build.gradle.kts

import com.google.protobuf.gradle.*
import com.google.protobuf.*

plugins {
    idea
    application
//    kotlin("jvm") version "1.3.11"
    id("kotlin-multiplatform") version "1.3.11"
    id("com.google.protobuf") version "0.8.7"
}

project.extensions.add("protobuf", ProtobufConfigurator(project, null))

buildscript {
    repositories {
        google()
        mavenCentral()
        jcenter()
    }

    dependencies {
        classpath("com.google.protobuf:protobuf-gradle-plugin:0.8.7")
    }
}

configurations.all {
    resolutionStrategy {
        failOnVersionConflict()

        eachDependency {
            when (requested.group) {
                "com.google.protobuf"             -> useVersion("3.6.1")
                "io.grpc"                         -> useVersion("1.17.0")
            }
        }
    }
}

apply {
    plugin<JavaPlugin>()
    plugin<ProtobufPlugin>()
}


//configure<ProtobufConfigurator> {
//    generatedFilesBaseDir = "$projectDir/src"
//}

repositories {
    google()
    mavenCentral()
    jcenter()
    maven(url = "https://jitpack.io")
}

group = "com.example"
version = "0.0.1"

kotlin {
    targets.apply {
        targets.add(presets["jvm"].createTarget("jvm"))
    }
    sourceSets.apply {
        getByName("commonMain") {
            dependencies {
                implementation("com.google.protobuf:protobuf-gradle-plugin:0.8.7")
                implementation("com.google.protobuf:protobuf-java:+")
                implementation("io.grpc:grpc-stub:1.15.1")
                implementation("io.grpc:grpc-protobuf:+")
                implementation("org.jetbrains.kotlin:kotlin-stdlib-common")

                if (JavaVersion.current().isJava9Compatible) {
                    implementation("javax.annotation:javax.annotation-api:+")
                }
            }
        }

        getByName("commonTest") {
            dependencies {
                implementation("org.jetbrains.kotlin:kotlin-test-common")
                implementation("org.jetbrains.kotlin:kotlin-test-annotations-common")
            }
        }
    }
}

configure<ProtobufConfigurator> {
    protobuf {
        protoc {
            artifact = "com.google.protobuf:protoc"
        }
    }
}

//    plugins {
//       id("grpc") {
//            artifact = "io.grpc:protoc-gen-grpc-java:$grpcVersion"
//        }
//        "grpc-kotlin" {
//            artifact = "io.rouz:grpc-kotlin-gen:0.1.0:jdk8@jar"
//        }
//    }
//    generateProtoTasks {
//        ofSourceSet("commonMain").forEach {
//            it.plugins {
//                id("grpc") {}
//            }
//        }
//    }
//}

configure<JavaPluginConvention> {
    sourceSets {
        this["main"].java.srcDir(the<ProtobufConvention>().protobuf.generatedFilesBaseDir + "/main/java")
    }
}

tasks["build"].dependsOn(tasks.withType(GenerateProtoTask::class.java))