private static final DefaultExcludeFactory FACTORY = new DefaultExcludeFactory()
    private static final String[] GROUPS = ["org.foo", "org.bar", "org.baz", "com.acme"]
    private static final String[] MODULES = ["mercury", "venus", "earth", "mars", "jupiter", "saturn", "uranus", "neptune"]
    private static final IvyArtifactName[] ARTIFACTS = [artifactName("foo"), artifactName('bar'), artifactName('baz'), artifactName('foo', 'jar', 'jar', 'classy')]

                .dependsOn('planet', 'mercury', '1.0.2')
                .dependsOn('planet', 'venus', '1.0')
                .publish()
            module('planet', 'mars', '4.0.0')
                .dependsOn('planet', 'venus', '2.0.1')
                .publish()
            module('planet', 'mercury', '1.0.0').publish()
            module('planet', 'mercury', '1.0.1').publish()