Cleanup installer json handling, should hopefully fix incorrect dependency versions.

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

@@ -64,7 +64,6 @@ public class LoomGradleExtension {
 	private Project project;
 	private LoomDependencyManager dependencyManager;
 	private JsonObject installerJson;
-	private int installerJsonPriority = Integer.MAX_VALUE; // 0+, higher = less prioritized
 	private MappingSet[] srcMappingCache = new MappingSet[2];
 	private Mercury[] srcMercuryCache = new Mercury[2];
 
@@ -88,11 +87,8 @@ public class LoomGradleExtension {
 		return Collections.unmodifiableList(unmappedModsBuilt);
 	}
 
-	public void setInstallerJson(JsonObject object, int priority) {
-		if (installerJson == null || priority <= installerJsonPriority) {
-			this.installerJson = object;
-			this.installerJsonPriority = priority;
-		}
+	public void setInstallerJson(JsonObject object) {
+		this.installerJson = object;
 	}
 
 	public JsonObject getInstallerJson() {

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

@@ -27,15 +27,12 @@ package net.fabricmc.loom.util;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 
 import com.google.gson.JsonObject;
 import org.gradle.api.Project;
 import org.gradle.api.artifacts.Configuration;
-import org.gradle.api.artifacts.Dependency;
 import org.gradle.api.artifacts.ExternalModuleDependency;
 import org.gradle.api.artifacts.repositories.MavenArtifactRepository;
 
@@ -129,23 +126,20 @@ public class LoomDependencyManager {
 
 		if (extension.getInstallerJson() == null) {
 			//If we've not found the installer JSON we've probably skipped remapping Fabric loader, let's go looking
-			project.getLogger().info("Didn't find installer JSON, searching through modCompileClasspath");
-			Configuration configuration = project.getConfigurations().getByName(Constants.MOD_COMPILE_CLASSPATH);
+			project.getLogger().info("Searching through modCompileClasspath for installer JSON");
+			final Configuration configuration = project.getConfigurations().getByName(Constants.MOD_COMPILE_CLASSPATH);
 
-			Set<File> seenFiles = new HashSet<>();
+			for (File input : configuration.resolve()) {
+				JsonObject jsonObject = ModProcessor.readInstallerJson(input, project);
 
-			for (Dependency dependency : configuration.getDependencies()) {
-				DependencyInfo info = DependencyInfo.create(project, dependency, configuration);
-
-				for (File input : info.resolve()) {
-					if (seenFiles.add(input)) {
-						ModProcessor.readInstallerJson(input, project);
-
-						if (extension.getInstallerJson() != null) {
-							project.getLogger().info("Found installer JSON in " + info);
-							break; //Found it, probably don't need to look any further
-						}
+				if (jsonObject != null) {
+					if (extension.getInstallerJson() != null) {
+						project.getLogger().info("Found another installer JSON in, ignoring it! " + input);
+						continue;
 					}
+
+					project.getLogger().info("Found installer JSON in " + input);
+					extension.setInstallerJson(jsonObject);
 				}
 			}
 		}

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

@@ -141,8 +141,6 @@ public class ModCompileRemapper {
 		} else {
 			project.getLogger().info(output.getName() + " is up to date with " + input.getName());
 		}
-
-		ModProcessor.acknowledgeMod(input, output, project, config);
 	}
 
 	private static File findSources(DependencyHandler dependencies, ResolvedArtifact artifact) {

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

@@ -73,10 +73,6 @@ public class ModProcessor {
 		stripNestedJars(output);
 	}
 
-	public static void acknowledgeMod(File input, File output, Project project, Configuration config) {
-		readInstallerJson(input, project);
-	}
-
 	private static void handleNestedJars(File input, Project project, Configuration config) throws IOException {
 		JarFile jarFile = new JarFile(input);
 		JarEntry modJsonEntry = jarFile.getJarEntry("fabric.mod.json");
@@ -187,7 +183,7 @@ public class ModProcessor {
 		}
 	}
 
-	static void readInstallerJson(File file, Project project) {
+	static JsonObject readInstallerJson(File file, Project project) {
 		try {
 			LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
 			String launchMethod = extension.getLoaderLaunchMethod();
@@ -211,7 +207,7 @@ public class ModProcessor {
 					priority++;
 
 					if (entry == null) {
-						return;
+						return null;
 					}
 				}
 
@@ -221,9 +217,10 @@ public class ModProcessor {
 			}
 
 			JsonObject jsonObject = GSON.fromJson(jsonStr, JsonObject.class);
-			extension.setInstallerJson(jsonObject, priority);
+			return jsonObject;
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
+		return null;
 	}
 }