Iris/gradle/packed-jar.gradle

import org.gradle.api.tasks.compile.JavaCompile
import org.gradle.api.artifacts.component.ComponentIdentifier

configurations {
    packedXz
}

dependencies {
    packedXz('org.tukaani:xz:1.10')
}

def originalJar = tasks.named('jar', Jar)
sourceSets {
    packedBootstrap {
        java.srcDir('packaging/xz/src/main/java')
        compileClasspath = files(originalJar.flatMap { it.archiveFile }) + configurations.packedXz
    }
    packedBootstrapTest {
        java.srcDir('packaging/xz/src/test/java')
        compileClasspath += sourceSets.packedBootstrap.output + sourceSets.packedBootstrap.compileClasspath
        runtimeClasspath += sourceSets.packedBootstrap.output + sourceSets.packedBootstrap.compileClasspath
    }
}

dependencies {
    packedBootstrapTestImplementation('junit:junit:4.13.2')
}

tasks.named('compilePackedBootstrapJava', JavaCompile).configure {
    dependsOn(originalJar)
}

tasks.register('packedBootstrapTest', Test) {
    group = 'verification'
    testClassesDirs = sourceSets.packedBootstrapTest.output.classesDirs
    classpath = sourceSets.packedBootstrapTest.runtimeClasspath
}

tasks.register('packedJar', PackedJar) {
    group = 'build'
    description = 'Builds a Bukkit jar with an embedded XZ runtime payload.'
    dependsOn(tasks.named('verifyBukkitArtifact'), tasks.named('packedBootstrapClasses'), configurations.nativeRuntime)
    inputJar.set(originalJar.flatMap { it.archiveFile })
    bootstrapClasses.from(sourceSets.packedBootstrap.output.classesDirs)
    decoderJars.from(configurations.packedXz)
    nativeArtifacts.set(providers.provider {
        Map<ComponentIdentifier, File> resolved = new LinkedHashMap<>()
        configurations.nativeRuntime.incoming.artifacts.artifacts.each { artifact ->
            resolved.put(artifact.id.componentIdentifier, artifact.file)
        }
        PackedJar.resolveNativeArtifacts(resolved)
    })
    outputJar.set(layout.buildDirectory.file(originalJar.flatMap { it.archiveFileName }
        .map { String name -> "libs/${name.replaceFirst(/\.jar$/, '-xz.jar')}" }))
}

tasks.named('check').configure {
    dependsOn(tasks.named('packedBootstrapTest'))
}