Make remapped configurations lazy

2 files changed, 78 insertions, 4 deletions

diff --git a/src/main/java/net/fabricmc/loom/configuration/CompileConfiguration.java b/src/main/java/net/fabricmc/loom/configuration/CompileConfiguration.java
index 45d114e1..9199bab4 100644
--- a/src/main/java/net/fabricmc/loom/configuration/CompileConfiguration.java
+++ b/src/main/java/net/fabricmc/loom/configuration/CompileConfiguration.java
@@ -72,11 +72,15 @@ public final class CompileConfiguration {
 		project.getConfigurations().maybeCreate(Constants.Configurations.LOOM_DEVELOPMENT_DEPENDENCIES);
 		project.getConfigurations().maybeCreate(Constants.Configurations.UNPICK_CLASSPATH);
 
+		LoomProjectData data = project.getExtensions().getByType(LoomGradleExtension.class).getProjectData();
+
 		for (RemappedConfigurationEntry entry : Constants.MOD_COMPILE_ENTRIES) {
-			Configuration compileModsConfig = project.getConfigurations().maybeCreate(entry.getSourceConfiguration());
-			compileModsConfig.setTransitive(true);
-			Configuration compileModsMappedConfig = project.getConfigurations().maybeCreate(entry.getRemappedConfiguration());
-			compileModsMappedConfig.setTransitive(false); // Don't get transitive deps of already remapped mods
+			data.createLazyConfiguration(entry.getSourceConfiguration())
+					.configure(configuration -> configuration.setTransitive(true));
+
+			// Don't get transitive deps of already remapped mods
+			data.createLazyConfiguration(entry.getRemappedConfiguration())
+					.configure(configuration -> configuration.setTransitive(false));
 
 			extendsFrom(entry.getTargetConfiguration(project.getConfigurations()), entry.getRemappedConfiguration(), project);
 
diff --git a/src/main/java/net/fabricmc/loom/configuration/LoomProjectData.java b/src/main/java/net/fabricmc/loom/configuration/LoomProjectData.java
new file mode 100644
index 00000000..2825ac18
--- /dev/null
+++ b/src/main/java/net/fabricmc/loom/configuration/LoomProjectData.java
@@ -0,0 +1,70 @@
+/*
+ * 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.configuration;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+import org.gradle.api.NamedDomainObjectProvider;
+import org.gradle.api.Project;
+import org.gradle.api.artifacts.Configuration;
+import org.jetbrains.annotations.ApiStatus;
+
+@ApiStatus.Internal
+/**
+ * This class is stored in the gradle extension, and should not be used outside of loom.
+ * It contains data/info related to the current project
+ */
+public final class LoomProjectData {
+	private final Project project;
+	private final Map<String, NamedDomainObjectProvider<Configuration>> lazyConfigurations = new HashMap<>();
+
+	public LoomProjectData(Project project) {
+		this.project = Objects.requireNonNull(project);
+	}
+
+	public NamedDomainObjectProvider<Configuration> createLazyConfiguration(String name) {
+		NamedDomainObjectProvider<Configuration> provider = project.getConfigurations().register(name);
+
+		if (lazyConfigurations.containsKey(name)) {
+			throw new IllegalStateException("Duplicate configuration name" + name);
+		}
+
+		lazyConfigurations.put(name, provider);
+
+		return provider;
+	}
+
+	public NamedDomainObjectProvider<Configuration> getLazyConfigurationProvider(String name) {
+		NamedDomainObjectProvider<Configuration> provider = lazyConfigurations.get(name);
+
+		if (provider == null) {
+			throw new NullPointerException("Could not find provider with name: " + name);
+		}
+
+		return provider;
+	}
+}