gradle/publish-mpp-root-module-in-platform.gradle

/*
 * Copyright 2014-2020 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
 */


/**
 * Publish the platform JAR and POM so that consumers who depend on this module and can't read Gradle module
 * metadata can still get the platform artifact and transitive dependencies from the POM
 * (see details in https://youtrack.jetbrains.com/issue/KT-39184#focus=streamItem-27-4115233.0-0)
 */
project.ext.publishPlatformArtifactsInRootModule = { MavenPublication platformPublication ->
    afterEvaluate {
        XmlProvider platformXml = null

        platformPublication.pom.withXml { platformXml = it }

        publishing.publications.kotlinMultiplatform {
            pom.withXml {
                Node root = asNode()
                // Remove the original content and add the content from the platform POM:
                root.children().toList().each { root.remove(it as Node) }
                platformXml.asNode().children().each { root.append(it as Node) }

                // Adjust the self artifact ID, as it should match the root module's coordinates:
                ((root.get("artifactId") as NodeList).get(0) as Node).setValue(artifactId)

                // Set packaging to POM to indicate that there's no artifact:
                root.appendNode("packaging", "pom")

                // Remove the original platform dependencies and add a single dependency on the platform module:
                Node dependencies = (root.get("dependencies") as NodeList).get(0) as Node
                dependencies.children().toList().each { dependencies.remove(it as Node) }
                Node singleDependency = dependencies.appendNode("dependency")
                singleDependency.appendNode("groupId", platformPublication.groupId)
                singleDependency.appendNode("artifactId", platformPublication.artifactId)
                singleDependency.appendNode("version", platformPublication.version)
                singleDependency.appendNode("scope", "compile")
            }
        }

        tasks.matching { it.name == "generatePomFileForKotlinMultiplatformPublication"}.configureEach {
            dependsOn(tasks["generatePomFileFor${platformPublication.name.capitalize()}Publication"])
        }
    }
}