Rewrire Jar and Source remapping tasks. (#504)

src/main/java/net/fabricmc/loom/task/AbstractRemapJarTask.java

@@ -0,0 +1,123 @@
+/*
+ * This file is part of fabric-loom, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2021 FabricMC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package net.fabricmc.loom.task;
+
+import java.io.IOException;
+import java.nio.file.Path;
+
+import javax.inject.Inject;
+
+import org.gradle.api.Action;
+import org.gradle.api.file.ConfigurableFileCollection;
+import org.gradle.api.file.RegularFileProperty;
+import org.gradle.api.provider.Property;
+import org.gradle.api.tasks.Input;
+import org.gradle.api.tasks.InputFile;
+import org.gradle.api.tasks.InputFiles;
+import org.gradle.jvm.tasks.Jar;
+import org.gradle.workers.WorkAction;
+import org.gradle.workers.WorkParameters;
+import org.gradle.workers.WorkQueue;
+import org.gradle.workers.WorkerExecutor;
+
+import net.fabricmc.loom.api.mappings.layered.MappingsNamespace;
+import net.fabricmc.loom.util.ZipReprocessorUtil;
+
+public abstract class AbstractRemapJarTask extends Jar {
+	@InputFile
+	public abstract RegularFileProperty getInputFile();
+
+	@InputFiles
+	public abstract ConfigurableFileCollection getClasspath();
+
+	@Input
+	public abstract Property<String> getSourceNamespace();
+
+	@Input
+	public abstract Property<String> getTargetNamespace();
+
+	@Inject
+	protected abstract WorkerExecutor getWorkerExecutor();
+
+	@Inject
+	public AbstractRemapJarTask() {
+		getSourceNamespace().convention(MappingsNamespace.NAMED.toString()).finalizeValueOnRead();
+		getTargetNamespace().convention(MappingsNamespace.INTERMEDIARY.toString()).finalizeValueOnRead();
+	}
+
+	public final <P extends AbstractRemapParams> void submitWork(Class<? extends AbstractRemapAction<P>> workAction, Action<P> action) {
+		final WorkQueue workQueue = getWorkerExecutor().noIsolation();
+
+		workQueue.submit(workAction, params -> {
+			params.getInputFile().set(getInputFile());
+			params.getOutputFile().set(getArchiveFile());
+
+			params.getSourceNamespace().set(getSourceNamespace());
+			params.getTargetNamespace().set(getTargetNamespace());
+
+			params.getArchivePreserveFileTimestamps().set(isPreserveFileTimestamps());
+			params.getArchiveReproducibleFileOrder().set(isReproducibleFileOrder());
+
+			action.execute(params);
+		});
+	}
+
+	public interface AbstractRemapParams extends WorkParameters {
+		RegularFileProperty getInputFile();
+		RegularFileProperty getOutputFile();
+
+		Property<String> getSourceNamespace();
+		Property<String> getTargetNamespace();
+
+		Property<Boolean> getArchivePreserveFileTimestamps();
+		Property<Boolean> getArchiveReproducibleFileOrder();
+	}
+
+	public abstract static class AbstractRemapAction<T extends AbstractRemapParams> implements WorkAction<T> {
+		protected final Path inputFile;
+		protected final Path outputFile;
+
+		@Inject
+		public AbstractRemapAction() {
+			inputFile = getParameters().getInputFile().getAsFile().get().toPath();
+			outputFile = getParameters().getOutputFile().getAsFile().get().toPath();
+		}
+
+		protected void rewriteJar() throws IOException {
+			final boolean isReproducibleFileOrder = getParameters().getArchiveReproducibleFileOrder().get();
+			final boolean isPreserveFileTimestamps = getParameters().getArchivePreserveFileTimestamps().get();
+
+			if (isReproducibleFileOrder || !isPreserveFileTimestamps) {
+				ZipReprocessorUtil.reprocessZip(outputFile.toFile(), isReproducibleFileOrder, isPreserveFileTimestamps);
+			}
+		}
+	}
+
+	@Deprecated
+	@InputFile
+	public RegularFileProperty getInput() {
+		return getInputFile();
+	}
+}