Gradle Fat JAR build

build.gradle

plugins {
  id 'application'
  id 'java'
}

repositories {
  mavenCentral()
  jcenter()
}

dependencies {
  ...
}

application {
    mainClassName = 'test.App'
}

task fatJar(type: Jar) {
  manifest {
    attributes 'Main-Class': 'test.App'
  }
  archiveClassifier = "all"
  from {
    configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
    configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }
  }
  with jar
}