}
        }

        transformGraphToDepth(repo.modules, depth)
        repo.setDepth(depth)
        repo.publish()
        repo
    }

    void transformGraphToDepth(List<MavenModule> modules, int depth) {
        def depGroups = modules.groupBy { (int) ((it.artifactId - "artifact").toInteger() / depth) }
        depGroups.each { idx, groupModules ->

        'MavenModule' | 'MavenPomArtifact' | 'cannot retrieve Maven component and metadata artifact for Ivy module'    | new ArtifactResolveException("Could not determine artifacts for some.group:some-artifact:1.0: Cannot locate 'maven pom' artifacts for 'some.grou...

        def result = dependencies.createArtifactResolutionQuery()
                                    .forModule("groupA", "artifactA", "1.0")
                                    .withArtifacts(MavenModule, MavenPomArtifact)
                                    .execute()
        for (component in result.resolvedComponents) {
            component.getArtifacts(MavenPomArtifact).each { println "POM for " + component }
        }