.spotless.Formatter;
 import com.diffplug.spotless.Lint;
 import com.diffplug.spotless.LintState;
+import com.diffplug.spotless.LintSuppression;
 import com.diffplug.spotless.extra.GitRatchet;
 
 @CacheableTask
@@ -101,7 +102,7 @@ public void performAction(InputChanges inputs) throws Exception {
 			for (FileChange fileChange : inputs.getFileChanges(target)) {
 				File input = fileChange.getFile();
 				File projectDir = getProjectDir().get().getAsFile();
-				String relativePath = FormatExtension.relativize(projectDir, input);
+				String relativePath = LintSuppression.relativizeAsUnix(projectDir, input);
 				if (relativePath == null) {
 					throw new IllegalArgumentException(StringPrinter.buildString(printer -> {
 						printer.println("Spotless error! All target files must be within the project dir.");

plugin-gradle/src/test/java/com/diffplug/gradle/spotless/FileTreeTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2021 DiffPlug
+ * Copyright 2016-2025 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,8 +15,6 @@
  */
 package com.diffplug.gradle.spotless;
 
-import static com.diffplug.gradle.spotless.FormatExtension.relativize;
-
 import java.io.File;
 import java.io.IOException;
 
@@ -26,6 +24,7 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
+import com.diffplug.spotless.LintSuppression;
 import com.diffplug.spotless.ResourceHarness;
 import com.diffplug.spotless.TestProvisioner;
 
@@ -51,7 +50,7 @@ void absolutePathDoesntWork() throws IOException {
 	void relativePathDoes() throws IOException {
 		File someFile = setFile("someFolder/someFile").toContent("");
 		File someFolder = someFile.getParentFile();
-		fileTree.exclude(relativize(rootFolder(), someFolder));
+		fileTree.exclude(LintSuppression.relativizeAsUnix(rootFolder(), someFolder));
 		Assertions.assertThat(fileTree).containsExactlyInAnyOrder();
 	}
 }