Find and apply installer data (#1428)

src/main/java/net/fabricmc/loom/configuration/DebofInstallerData.java

@@ -0,0 +1,82 @@
+/*
+ * This file is part of fabric-loom, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2025 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.io.File;
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.util.Objects;
+import java.util.Optional;
+
+import org.gradle.api.Project;
+import org.gradle.api.artifacts.Configuration;
+import org.jetbrains.annotations.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import net.fabricmc.loom.configuration.processors.speccontext.DebofConfiguration;
+import net.fabricmc.loom.util.ZipUtils;
+import net.fabricmc.loom.util.fmj.FabricModJson;
+import net.fabricmc.loom.util.fmj.FabricModJsonFactory;
+
+public class DebofInstallerData {
+	private static final Logger LOGGER = LoggerFactory.getLogger(DebofInstallerData.class);
+
+	public static void findAndApply(Project project) {
+		for (DebofConfiguration debofConfiguration : DebofConfiguration.ALL) {
+			for (Configuration configuration : debofConfiguration.getConfigurations(project)) {
+				Optional<InstallerData> installerData = configuration.getFiles().parallelStream()
+						.map(DebofInstallerData::getInstaller)
+						.filter(Objects::nonNull)
+						.findFirst();
+
+				if (installerData.isPresent()) {
+					LOGGER.info("Applying installer data from configuration '{}'", configuration.getName());
+					installerData.get().applyToProject(project);
+					return;
+				}
+			}
+		}
+
+		LOGGER.info("No installer data found in any configuration.");
+	}
+
+	@Nullable
+	private static InstallerData getInstaller(File file) {
+		try {
+			byte[] installerData = ZipUtils.unpackNullable(file.toPath(), InstallerData.INSTALLER_PATH);
+
+			if (installerData == null) {
+				return null;
+			}
+
+			FabricModJson fabricModJson = FabricModJsonFactory.createFromZip(file.toPath());
+			LOGGER.info("Found installer in mod {} version {}", fabricModJson.getId(), fabricModJson.getModVersion());
+			return InstallerData.fromBytes(installerData, fabricModJson.getModVersion());
+		} catch (IOException e) {
+			throw new UncheckedIOException("Failed to read " + file, e);
+		}
+	}
+}