Forge now nearly works, it just dosent have a preprocessor

build.gradle

@@ -93,11 +93,24 @@ subprojects { p ->
     // Does the same as "p == project(":common") || p == project(":fabric") || p == project(":quilt")  || p == project(":forge")"
     // Useful later on so we dont have duplicated code
     def isMinecraftSubProject = p != project(":core") && p != project(":api")
+    // You can not enable manifold when forge is updating its mappings, so this is a hacky fix for it
+    def enableForgeManifold = false
+    gradle.taskGraph.whenReady { taskGraph ->
+        // Only add manifold to forge when this is disabled
+        // runtimeClasspathCopy runs when forge is attempting to compile the mappings
+        // but if manifold is enabled at that time then it would fail
+        // FIXME: This hack dosent work :/
+//        println taskGraph.allTasks
+        if (!taskGraph.hasTask(":forge:runtimeClasspathCopy")) {
+            println "Enabling forge manifold"
+            enableForgeManifold = true
+        }
+    }
 
 
     // Apply plugins
     apply plugin: "java"
-    if (isMinecraftSubProject)
+    if (isMinecraftSubProject && enableForgeManifold)
         apply plugin: "systems.manifold.manifold-gradle-plugin"
     apply plugin: "com.github.johnrengelman.shadow"
 //    apply plugin: "org.spongepowered.gradle.vanilla" // Provides minecraft libraries
@@ -107,9 +120,10 @@ subprojects { p ->
 
 
     // Set the manifold version (may not be required tough)
-    manifold {
-        manifoldVersion = rootProject.manifold_version
-    }
+    if (enableForgeManifold)
+        manifold {
+            manifoldVersion = rootProject.manifold_version
+        }
 
 
     // set up custom configurations (configurations are a way to handle dependencies) 
@@ -148,7 +162,7 @@ subprojects { p ->
         
 
         // Manifold
-        if (isMinecraftSubProject)
+        if (isMinecraftSubProject && enableForgeManifold)
             annotationProcessor("systems.manifold:manifold-preprocessor:${rootProject.manifold_version}")
 
         // Log4j
@@ -244,6 +258,18 @@ allprojects { p ->
     // Does the same as "p == project(":common") || p == project(":fabric") || p == project(":quilt")  || p == project(":forge")"
     // Useful later on so we dont have duplicated code
     def isMinecraftSubProject = p != project(":core") && p != project(":api")
+    // You can not enable manifold when forge is updating its mappings, so this is a hacky fix for it
+    def enableForgeManifold = false
+    gradle.taskGraph.whenReady { taskGraph ->
+        // Only add manifold to forge when this is disabled
+        // runtimeClasspathCopy runs when forge is attempting to compile the mappings
+        // but if manifold is enabled at that time then it would fail
+        println taskGraph.allTasks
+        if (!taskGraph.hasTask(":forge:runtimeClasspathCopy")) {
+            println "Enabling forge manifold"
+            enableForgeManifold = true
+        }
+    }
 
 
     apply plugin: "java"
@@ -410,7 +436,7 @@ allprojects { p ->
     tasks.withType(JavaCompile) {
         if (isMinecraftSubProject) {
             options.release = rootProject.java_version as Integer
-            if (p != project(":forge")) // FIXME
+            if (enableForgeManifold)
                 options.compilerArgs += ['-Xplugin:Manifold']
         } else {
             options.release = 8; // Core & Api should use Java 8 no matter what

versionProperties/1.18.2.properties

@@ -34,7 +34,7 @@ fabric_api_version=0.67.1+1.18.2
     enable_canvas=0
 
 # Forge loader
-forge_version=40.0.18
+forge_version=40.0.32 # TODO: Update forge
     # Forge mod versions
     starlight_version_forge=
     terraforged_version=