Remove JvmLocalCache now that everything is round-trippable on its own

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

@@ -64,6 +64,9 @@ public LineEnding getLineEndings() {
 	}
 
 	public void setLineEndings(LineEnding lineEndings) {
+		if (lineEndings == LineEnding.GIT_ATTRIBUTES) {
+			throw new IllegalArgumentException("GIT_ATTRIBUTES not supported in Gradle, use GIT_ATTRIBUTES_FAST_ALLSAME instead. See https://github.com/diffplug/spotless/issues/1274 for more details.");
+		}
 		this.lineEndings = requireNonNull(lineEndings);
 	}
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2023 DiffPlug
+ * Copyright 2020-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,7 +37,6 @@
 import org.gradle.api.tasks.PathSensitivity;
 import org.gradle.work.Incremental;
 
-import com.diffplug.gradle.spotless.JvmLocalCache.LiveCache;
 import com.diffplug.spotless.FormatExceptionPolicy;
 import com.diffplug.spotless.FormatExceptionPolicyStrict;
 import com.diffplug.spotless.Formatter;
@@ -49,10 +48,6 @@ public abstract class SpotlessTask extends DefaultTask {
 	@Internal
 	abstract Property<SpotlessTaskService> getTaskService();
 
-	protected <T> LiveCache<T> createLive(String keyName) {
-		return JvmLocalCache.createLive(this, keyName);
-	}
-
 	// set by SpotlessExtension, but possibly overridden by FormatExtension
 	protected String encoding = "UTF-8";
 
@@ -65,15 +60,15 @@ public void setEncoding(String encoding) {
 		this.encoding = Objects.requireNonNull(encoding);
 	}
 
-	protected final LiveCache<Provider<LineEnding.Policy>> lineEndingsPolicy = createLive("lineEndingsPolicy");
+	protected Provider<LineEnding.Policy> lineEndingsPolicy = null;
 
 	@Input
 	public Provider<LineEnding.Policy> getLineEndingsPolicy() {
-		return lineEndingsPolicy.get();
+		return lineEndingsPolicy;
 	}
 
 	public void setLineEndingsPolicy(Provider<LineEnding.Policy> lineEndingsPolicy) {
-		this.lineEndingsPolicy.set(lineEndingsPolicy);
+		this.lineEndingsPolicy = lineEndingsPolicy;
 	}
 
 	/** The sha of the tree at repository root, used for determining if an individual *file* is clean according to git. */
@@ -155,22 +150,17 @@ public File getOutputDirectory() {
 		return outputDirectory;
 	}
 
-	protected final LiveCache<List<FormatterStep>> steps = createLive("steps");
-	{
-		steps.set(new ArrayList<FormatterStep>());
-	}
+	protected final List<FormatterStep> steps = new ArrayList<>();
 
 	@Input
 	public List<FormatterStep> getSteps() {
-		return Collections.unmodifiableList(steps.get());
+		return Collections.unmodifiableList(steps);
 	}
 
 	public void setSteps(List<FormatterStep> steps) {
-		this.steps.set(PluginGradlePreconditions.requireElementsNonNull(steps));
-	}
-
-	public boolean addStep(FormatterStep step) {
-		return this.steps.get().add(Objects.requireNonNull(step));
+		this.steps.clear();
+		PluginGradlePreconditions.requireElementsNonNull(steps);
+		this.steps.addAll(steps);
 	}
 
 	/** Returns the name of this format. */
@@ -186,10 +176,10 @@ String formatName() {
 	Formatter buildFormatter() {
 		return Formatter.builder()
 				.name(formatName())
-				.lineEndingsPolicy(lineEndingsPolicy.get().get())
+				.lineEndingsPolicy(getLineEndingsPolicy().get())
 				.encoding(Charset.forName(encoding))
 				.rootDir(getProjectDir().get().getAsFile().toPath())
-				.steps(steps.get())
+				.steps(steps)
 				.exceptionPolicy(exceptionPolicy)
 				.build();
 	}

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

@@ -310,7 +310,7 @@ void failureWhenExeNotFound() throws Exception {
 		var spotlessApply = gradleRunner().withArguments("--stacktrace", "spotlessApply").buildAndFail();
 		assertThat(spotlessApply.getOutput()).contains("Build failed with an exception");
 		assertFile("biome_test.js").sameAsResource("biome/js/fileBefore.js");
-		assertThat(spotlessApply.getOutput()).contains("Could not create task ':spotlessMybiomeApply'");
+		assertThat(spotlessApply.getOutput()).contains("Execution failed for task ':spotlessMybiome'");
 		assertThat(spotlessApply.getOutput()).contains("Biome executable does not exist");
 	}
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2023 DiffPlug
+ * Copyright 2020-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,11 +17,8 @@
 
 import java.io.IOException;
 
-import org.gradle.testkit.runner.BuildResult;
 import org.gradle.testkit.runner.GradleRunner;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.condition.EnabledForJreRange;
-import org.junit.jupiter.api.condition.JRE;
 
 public class ConfigurationCacheTest extends GradleIntegrationHarness {
 	@Override
@@ -65,8 +62,7 @@ public void helpConfiguresIfTasksAreCreated() throws IOException {
 	}
 
 	@Test
-	@EnabledForJreRange(max = JRE.JAVA_20)
-	public void jvmLocalCache() throws IOException {
+	public void multipleRuns() throws IOException {
 		setFile("build.gradle").toLines(
 				"plugins {",
 				"    id 'com.diffplug.spotless'",
@@ -93,14 +89,5 @@ public void jvmLocalCache() throws IOException {
 		gradleRunner().withArguments("spotlessCheck").buildAndFail();
 		gradleRunner().withArguments("spotlessApply").build();
 		assertFile("test.java").sameAsResource("java/googlejavaformat/JavaCodeFormatted.test");
-
-		// the withDebug forces it to start a new deamon, but only in Gradle 8.3 and older
-		// starting with Gradle 8.5 this doesn't work anymore
-		// and we need Gradle 8.5 for Java 21
-		// so we can't test this on Java 21 for now
-		BuildResult failure = gradleRunner().withDebug(true).withArguments("spotlessApply", "--stacktrace").buildAndFail();
-		failure.getOutput().contains("Spotless daemon-local cache is stale. Regenerate the cache with\n" +
-				"  rm -rf .gradle/configuration-cache\n" +
-				"For more information see #123\n");
 	}
 }

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2023 DiffPlug
+ * Copyright 2016-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -151,10 +151,10 @@ void customRunToFixMessage() throws Exception {
 	@Test
 	void whitespaceProblem() throws Exception {
 		Bundle spotless = create(setFile("testFile").toContent("A \nB\t\nC  \n"));
-		spotless.task.addStep(FormatterStep.createNeverUpToDate("trimTrailing", input -> {
+		spotless.task.setSteps(List.of(FormatterStep.createNeverUpToDate("trimTrailing", input -> {
 			Pattern pattern = Pattern.compile("[ \t]+$", Pattern.UNIX_LINES | Pattern.MULTILINE);
 			return pattern.matcher(input).replaceAll("");
-		}));
+		})));
 		assertCheckFailure(spotless,
 				"    testFile",
 				"        @@ -1,3 +1,3 @@",

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2023 DiffPlug
+ * Copyright 2016-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,6 +17,7 @@
 
 import java.io.File;
 import java.util.Collections;
+import java.util.List;
 
 import org.gradle.api.Project;
 import org.gradle.api.services.BuildServiceParameters;
@@ -61,7 +62,7 @@ void testStep() throws Exception {
 		File outputFile = new File(spotlessTask.getOutputDirectory(), "testFile");
 		spotlessTask.setTarget(Collections.singleton(testFile));
 
-		spotlessTask.addStep(FormatterStep.createNeverUpToDate("double-p", content -> content.replace("pp", "p")));
+		spotlessTask.setSteps(List.of(FormatterStep.createNeverUpToDate("double-p", content -> content.replace("pp", "p"))));
 		Tasks.execute(spotlessTask);
 
 		assertFile(outputFile).hasContent("aple");

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2023 DiffPlug
+ * Copyright 2016-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +21,7 @@
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.List;
 
 import org.gradle.api.Project;
 import org.gradle.api.provider.Provider;
@@ -65,7 +66,7 @@ public BuildServiceParameters.None getParameters() {
 		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.setSteps(List.of(step));
 			task.setLineEndingsPolicy(project.provider(LineEnding.UNIX::createPolicy));
 			task.setTarget(Collections.singletonList(file));
 			return task;

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 DiffPlug
+ * Copyright 2023-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -310,7 +310,7 @@ void failureWhenExeNotFound() throws Exception {
 		var spotlessApply = gradleRunner().withArguments("--stacktrace", "spotlessApply").buildAndFail();
 		assertThat(spotlessApply.getOutput()).contains("Build failed with an exception");
 		assertFile("rome_test.js").sameAsResource("rome/js/fileBefore.js");
-		assertThat(spotlessApply.getOutput()).contains("Could not create task ':spotlessMyromeApply'");
+		assertThat(spotlessApply.getOutput()).contains("Execution failed for task ':spotlessMyrome'");
 		assertThat(spotlessApply.getOutput()).contains("Biome executable does not exist");
 	}