From f3b43b3132da334acfe7a8efb5174c87ca2449a5 Mon Sep 17 00:00:00 2001
From: Johann Bernhardt <johann.bernhardt@tum.de>
Date: Sun, 7 Nov 2021 11:19:38 +0100
Subject: [PATCH] Provide manifest for dev and sources jar

---
 build.gradle | 77 +++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 61 insertions(+), 16 deletions(-)

diff --git a/build.gradle b/build.gradle
index 80a6cc3..46f5232 100644
--- a/build.gradle
+++ b/build.gradle
@@ -165,13 +165,11 @@ shadowJar {
 
     if(usesMixins.toBoolean()) {
         from refMap
-        manifest {
-            manifestAttributes += [
-                    "TweakClass" : "org.spongepowered.asm.launch.MixinTweaker",
-                    "MixinConfigs" : mixinConfigJson,
-                    "ForceLoadAsMod" : containsMixinsAndOrCoreModOnly.toBoolean() == false
-            ]
-        }
+        manifestAttributes += [
+                "TweakClass" : "org.spongepowered.asm.launch.MixinTweaker",
+                "MixinConfigs" : mixinConfigJson,
+                "ForceLoadAsMod" : containsMixinsAndOrCoreModOnly.toBoolean() == false
+        ]
     }
     manifest {
         attributes(manifestAttributes)
@@ -198,13 +196,11 @@ jar {
 
     if(usesMixins.toBoolean()) {
         from refMap
-        manifest {
-            manifestAttributes += [
-                    "TweakClass" : "org.spongepowered.asm.launch.MixinTweaker",
-                    "MixinConfigs" : mixinConfigJson,
-                    "ForceLoadAsMod" : containsMixinsAndOrCoreModOnly.toBoolean() == false
-            ]
-        }
+        manifestAttributes += [
+                "TweakClass" : "org.spongepowered.asm.launch.MixinTweaker",
+                "MixinConfigs" : mixinConfigJson,
+                "ForceLoadAsMod" : containsMixinsAndOrCoreModOnly.toBoolean() == false
+        ]
     }
     manifest {
         attributes(manifestAttributes)
@@ -296,13 +292,62 @@ processResources
 task sourcesJar(type: Jar) {
     from (sourceSets.main.allJava)
     from (file("$projectDir/LICENSE"))
-
     getArchiveClassifier().set('sources')
+
+    def manifestAttributes = [:]
+    if(containsMixinsAndOrCoreModOnly.toBoolean() == false) {
+        manifestAttributes += ["FMLCorePluginContainsFMLMod": true]
+    }
+
+    if(accessTransformersFile) {
+        manifestAttributes += ["FMLAT" : accessTransformersFile.toString()]
+    }
+
+    if(coreModClass) {
+        manifestAttributes += ["FMLCorePlugin": modGroup + "." + coreModClass]
+    }
+
+    if(usesMixins.toBoolean()) {
+        from refMap
+        manifestAttributes += [
+                "TweakClass" : "org.spongepowered.asm.launch.MixinTweaker",
+                "MixinConfigs" : mixinConfigJson,
+                "ForceLoadAsMod" : containsMixinsAndOrCoreModOnly.toBoolean() == false
+        ]
+    }
+    manifest {
+        attributes(manifestAttributes)
+    }
 }
 
 task devJar(type: Jar) {
     from sourceSets.main.output
-    archiveClassifier.set("dev")
+    getArchiveClassifier().set("dev")
+
+    def manifestAttributes = [:]
+    if(containsMixinsAndOrCoreModOnly.toBoolean() == false) {
+        manifestAttributes += ["FMLCorePluginContainsFMLMod": true]
+    }
+
+    if(accessTransformersFile) {
+        manifestAttributes += ["FMLAT" : accessTransformersFile.toString()]
+    }
+
+    if(coreModClass) {
+        manifestAttributes += ["FMLCorePlugin": modGroup + "." + coreModClass]
+    }
+
+    if(usesMixins.toBoolean()) {
+        from refMap
+        manifestAttributes += [
+                "TweakClass" : "org.spongepowered.asm.launch.MixinTweaker",
+                "MixinConfigs" : mixinConfigJson,
+                "ForceLoadAsMod" : containsMixinsAndOrCoreModOnly.toBoolean() == false
+        ]
+    }
+    manifest {
+        attributes(manifestAttributes)
+    }
 }
 
 task apiJar(type: Jar) {