====
include::sample[dir="snippets/plugins/greeting/kotlin", files="buildSrc/src/main/kotlin/greetings.gradle.kts[tags=task]"]
include::sample[dir="snippets/plugins/greeting/groovy", files="buildSrc/src/main/groovy/greetings.gradle[tags=task]"]
====

----
$ gradle -q hello
include::{snippetsPath}/plugins/greeting/tests/greeting.out[]
----

    abstract Property<String> getGreeting()

    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'
}

> Task :greeting-plugin:compileJava
> Task :greeting-plugin:pluginDescriptors
> Task :greeting-plugin:processResources
> Task :greeting-plugin:classes
> Task :greeting-plugin:jar

> Task :my-greeting-app:greeting
Hi Bob!!!

BUILD SUCCESSFUL in 0s

public class GreetingTask extends DefaultTask {

    private String greeting = "hello from GreetingTask";

    public void setGreeting(String greeting) {
        this.greeting = greeting;
    }

    @Input
    public String getGreeting() {
        return greeting;
    }

    @TaskAction
    public void greet() {
        System.out.println(greeting);
    }

        def producer = file('producer')
        def consumer = file('consumer')
        def pluginModule = mavenRepo.module('com.example', 'producer', '1.0')
        def pluginMarker = mavenRepo.module('com.example.greeting', 'com.example.greeting.gradle.plugin', '1.0')

        producer.file('settings.gradle') << ''
        producer.file('build.gradle') << """
            plugins {
                id('java-gradle-plugin')

        def producer = file('producer')
        def consumer = file('consumer')
        def pluginModule = mavenRepo.module('com.example', 'producer', '1.0')
        def pluginMarker = mavenRepo.module('com.example.greeting', 'com.example.greeting.gradle.plugin', '1.0')

        producer.file('settings.gradle').createFile()
        producer.file('build.gradle') << """
            plugins {
                id('java-gradle-plugin')

		fmt.Fprintln(w, "Hello, client")
	}))
	defer ts.Close()

	res, err := http.Get(ts.URL)
	if err != nil {
		log.Fatal(err)
	}
	greeting, err := io.ReadAll(res.Body)
	res.Body.Close()
	if err != nil {
		log.Fatal(err)
	}

	fmt.Printf("%s", greeting)
	// Output: Hello, client
}

func ExampleServer_hTTP2() {

executable: gradle
args: greeting
flags: "--include-build=greeting-plugin"

# tag::cli[]
# gradle greeting
# end::cli[]
executable: gradle
args: greeting

        def runGreetWith = { String greeting ->
            inDirectory('root')
            switch (systemPropertySource) {
                case SystemPropertySource.COMMAND_LINE:
                    return configurationCacheRun('greet', "-Dgreeting=$greeting")
                case SystemPropertySource.GRADLE_PROPERTIES:
                    file('root/gradle.properties').text = "systemProp.greeting=$greeting"