[Forge/Kotlin/shadow] 解决在 Kotlin 开发 Forge 模组时，使用 shadow 无法成功替换映射表

[张杰宁]

在使用 Kotlin 开发 Forge 模组时，使用 shadow 构建无法正确替换映射表的时候，这是一个解决方案示例。​

原贴：https://discuss.mc9y.com/d/22

import net.minecraftforge.gradle.userdev.UserDevExtension
import net.minecraftforge.gradle.userdev.tasks.RenameJarInPlace

buildscript {
    repositories {
        maven("https://files.minecraftforge.net/maven")
    }
    dependencies {
        classpath("net.minecraftforge.gradle:ForgeGradle:3.+")
    }
}

plugins {
    kotlin("jvm") version "1.9.21"
    id("com.github.johnrengelman.shadow") version "8.1.1"
    id("net.minecraftforge.gradle") version "[6.0.16,6.2)"
}

dependencies {
    minecraft("net.minecraftforge:forge:1.12.2-14.23.5.2860")
}

val Project.configureMinecraft get() = extensions.getByName<UserDevExtension>("minecraft")
configureMinecraft.mappings("snapshot", "20171003-1.12")

kotlin {
    jvmToolchain(8)
}

tasks {
    shadowJar {
        relocate("kotlin", "com.aiyostudio.kotlin")
        dependencies {
            include(dependency("org.jetbrains.kotlin:kotlin-stdlib:1.9.21"))
        }
    }
}

tasks.jar {
    finalizedBy("reobfJar")
}

val reobfJar: TaskProvider<RenameJarInPlace> = tasks.register("reobfJar", RenameJarInPlace::class)
reobfJar.configure {
    dependsOn(tasks.shadowJar)
}

fun DependencyHandler.minecraft(
    dependencyNotation: Any
): Dependency? = add("minecraft", dependencyNotation)