plugins {
    id('application')
}

String getPropOrDie(String prop, String message) {
    def ret = System.getProperty(prop)
    if (!ret) {
        throw new RuntimeException(message)
    }
    return ret
}

application {
    mainClass = getPropOrDie('nix.test.mainClass', 'No main class defined, perhaps GRADLE_OPTS broke?')
}