GreetingTask() {
        greeting.convention('hello from GreetingTask')
    }

    @TaskAction
    def greet() {
        println greeting.get()
    }
}

// Use the default greeting
tasks.register('hello', GreetingTask)

// Customize the greeting
tasks.register('greeting',GreetingTask) {
    greeting = 'greetings from GreetingTask'
}

import org.gradle.tooling.provider.model.ToolingModelBuilder
import javax.inject.Inject

apply plugin: CustomPlugin

class CustomModel implements Serializable {
    String getValue() { 'greetings' }
    Set<CustomThing> getThings() { return [new CustomThing()] }
    Map<String, CustomThing> getThingsByName() { return [thing: new CustomThing()] }
}
class CustomThing implements Serializable {
}

package org.gradle.sample;

public class Main {
    public static void main(String[] args) {
        if (System.getProperty("greeting.language").equals("en")) {
            System.out.println("Greetings from the sample application.");
        } else {
            System.out.println("Bonjour, monde!");
        }
    }

// tag::use-plugin[]
plugins {
    application
    id("greetings")
}
// end::use-plugin[]

greeting {
    message = "Hello from Gradle"

        testApp.writeSources(file("src/main"), file("src/hello"), file("src/greetings"))

        buildFile << """
model {
    components {
        main(NativeExecutableSpec) {
            sources {
                cpp.lib library: "hello"
                cpp.lib library: "greetings", linkage: "static"
            }
        }
        hello(NativeLibrarySpec) {
            sources {

// tag::use-plugin[]
plugins {
    id 'application'
    id('greetings')
}
// end::use-plugin[]

configure(greeting) {
    message = "Hello from Gradle"

package org.gradle.sample;

public class Main {
    public static void main(String[] args) {
        if (System.getProperty("greeting.language").equals("en")) {
            System.out.println("Greetings from the sample application.");
        } else {
            System.out.println("Bonjour, monde!");
        }
    }

hello from GreetingTask

        given:
        executer.requireOwnGradleUserHomeDir()

        and:
        executer.gradleUserHomeDir.file('init.gradle') << 'println "greetings from user home"'

        when:
        run()

        then:
        output.contains("greetings from user home")
    }

    def "executes init scripts from init.d directory in user home dir in alphabetical order"() {
        given:

    }

    def "can run the application using run task with #dsl dsl"() {
        when:
        executer.inDirectory(sample.dir.file(dsl))
        succeeds('run')

        then:
        outputContains('Greetings from the sample application.')

        where:
        dsl << ['groovy', 'kotlin']
    }

    def "can build and run the installed application with #dsl dsl"() {
        when: