Fix Config Cache External Process Issue (#1777 fixes #1644 and #1764)

Author: nedtwigg

plugin-gradle/CHANGES.md

@@ -8,6 +8,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Fixed
 * Add support for `prettier` version `3.0.0` and newer. ([#1760]https://github.com/diffplug/spotless/pull/1760), [#1751](https://github.com/diffplug/spotless/issues/1751))
 * Fix npm install calls when npm cache is not up-to-date. ([#1760]https://github.com/diffplug/spotless/pull/1760), [#1750](https://github.com/diffplug/spotless/issues/1750))
+* Fix configuration cache failure when using LineEnding.GIT_ATTRIBUTES ([#1644](https://github.com/diffplug/spotless/issues/1644))
 ### Changes
 * Bump default `eslint` version to latest `8.31.0` -> `8.45.0` ([#1761](https://github.com/diffplug/spotless/pull/1761))
 * Bump default `prettier` version to latest (v2) `2.8.1` -> `2.8.8`. ([#1760](https://github.com/diffplug/spotless/pull/1760))

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

@@ -40,6 +40,7 @@
 import org.gradle.api.GradleException;
 import org.gradle.api.Project;
 import org.gradle.api.file.ConfigurableFileTree;
+import org.gradle.api.file.Directory;
 import org.gradle.api.file.FileCollection;
 import org.gradle.api.plugins.BasePlugin;
 import org.gradle.api.tasks.TaskProvider;
@@ -925,7 +926,8 @@ protected void setupTask(SpotlessTask task) {
 			steps.replaceAll(formatterStep -> formatterStep.filterByContent(OnMatch.EXCLUDE, targetExcludeContentPattern));
 		}
 		task.setSteps(steps);
-		task.setLineEndingsPolicy(getLineEndings().createPolicy(getProject().getProjectDir(), () -> totalTarget));
+		Directory projectDir = getProject().getLayout().getProjectDirectory();
+		task.setLineEndingsPolicy(getProject().provider(() -> getLineEndings().createPolicy(projectDir.getAsFile(), () -> totalTarget)));
 		spotless.getRegisterDependenciesTask().hookSubprojectTask(task);
 		task.setupRatchet(getRatchetFrom() != null ? getRatchetFrom() : "");
 	}

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

@@ -28,6 +28,7 @@
 import org.gradle.api.file.DirectoryProperty;
 import org.gradle.api.file.FileCollection;
 import org.gradle.api.provider.Property;
+import org.gradle.api.provider.Provider;
 import org.gradle.api.tasks.Input;
 import org.gradle.api.tasks.InputFiles;
 import org.gradle.api.tasks.Internal;
@@ -64,14 +65,14 @@ public void setEncoding(String encoding) {
 		this.encoding = Objects.requireNonNull(encoding);
 	}
 
-	protected final LiveCache<LineEnding.Policy> lineEndingsPolicy = createLive("lineEndingsPolicy");
+	protected final LiveCache<Provider<LineEnding.Policy>> lineEndingsPolicy = createLive("lineEndingsPolicy");
 
 	@Input
-	public LineEnding.Policy getLineEndingsPolicy() {
+	public Provider<LineEnding.Policy> getLineEndingsPolicy() {
 		return lineEndingsPolicy.get();
 	}
 
-	public void setLineEndingsPolicy(LineEnding.Policy lineEndingsPolicy) {
+	public void setLineEndingsPolicy(Provider<LineEnding.Policy> lineEndingsPolicy) {
 		this.lineEndingsPolicy.set(lineEndingsPolicy);
 	}
 
@@ -185,7 +186,7 @@ String formatName() {
 	Formatter buildFormatter() {
 		return Formatter.builder()
 				.name(formatName())
-				.lineEndingsPolicy(lineEndingsPolicy.get())
+				.lineEndingsPolicy(lineEndingsPolicy.get().get())
 				.encoding(Charset.forName(encoding))
 				.rootDir(getProjectDir().get().getAsFile().toPath())
 				.steps(steps.get())

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2022 DiffPlug
+ * Copyright 2016-2023 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -62,7 +62,7 @@ public BuildServiceParameters.None getParameters() {
 		private SpotlessTaskImpl createFormatTask(String name) {
 			SpotlessTaskImpl task = project.getTasks().create("spotless" + SpotlessPlugin.capitalize(name), SpotlessTaskImpl.class);
 			task.init(taskService);
-			task.setLineEndingsPolicy(LineEnding.UNIX.createPolicy());
+			task.setLineEndingsPolicy(project.provider(LineEnding.UNIX::createPolicy));
 			task.setTarget(Collections.singletonList(file));
 			return task;
 		}
@@ -100,7 +100,7 @@ private Bundle create(File... files) throws IOException {
 
 	private Bundle create(List<File> files) throws IOException {
 		Bundle bundle = new Bundle("underTest");
-		bundle.task.setLineEndingsPolicy(LineEnding.UNIX.createPolicy());
+		bundle.task.setLineEndingsPolicy(bundle.project.provider(LineEnding.UNIX::createPolicy));
 		bundle.task.setTarget(files);
 		return bundle;
 	}

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2021 DiffPlug
+ * Copyright 2016-2023 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -35,7 +35,7 @@ class FormatTaskTest extends ResourceHarness {
 	void createTask() {
 		Project project = TestProvisioner.gradleProject(rootFolder());
 		spotlessTask = project.getTasks().create("spotlessTaskUnderTest", SpotlessTaskImpl.class);
-		spotlessTask.setLineEndingsPolicy(LineEnding.UNIX.createPolicy());
+		spotlessTask.setLineEndingsPolicy(project.provider(LineEnding.UNIX::createPolicy));
 		spotlessTask.init(GradleIntegrationHarness.providerOf(new SpotlessTaskService() {
 			@Override
 			public BuildServiceParameters.None getParameters() {

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2021 DiffPlug
+ * Copyright 2016-2023 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -66,7 +66,7 @@ private SpotlessTaskImpl createFormatTask(String name, FormatterStep step) {
 			SpotlessTaskImpl task = project.getTasks().create("spotless" + SpotlessPlugin.capitalize(name), SpotlessTaskImpl.class);
 			task.init(taskService);
 			task.addStep(step);
-			task.setLineEndingsPolicy(LineEnding.UNIX.createPolicy());
+			task.setLineEndingsPolicy(project.provider(LineEnding.UNIX::createPolicy));
 			task.setTarget(Collections.singletonList(file));
 			return task;
 		}