run/grpc-hello-world-gradle/build.gradle.kts

plugins {
    application
    kotlin("jvm") version "1.9.23"
    id("com.google.protobuf") version "0.9.4"
    id("org.jlleitschuh.gradle.ktlint") version "12.1.0"
}

repositories {
    google()
    mavenCentral()
}

kotlin {
    jvmToolchain(17)
}

kotlin.sourceSets.all {
    languageSettings.optIn("kotlin.RequiresOptIn")
}

val grpcVersion = "1.62.2"
val grpcKotlinVersion = "1.4.1"
val protobufVersion = "3.25.3"
val coroutinesVersion = "1.8.0"

dependencies {
    implementation("javax.annotation:javax.annotation-api:1.3.2")
    implementation("io.grpc:grpc-kotlin-stub:$grpcKotlinVersion")
    implementation("io.grpc:grpc-protobuf:$grpcVersion")
    implementation("com.google.protobuf:protobuf-kotlin:$protobufVersion")
    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutinesVersion")
    runtimeOnly("io.grpc:grpc-netty-shaded:$grpcVersion")
}

protobuf {
    protoc {
        artifact = "com.google.protobuf:protoc:$protobufVersion"
    }

    plugins {
        create("grpc") {
            artifact = "io.grpc:protoc-gen-grpc-java:$grpcVersion"
        }
        create("grpckt") {
            artifact = "io.grpc:protoc-gen-grpc-kotlin:$grpcKotlinVersion:jdk8@jar"
        }
    }

    generateProtoTasks {
        all().forEach {
            it.plugins {
                create("grpc")
                create("grpckt")
            }
            it.builtins {
                create("kotlin")
            }
        }
    }
}

application {
    mainClass.set("io.grpc.examples.helloworld.HelloWorldServerKt")
}

ktlint {
    filter {
        // this doesn't work: https://github.com/JLLeitschuh/ktlint-gradle/issues/746
        exclude("**/generated/**")
    }
}

tasks.register<JavaExec>("HelloWorldClient") {
    dependsOn("classes")
    javaLauncher.set(javaToolchains.launcherFor(java.toolchain))
    classpath = sourceSets["main"].runtimeClasspath
    mainClass.set("io.grpc.examples.helloworld.HelloWorldClientKt")
}

val otherStartScripts =
    tasks.register<CreateStartScripts>("otherStartScripts") {
        mainClass.set("io.grpc.examples.helloworld.HelloWorldClientKt")
        applicationName = "HelloWorldClientKt"
        outputDir = tasks.named<CreateStartScripts>("startScripts").get().outputDir
        classpath = tasks.named<CreateStartScripts>("startScripts").get().classpath
    }

tasks.named("startScripts") {
    dependsOn(otherStartScripts)
}

task("stage").dependsOn("installDist")

tasks.replace("assemble").dependsOn(":installDist")