Move away from deprecation, move dependencies towards buildSrc

build.gradle

@@ -1,8 +1,7 @@
 plugins {
-    id 'net.minecrell.licenser' version '0.4.1' apply false
-    id "org.ajoberstar.grgit" version "3.1.1"
-    id "com.github.johnrengelman.shadow" version "5.1.0"
-    id "com.jfrog.artifactory" version "4.9.7"
+    id "org.ajoberstar.grgit"
+    id "com.github.johnrengelman.shadow"
+    id "com.jfrog.artifactory"
 }
 
 println """

buildSrc/build.gradle.kts

@@ -0,0 +1,32 @@
+plugins {
+    `kotlin-dsl`
+    kotlin("jvm") version embeddedKotlinVersion
+}
+
+repositories {
+    jcenter()
+    gradlePluginPortal()
+    maven {
+        name = "Forge Maven"
+        url = uri("https://files.minecraftforge.net/maven")
+    }
+}
+
+configurations.all {
+    resolutionStrategy {
+        // Fabric needs this.
+        force("commons-io:commons-io:2.5", "org.ow2.asm:asm:7.1")
+    }
+}
+
+dependencies {
+    implementation(gradleApi())
+    implementation("gradle.plugin.net.minecrell:licenser:0.4.1")
+    implementation("org.ajoberstar.grgit:grgit-gradle:3.1.1")
+    implementation("com.github.jengelman.gradle.plugins:shadow:5.1.0")
+    implementation("net.ltgt.apt-eclipse:net.ltgt.apt-eclipse.gradle.plugin:0.21")
+    implementation("net.ltgt.apt-idea:net.ltgt.apt-idea.gradle.plugin:0.21")
+    implementation("org.jfrog.buildinfo:build-info-extractor-gradle:4.9.7")
+    implementation("gradle.plugin.org.spongepowered:spongegradle:0.9.0")
+    implementation("net.minecraftforge.gradle:ForgeGradle:3.0.130")
+}

worldedit-core/build.gradle

@@ -1,13 +1,11 @@
 plugins {
-    id("net.ltgt.apt") version "0.21" apply false
+    id("java-library")
+    id("eclipse")
+    id("idea")
+    id("net.ltgt.apt-eclipse")
+    id("net.ltgt.apt-idea")
 }
 
-apply plugin: 'java-library'
-apply plugin: 'eclipse'
-apply plugin: 'idea'
-apply plugin: 'net.ltgt.apt-eclipse'
-apply plugin: 'net.ltgt.apt-idea'
-
 configurations.all { Configuration it ->
     it.resolutionStrategy { ResolutionStrategy rs ->
         rs.force("com.google.guava:guava:21.0")

worldedit-core/doctools/build.gradle.kts

@@ -1,7 +1,7 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    kotlin("jvm") version "1.3.31"
+    kotlin("jvm") version "1.3.41"
 }
 
 tasks.withType<KotlinCompile> {

worldedit-fabric/build.gradle

@@ -77,7 +77,7 @@ jar {
 }
 
 shadowJar {
-    classifier = 'dist-dev'
+    archiveClassifier.set("dist-dev")
     dependencies {
         relocate "org.slf4j", "com.sk89q.worldedit.slf4j"
         relocate "org.apache.logging.slf4j", "com.sk89q.worldedit.log4jbridge"
@@ -89,7 +89,7 @@ shadowJar {
 
 task deobfJar(type: Jar) {
     from sourceSets.main.output
-    classifier = 'dev'
+    archiveClassifier.set("dev")
 }
 
 artifacts {
@@ -97,8 +97,8 @@ artifacts {
 }
 
 task shadowJarRemap(type: RemapJarTask) {
-    input shadowJar.archivePath
-    output new File(shadowJar.archivePath.getAbsolutePath().replaceFirst('-dev\\.jar$', ".jar"))
+    input shadowJar.archiveFile
+    output new File(shadowJar.archiveFile.get().asFile.getAbsolutePath().replaceFirst('-dev\\.jar$', ".jar"))
 }
 
 shadowJarRemap.dependsOn(shadowJar)

worldedit-sponge/build.gradle

@@ -1,14 +1,5 @@
-buildscript {
-    repositories {
-        mavenCentral()
-        maven { url = "https://files.minecraftforge.net/maven" }
-        maven { url = "https://oss.sonatype.org/content/repositories/snapshots/" }
-        jcenter()
-    }
-}
-
 plugins {
-    id 'org.spongepowered.plugin' version '0.9.0'
+    id("org.spongepowered.plugin")
 }
 
 repositories {