build.gradle

buildscript {
    ext.kotlin_version = '1.1.3'
    ext.vertx_version = '3.4.2'
    ext.application_name = 'Gradle Kotlin Vert.x demo project'
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

apply plugin: 'kotlin'
apply plugin: 'application'

mainClassName = 'alphabetapeter.MainKt'

defaultTasks 'run'

repositories {
  mavenCentral()
}

compileKotlin {
  sourceCompatibility = JavaVersion.VERSION_1_8
  targetCompatibility = JavaVersion.VERSION_1_8

  kotlinOptions {
    jvmTarget = "1.8"
  }
}

task getHomeDir() {
    println gradle.gradleHomeDir
}

task buildJar(type: Jar) {
	manifest {
        attributes 'Implementation-Title': "$application_name",
        	'Implementation-Version': '1',
        	'Main-Class': 'alphabetapeter.MainKt'
    }
    baseName = 'application'
    from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
    with jar
}

task stage(dependsOn: ['buildJar', 'clean'])
buildJar.mustRunAfter clean

task wrapper(type: Wrapper) {
  gradleVersion = "4.2"
}

dependencies {
  compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
  compile "io.vertx:vertx-core:$vertx_version"
  compile "io.vertx:vertx-web:$vertx_version"
  testCompile 'junit:junit:4.11'
  testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version"
}