build.gradle

plugins {
	id 'java'
	id 'maven-publish'
	id 'java-gradle-plugin'
	id 'idea'
	id 'eclipse'
	id 'groovy'
	id 'checkstyle'
	id 'codenarc'
	alias(libs.plugins.kotlin) apply false // Delay this so we can perform magic 🪄 first.
	alias(libs.plugins.spotless)
	alias(libs.plugins.retry)
}

/**
 * Haha this is fun :) The Kotlin gradle plugin triggers deprecation warnings for custom configurations (https://youtrack.jetbrains.com/issue/KT-60879)
 * We need to make DefaultConfiguration.isSpecialCaseOfChangingUsage think that our configurstion is a special case and not deprecated.
 * We do this by setting DefaultConfiguration.roleAtCreation to LEGACY, thus isInLegacyRole will now return true.
 *
 * Yeah I know we can just ignore the deprecation warning, but doing so wouldn't alert us to issues when testing against pre-release Gradle versions. Also this is more fun :)
 */
def brokenConfigurations = [
	"commonDecompilerRuntimeClasspath",
	"fernflowerRuntimeClasspath",
	"cfrRuntimeClasspath",
	"vineflowerRuntimeClasspath"
]

configurations.configureEach {
	if (brokenConfigurations.contains(it.name)) {
		// For some reason Gradle stops us from using Groovy magic to do this, so lets do it the boring way.
		def field = org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.class.getDeclaredField("roleAtCreation")
		field.setAccessible(true)
		field.set(it, ConfigurationRoles.LEGACY)
	}
}

// Ensure we apply the Kotlin plugin after, to allow for the above configuration to take place first
apply plugin: libs.plugins.kotlin.get().pluginId

tasks.withType(JavaCompile).configureEach {
	it.options.encoding = "UTF-8"
}

tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
	kotlinOptions {
		jvmTarget = "17"
	}
}

group = 'net.fabricmc'
def baseVersion = '1.8'

def ENV = System.getenv()
if (ENV.BUILD_NUMBER) {
	if (ENV.EXPERIMENTAL) {
		version = baseVersion + '.0-alpha.' + ENV.BUILD_NUMBER
	} else {
		version = baseVersion + '.' + ENV.BUILD_NUMBER
	}
} else {
	version = baseVersion + '.local'
}

// We must build against the version of Kotlin Gradle ships with.
def props = new Properties()
Project.class.getClassLoader().getResource("gradle-kotlin-dsl-versions.properties").openStream().withCloseable {
	props.load(it)
}
def kotlinVersion = props.getProperty("kotlin")
if (libs.versions.kotlin.get() != kotlinVersion) {
	throw new IllegalStateException("Requires Kotlin version: ${kotlinVersion}")
}

repositories {
	maven {
		name = 'Fabric'
		url = 'https://maven.fabricmc.net/'
	}
	mavenCentral()
}

configurations {
	bootstrap {
		transitive false
	}
	compileClasspath.extendsFrom bootstrap
	runtimeClasspath.extendsFrom bootstrap
	testRuntimeClasspath.extendsFrom bootstrap
}

configurations.configureEach {
	resolutionStrategy {
		failOnNonReproducibleResolution()
	}

	if (canBeConsumed)  {
		attributes {
			attribute(GradlePluginApiVersion.GRADLE_PLUGIN_API_VERSION_ATTRIBUTE, objects.named(GradlePluginApiVersion, GradleVersion.current().getVersion()))
		}
	}
}

sourceSets {
	commonDecompiler {
		java {
			srcDir("src/decompilers/common")
		}
	}
	fernflower {
		java {
			srcDir("src/decompilers/fernflower")
		}
	}
	cfr {
		java {
			srcDir("src/decompilers/cfr")
		}
	}
	vineflower {
		java {
			srcDir("src/decompilers/vineflower")
		}
	}
}

dependencies {
	implementation gradleApi()

	bootstrap project(":bootstrap")

	// libraries
	implementation libs.commons.io
	implementation libs.gson
	implementation libs.guava
	implementation libs.bundles.asm

	// game handling utils
	implementation (libs.fabric.stitch) {
		exclude module: 'enigma'
	}

	// tinyfile management
	implementation libs.fabric.tiny.remapper
	implementation libs.fabric.access.widener
	implementation libs.fabric.mapping.io
	implementation (libs.fabric.lorenz.tiny) {
		transitive = false
	}

	implementation libs.fabric.loom.nativelib

	// decompilers
	fernflowerCompileOnly runtimeLibs.fernflower
	fernflowerCompileOnly libs.fabric.mapping.io

	cfrCompileOnly runtimeLibs.cfr
	cfrCompileOnly libs.fabric.mapping.io

	vineflowerCompileOnly runtimeLibs.vineflower
	vineflowerCompileOnly libs.fabric.mapping.io

	fernflowerApi sourceSets.commonDecompiler.output
	cfrApi sourceSets.commonDecompiler.output
	vineflowerApi sourceSets.commonDecompiler.output

	implementation sourceSets.commonDecompiler.output
	implementation sourceSets.fernflower.output
	implementation sourceSets.cfr.output
	implementation sourceSets.vineflower.output

	// source code remapping
	implementation libs.fabric.mercury

	// Kotlin
	implementation(libs.kotlin.metadata) {
		transitive = false
	}

	// Kapt integration
	compileOnly libs.kotlin.gradle.plugin

	// Testing
	testImplementation(gradleTestKit())
	testImplementation(testLibs.spock) {
		exclude module: 'groovy-all'
	}
	testImplementation testLibs.junit.jupiter.engine
	testRuntimeOnly testLibs.junit.platform.launcher
	testImplementation (testLibs.javalin) {
		exclude group: 'org.jetbrains.kotlin'
	}
	testImplementation testLibs.mockito
	testImplementation testLibs.java.debug

	compileOnly runtimeLibs.jetbrains.annotations
	testCompileOnly runtimeLibs.jetbrains.annotations

	testCompileOnly (testLibs.mixin) {
		transitive = false
	}
}

jar {
	manifest {
		attributes 'Implementation-Version': project.version
	}

	from configurations.bootstrap.collect { it.isDirectory() ? it : zipTree(it) }
	from sourceSets.commonDecompiler.output.classesDirs
	from sourceSets.cfr.output.classesDirs
	from sourceSets.fernflower.output.classesDirs
	from sourceSets.vineflower.output.classesDirs
}

base {
	archivesName = project.name
}

tasks.withType(JavaCompile).configureEach {
	it.options.release = 17
}

java {
	withSourcesJar()
	sourceCompatibility = JavaVersion.VERSION_17
	targetCompatibility = JavaVersion.VERSION_17
}

spotless {
	lineEndings = com.diffplug.spotless.LineEnding.UNIX

	java {
		licenseHeaderFile(rootProject.file("HEADER")).yearSeparator("-")
		targetExclude("**/loom/util/DownloadUtil.java")
	}

	groovy {
		importOrder('java', 'javax', '', 'net.fabricmc', '\\#')
		licenseHeaderFile(rootProject.file("HEADER")).yearSeparator("-")
		greclipse()
	}

	groovyGradle {
		target 'src/**/*.gradle', '*.gradle'
		greclipse()
	}

	kotlin {
		licenseHeaderFile(rootProject.file("HEADER")).yearSeparator("-")
		targetExclude("**/build.gradle.kts")
		targetExclude("src/test/resources/projects/*/**")
		ktlint()
	}
}

checkstyle {
	configFile = file('checkstyle.xml')
	toolVersion = libs.versions.checkstyle.get()
}

// Workaround https://github.com/gradle/gradle/issues/27035
configurations.checkstyle {
	resolutionStrategy.capabilitiesResolution.withCapability("com.google.collections:google-collections") {
		select("com.google.guava:guava:0")
	}
}

codenarc {
	toolVersion = libs.versions.codenarc.get()
	configFile = file("codenarc.groovy")
}

gradlePlugin {
	plugins {
		fabricLoom {
			id = 'fabric-loom'
			implementationClass = 'net.fabricmc.loom.bootstrap.LoomGradlePluginBootstrap'
		}
	}
}

test {
	maxHeapSize = "2560m"
	jvmArgs "-XX:+HeapDumpOnOutOfMemoryError"
	useJUnitPlatform()

	// Forward system prop onto tests.
	if (System.getProperty("fabric.loom.test.homeDir")) {
		systemProperty "fabric.loom.test.homeDir", System.getProperty("fabric.loom.test.homeDir")
	}


	if (ENV.CI) {
		retry {
			maxRetries = 3
		}
	}
}

// Workaround https://github.com/gradle/gradle/issues/25898
tasks.withType(Test).configureEach {
	jvmArgs = [
		'--add-opens=java.base/java.lang=ALL-UNNAMED',
		'--add-opens=java.base/java.util=ALL-UNNAMED',
		'--add-opens=java.base/java.lang.invoke=ALL-UNNAMED',
		'--add-opens=java.base/java.net=ALL-UNNAMED'
	]
}


import org.gradle.api.internal.artifacts.configurations.ConfigurationRoles
import org.gradle.util.GradleVersion
import org.w3c.dom.Document
import org.w3c.dom.Element
import org.w3c.dom.Node

publishing {
	publications {
		if (!ENV.EXPERIMENTAL) {
			// Also publish a snapshot so people can use the latest version if they wish
			snapshot(MavenPublication) { publication ->
				groupId project.group
				artifactId project.base.archivesName.get()
				version baseVersion + '-SNAPSHOT'

				from components.java
			}

			// Manually crate the plugin marker for snapshot versions
			snapshotPlugin(MavenPublication) { publication ->
				groupId 'fabric-loom'
				artifactId 'fabric-loom.gradle.plugin'
				version baseVersion + '-SNAPSHOT'

				pom.withXml({
					// Based off org.gradle.plugin.devel.plugins.MavenPluginPublishPlugin
					Element root = asElement()
					Document document = root.getOwnerDocument()
					Node dependencies = root.appendChild(document.createElement('dependencies'))
					Node dependency = dependencies.appendChild(document.createElement('dependency'))
					Node groupId = dependency.appendChild(document.createElement('groupId'))
					groupId.setTextContent('net.fabricmc')
					Node artifactId = dependency.appendChild(document.createElement('artifactId'))
					artifactId.setTextContent('fabric-loom')
					Node version = dependency.appendChild(document.createElement('version'))
					version.setTextContent(baseVersion + '-SNAPSHOT')
				})
			}
		}
	}
	repositories {
		maven {
			if (ENV.MAVEN_URL) {
				url ENV.MAVEN_URL
				credentials {
					username ENV.MAVEN_USERNAME
					password ENV.MAVEN_PASSWORD
				}
			}
		}
	}
}

// Need to tweak this file to pretend we are compatible with j8 so the bootstrap will run.
tasks.withType(GenerateModuleMetadata).configureEach {
	doLast {
		def file = outputFile.get().asFile

		def metadata = new groovy.json.JsonSlurper().parseText(file.text)

		metadata.variants.each {
			it.attributes["org.gradle.jvm.version"] = 8
		}

		file.text = groovy.json.JsonOutput.toJson(metadata)
	}
}

// A task to output a json file with a list of all the test to run
tasks.register('writeActionsTestMatrix') {
	doLast {
		def testMatrix = []
		file('src/test/groovy/net/fabricmc/loom/test/integration').eachFile {
			if (it.name.endsWith("Test.groovy")) {
				if (it.name.endsWith("ReproducibleBuildTest.groovy")) {
					// This test gets a special case to run across all os's
					return
				}

				if (it.name.endsWith("DebugLineNumbersTest.groovy")) {
					// Known flakey test
					return
				}

				def className = it.name.replace(".groovy", "")
				testMatrix.add("net.fabricmc.loom.test.integration.${className}")
			}
		}

		// Run all the unit tests together
		testMatrix.add("net.fabricmc.loom.test.unit.*")

		// Kotlin tests
		testMatrix.add("net.fabricmc.loom.test.kotlin.*")

		def json = groovy.json.JsonOutput.toJson(testMatrix)
		def output = file("build/test_matrix.json")
		output.parentFile.mkdir()
		output.text = json
	}
}

tasks.named('wrapper') {
	distributionType = Wrapper.DistributionType.ALL
}

/**
 * Run this task to download the gradle sources next to the api jar, you may need to manually attach the sources jar
 */
tasks.register('downloadGradleSources') {
	doLast {
		// Awful hack to find the gradle api location
		def gradleApiFile = project.configurations.detachedConfiguration(dependencies.gradleApi()).files.stream()
				.find {
					it.name.startsWith("gradle-api")
				}

		def gradleApiSources = new File(gradleApiFile.absolutePath.replace(".jar", "-sources.jar"))
		def url = "https://services.gradle.org/distributions/gradle-${GradleVersion.current().getVersion()}-src.zip"

		gradleApiSources.delete()

		println("Downloading (${url}) to (${gradleApiSources})")
		gradleApiSources << new URL(url).newInputStream()
	}
}

tasks.register('printActionsTestName', PrintActionsTestName) {
}

/**
 * Replaces invalid characters in test names for GitHub Actions artifacts.
 */
abstract class PrintActionsTestName extends DefaultTask {
	@Input
	@Option(option = "name", description = "The test name")
	String testName

	@TaskAction
	def run() {
		def sanitised = testName.replace('*', '_')
		new File(System.getenv().GITHUB_OUTPUT) << "\ntest=$sanitised"
	}
}

apply from: rootProject.file('gradle/versions.gradle')