Start on 0.2.1

build.gradle

@@ -11,7 +11,7 @@ targetCompatibility = 1.8
 
 group = 'net.fabricmc'
 archivesBaseName = project.name
-version = '0.2.0-SNAPSHOT'
+version = '0.2.1-SNAPSHOT'
 
 def build = "local"
 def ENV = System.getenv()

src/main/java/net/fabricmc/loom/AbstractPlugin.java

@@ -33,10 +33,7 @@ import net.fabricmc.loom.task.RemapSourcesJar;
 import net.fabricmc.loom.util.Constants;
 import net.fabricmc.loom.util.LoomDependencyManager;
 import net.fabricmc.loom.util.SetupIntelijRunConfigs;
-import org.gradle.api.Plugin;
-import org.gradle.api.Project;
-import org.gradle.api.Task;
-import org.gradle.api.UnknownTaskException;
+import org.gradle.api.*;
 import org.gradle.api.artifacts.Configuration;
 import org.gradle.api.artifacts.dsl.DependencyHandler;
 import org.gradle.api.artifacts.repositories.MavenArtifactRepository;
@@ -65,6 +62,9 @@ public class AbstractPlugin implements Plugin<Project> {
 	public void apply(Project target) {
 		this.project = target;
 
+		//Done to ensure the child projects are built before the root project
+		this.project.evaluationDependsOnChildren();
+
 		if(isRootProject(target)){
 			project.getLogger().lifecycle("Fabric Loom: " + AbstractPlugin.class.getPackage().getImplementationVersion());
 		}
@@ -93,6 +93,9 @@ public class AbstractPlugin implements Plugin<Project> {
 		Configuration minecraftConfig = project.getConfigurations().maybeCreate(Constants.MINECRAFT);
 		minecraftConfig.setTransitive(false);
 
+		Configuration includeConfig = project.getConfigurations().maybeCreate(Constants.INCLUDE);
+		includeConfig.setTransitive(false); // Dont get transitive deps
+
 		project.getConfigurations().maybeCreate(Constants.MAPPINGS);
 
 		configureIDEs();
@@ -247,7 +250,7 @@ public class AbstractPlugin implements Plugin<Project> {
 			project1.getTasks().getByName("idea").finalizedBy(project1.getTasks().getByName("genIdeaWorkspace"));
 			project1.getTasks().getByName("eclipse").finalizedBy(project1.getTasks().getByName("genEclipseRuns"));
 
-			if(extension.autoGenIDERuns){
+			if(extension.autoGenIDERuns && isRootProject(project1)){
 				SetupIntelijRunConfigs.setup(project1);
 			}
 
@@ -265,6 +268,8 @@ public class AbstractPlugin implements Plugin<Project> {
 				remapJarTask.doLast(task -> project1.getArtifacts().add("archives", remapJarTask.jar));
 				remapJarTask.dependsOn(project1.getTasks().getByName("jar"));
 				project1.getTasks().getByName("build").dependsOn(remapJarTask);
+				//Run all the sub project remap jars tasks before the root projects jar, this is to allow us to include projects
+				project1.subprojects(subProject -> remapJarTask.dependsOn(subProject.getTasksByName("remapJar", false)));
 
 				try {
 					AbstractArchiveTask sourcesTask = (AbstractArchiveTask) project1.getTasks().getByName("sourcesJar");

src/main/java/net/fabricmc/loom/util/Constants.java

@@ -37,6 +37,7 @@ public class Constants {
 
 	public static final String COMPILE_MODS = "modCompile";
 	public static final String COMPILE_MODS_MAPPED = "modCompileMapped";
+	public static final String INCLUDE = "include";
 	public static final String MINECRAFT = "minecraft";
 	public static final String MINECRAFT_DEPENDENCIES = "minecraftLibraries";
 	public static final String MINECRAFT_INTERMEDIARY = "minecraftIntermediary";

src/main/java/net/fabricmc/loom/util/ModRemapper.java

@@ -117,6 +117,10 @@ public class ModRemapper {
 			project.getLogger().debug("Transformed mixin reference maps in output JAR!");
 		}
 
+		if (NestedJars.addNestedJars(project, modJarOutput)) {
+			project.getLogger().debug("Added nested jar paths to mod json");
+		}
+
 		try {
 			if (modJar.exists()) {
 				Files.move(modJar, modJarUnmappedCopy);

src/main/java/net/fabricmc/loom/util/NestedJars.java

@@ -0,0 +1,118 @@
+/*
+ * 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 com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import net.fabricmc.loom.task.RemapJar;
+import org.gradle.api.Project;
+import org.gradle.api.Task;
+import org.gradle.api.artifacts.Configuration;
+import org.gradle.api.artifacts.Dependency;
+import org.gradle.api.artifacts.DependencySet;
+import org.gradle.api.artifacts.ProjectDependency;
+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 java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.zip.ZipEntry;
+
+public class NestedJars {
+
+	private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
+
+	public static boolean addNestedJars(Project project, File modJar) {
+		if (getContainedJars(project).isEmpty()) {
+			return false;
+		}
+
+		ZipUtil.addEntries(modJar, getContainedJars(project).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) throws IOException {
+				JsonObject json = GSON.fromJson(input, JsonObject.class);
+				JsonArray nestedJars = json.getAsJsonArray("jars");
+				if (nestedJars == null || !json.has("jars")) {
+					nestedJars = new JsonArray();
+				}
+
+				for (File file : getContainedJars(project)) {
+					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.INCLUDE);
+		DependencySet dependencies = configuration.getDependencies();
+		for (Dependency dependency : dependencies) {
+			if (dependency instanceof ProjectDependency) {
+				ProjectDependency projectDependency = (ProjectDependency) dependency;
+				Project dependencyProject = projectDependency.getDependencyProject();
+
+				//TODO change this to allow just normal jar tasks, so a project can have a none loom sub project
+				for (Task task : dependencyProject.getTasksByName("remapJar", false)) {
+					if (task instanceof RemapJar) {
+						fileList.add(((RemapJar) task).jar);
+					}
+				}
+			} else {
+				fileList.addAll(configuration.files(dependency));
+			}
+		}
+		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;
+	}
+
+	private static ZipEntryTransformerEntry[] single(ZipEntryTransformerEntry element) {
+		return new ZipEntryTransformerEntry[]{element};
+	}
+}