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/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2016, 2017, 2018 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.util;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.zip.ZipEntry;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import org.apache.commons.io.FileUtils;
import org.gradle.api.artifacts.ResolvedConfiguration;
import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.ResolvedDependency;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.artifacts.ProjectDependency;
import org.gradle.api.artifacts.ResolvedArtifact;
import org.gradle.api.artifacts.DependencySet;
import org.zeroturnaround.zip.FileSource;
import org.zeroturnaround.zip.ZipEntrySource;
import org.zeroturnaround.zip.ZipUtil;
import org.zeroturnaround.zip.transform.StringZipEntryTransformer;
import org.zeroturnaround.zip.transform.ZipEntryTransformerEntry;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.tasks.bundling.AbstractArchiveTask;
import net.fabricmc.loom.LoomGradleExtension;
import net.fabricmc.loom.task.RemapJarTask;
public class NestedJars {
private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
public static boolean addNestedJars(Project project, Path modJarPath) {
List<File> containedJars = getContainedJars(project);
if (containedJars.isEmpty()) {
return false;
}
File modJar = modJarPath.toFile();
ZipUtil.addOrReplaceEntries(modJar, containedJars.stream().map(file -> new FileSource("META-INF/jars/" + file.getName(), file)).toArray(ZipEntrySource[]::new));
return ZipUtil.transformEntries(modJar, single(new ZipEntryTransformerEntry("fabric.mod.json", new StringZipEntryTransformer() {
@Override
protected String transform(ZipEntry zipEntry, String input) {
JsonObject json = GSON.fromJson(input, JsonObject.class);
JsonArray nestedJars = json.getAsJsonArray("jars");
if (nestedJars == null || !json.has("jars")) {
nestedJars = new JsonArray();
}
for (File file : containedJars) {
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("file", "META-INF/jars/" + file.getName());
nestedJars.add(jsonObject);
}
json.add("jars", nestedJars);
return GSON.toJson(json);
}
})));
}
private static List<File> getContainedJars(Project project) {
List<File> fileList = new ArrayList<>();
Configuration configuration = project.getConfigurations().getByName(Constants.Configurations.INCLUDE);
ResolvedConfiguration resolvedConfiguration = configuration.getResolvedConfiguration();
Set<ResolvedDependency> dependencies = resolvedConfiguration.getFirstLevelModuleDependencies();
// Bit ugly doing this, id guess there is a better way but this works.
Set<String> projectDeps = new HashSet<>();
for (Dependency dependency : configuration.getDependencies()) {
if (dependency instanceof ProjectDependency) {
ProjectDependency projectDependency = (ProjectDependency) dependency;
Project dependencyProject = projectDependency.getDependencyProject();
projectDeps.add(dependency.getGroup() + ":" + dependency.getName() + ":" + dependency.getVersion());
// TODO change this to allow just normal jar tasks, so a project can have a none loom sub project
Collection<Task> remapJarTasks = dependencyProject.getTasksByName("remapJar", false);
Collection<Task> jarTasks = dependencyProject.getTasksByName("jar", false);
for (Task task : remapJarTasks.isEmpty() ? jarTasks : remapJarTasks) {
if (task instanceof RemapJarTask) {
fileList.add(((RemapJarTask) task).getArchivePath());
} else if (task instanceof AbstractArchiveTask) {
fileList.add(((AbstractArchiveTask) task).getArchivePath());
}
}
}
}
for (ResolvedDependency dependency : dependencies) {
if (projectDeps.contains(dependency.getModuleGroup() + ":" + dependency.getModuleName() + ":" + dependency.getModuleVersion())) {
continue;
} else {
fileList.addAll(prepareForNesting(
dependency
.getModuleArtifacts()
.stream()
.map(ResolvedArtifact::getFile)
.collect(Collectors.toSet()),
dependency, project)
);
}
}
for (File file : fileList) {
if (!file.exists()) {
throw new RuntimeException("Failed to include nested jars, as it could not be found @ " + file.getAbsolutePath());
}
if (file.isDirectory() || !file.getName().endsWith(".jar")) {
throw new RuntimeException("Failed to include nested jars, as file was not a jar: " + file.getAbsolutePath());
}
}
return fileList;
}
// Looks for any deps that require a sub project to be built first
public static List<RemapJarTask> getRequiredTasks(Project project) {
List<RemapJarTask> remapTasks = new ArrayList<>();
Configuration configuration = project.getConfigurations().getByName(Constants.Configurations.INCLUDE);
DependencySet dependencies = configuration.getDependencies();
for (Dependency dependency : dependencies) {
if (dependency instanceof ProjectDependency) {
ProjectDependency projectDependency = (ProjectDependency) dependency;
Project dependencyProject = projectDependency.getDependencyProject();
for (Task task : dependencyProject.getTasksByName("remapJar", false)) {
if (task instanceof RemapJarTask) {
remapTasks.add((RemapJarTask) task);
}
}
}
}
return remapTasks;
}
//This is a good place to do pre-nesting operations, such as adding a fabric.mod.json to a library
private static List<File> prepareForNesting(Set<File> files, ResolvedDependency dependency, Project project) {
List<File> fileList = new ArrayList<>();
for (File file : files) {
//A lib that doesnt have a mod.json, we turn it into a fake mod
if (!ZipUtil.containsEntry(file, "fabric.mod.json")) {
LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
File tempDir = new File(extension.getUserCache(), "temp/modprocessing");
if (!tempDir.exists()) {
tempDir.mkdirs();
}
File tempFile = new File(tempDir, file.getName());
if (tempFile.exists()) {
tempFile.delete();
}
try {
FileUtils.copyFile(file, tempFile);
} catch (IOException e) {
throw new RuntimeException("Failed to copy file", e);
}
ZipUtil.addEntry(tempFile, "fabric.mod.json", getMod(dependency).getBytes());
fileList.add(tempFile);
} else {
// Default copy the jar right in
fileList.add(file);
}
}
return fileList;
}
// Generates a barebones mod for a dependency
private static String getMod(ResolvedDependency dependency) {
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("schemaVersion", 1);
jsonObject.addProperty("id", (dependency.getModuleGroup() + "_" + dependency.getModuleName()).replaceAll("\\.", "_").toLowerCase(Locale.ENGLISH));
jsonObject.addProperty("version", dependency.getModuleVersion());
jsonObject.addProperty("name", dependency.getModuleName());
JsonObject custom = new JsonObject();
custom.addProperty("fabric-loom:generated", true);
jsonObject.add("custom", custom);
return GSON.toJson(jsonObject);
}
private static ZipEntryTransformerEntry[] single(ZipEntryTransformerEntry element) {
return new ZipEntryTransformerEntry[]{element};
}
}
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