val projectDirectory = layout.projectDirectory
    configDirectory = rules.elements.map {
        projectDirectory.dir(it.single().asFile.absolutePath).dir("checkstyle")
    }
}

plugins.withType<GroovyBasePlugin> {
    the<SourceSetContainer>().all {
        tasks.register<Checkstyle>(getTaskName("checkstyle", "groovy")) {
            config = configFile("checkstyle-groovy.xml")
            source(allGroovy)