Fix launcher trying to download processor outputs

Fix for forge 1.20.4; the generated client jar is specified as a library
because it goes on the classpath now.

launcher-builder/src/main/java/com/skcraft/launcher/builder/loaders/ModernForgeLoaderProcessor.java

@@ -150,6 +150,22 @@ public class ModernForgeLoaderProcessor implements ILoaderProcessor {
 				// Add loader manifest to the map
 				manifest.getLoaders().put(loaderName, new LoaderManifest(profile.getLibraries(), profile.getData(), extraFiles));
 
+				// Find name of final patched library and mark it as excluded from download
+				// TODO: we should generalize this to all process outputs, really
+				SidedData<String> finalJars = profile.getData().get("PATCHED");
+				if (finalJars != null) {
+					String libraryName = finalJars.getClient();
+					libraryName = libraryName.substring(1, libraryName.length() - 1);
+
+					for (Library lib : result.getLoaderLibraries()) {
+						if (lib.getName().equals(libraryName)) {
+							lib.setGenerated(true);
+							log.info(String.format("Setting generated flag on library '%s'", lib.getName()));
+							break;
+						}
+					}
+				}
+
 				// Add processors
 				manifest.getTasks().addAll(profile.toProcessorEntries(loaderName));
 			}

launcher/src/main/java/com/skcraft/launcher/model/minecraft/Library.java

@@ -8,6 +8,7 @@ package com.skcraft.launcher.model.minecraft;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
 import com.google.common.base.Joiner;
 import com.google.common.base.Splitter;
 import com.google.common.collect.Lists;
@@ -33,7 +34,8 @@ public class Library {
     private String comment;
 
     // Custom
-    private boolean locallyAvailable;
+    @JsonInclude(value = JsonInclude.Include.NON_DEFAULT)
+    private boolean generated;
 
     public boolean matches(Environment environment) {
         boolean allow = false;

launcher/src/main/java/com/skcraft/launcher/update/BaseUpdater.java

@@ -249,6 +249,8 @@ public abstract class BaseUpdater {
         }
 
         for (Library library : allLibraries) {
+            if (library.isGenerated()) continue; // Skip generated libraries.
+
             if (library.matches(environment)) {
                 checkInterrupted();