BuildTimeLoggerPlugin - register build task service

BuildTimeLoggerPlugin.kt

class BuildTimeLoggerPlugin : Plugin<Project> {
    override fun apply(project: Project)  {
        val gradle = project.gradle
        val buildTaskService = registerBuildTaskService(gradle)
    }

    private fun registerBuildTaskService(gradle: Gradle): Provider<BuildTaskService> {
        val registry = gradle.serviceRegistry()[BuildEventListenerRegistryInternal::class.java]
        val buildTaskService = gradle.sharedServices.registerIfAbsent("build-task-service", BuildTaskService::class.java) { }

        registry.onTaskCompletion(buildTaskService)

        return buildTaskService
    }
}
fun Gradle.serviceRegistry(): ServiceRegistry = (this as DefaultGradle).services