fix: gradle shadow shenanigans (#3374)

Author: PierreSchwang

build-logic/src/main/kotlin/buildlogic.platform.gradle.kts

@@ -11,6 +11,10 @@ val platform = extensions.create<buildlogic.PlatformExtension>("platform")
 platform.includeClasspath.convention(false)
 platform.extraAttributes.convention(mapOf())
 
+shadow {
+    addShadowVariantIntoJavaComponent = false
+}
+
 tasks.named<ShadowJar>("shadowJar") {
     archiveClassifier.set("dist")
     relocate("com.sk89q.jchronic", "com.sk89q.worldedit.jchronic")
@@ -32,11 +36,6 @@ tasks.named<ShadowJar>("shadowJar") {
         exclude(dependency(stringyLibs.getLibrary("lz4Java").get()))
     }
 }
-val javaComponent = components["java"] as AdhocComponentWithVariants
-// I don't think we want this published (it's the shadow jar)
-javaComponent.withVariantsFromConfiguration(configurations["shadowRuntimeElements"]) {
-    skip()
-}
 
 tasks.named<Jar>("jar") {
     val kind = platform.kind.get()

worldedit-bukkit/build.gradle.kts

@@ -166,14 +166,14 @@ tasks.register<ShadowJar>("reobfShadowJar") {
 
     // as is done by shadow for the default shadowJar
     from(sourceSets.main.map { it.output })
-    manifest.inheritFrom(tasks.jar.get().manifest)
-    exclude("META-INF/INDEX.LIST", "META-INF/*.SF", "META-INF/*.DSA", "META-INF/*.RSA", "module-info.class")
-
-    manifest {
-        attributes(
-            "FAWE-Plugin-Jar-Type" to "spigot"
-        )
+    manifest.from(tasks.jar.get().manifest) {
+     eachEntry {
+         if (key == "FAWE-Plugin-Jar-Type") {
+             value = "spigot"
+         }
+     }
     }
+    exclude("META-INF/INDEX.LIST", "META-INF/*.SF", "META-INF/*.DSA", "META-INF/*.RSA", "module-info.class")
 }
 
 tasks.named<ShadowJar>("shadowJar") {