Render a simple GraphViz graph of Kotlin Multiplatform sourceSet dependencies

partial_build.gradle.kts

// Where Gradle 'project' object is the current receiver...

val dependencies: Map<KotlinSourceSet, Set<KotlinSourceSet>> =
            kotlinExtension.sourceSets.associateWith { it.dependsOn }
        val renderedDependencies = dependencies
            .filterKeys { !it.name.endsWith("Test") } // Exclude test sourceSets
            .filterValues { it.isNotEmpty() } // Exclude sourceSets with no relationship (e.g. meta)
        if (renderedDependencies.isEmpty()) return@injectWriteSourceSetDotFile

        val allRenderedSourceSets =
            renderedDependencies.keys + renderedDependencies.values.flattenTo(mutableSetOf())

        File("$projectDir/sourceSetDependencies.dot")
            .bufferedWriter()
            .use { writer ->
                writer.write("digraph ${path.replace(':', '_').trim('_')} {\n")
                allRenderedSourceSets.forEach { sourceSet ->
                    writer.write("\t${sourceSet.name}\n")
                }
                writer.write("\n")
                renderedDependencies.forEach { (sourceSet, dependencies) ->
                    dependencies.forEach { dependencySourceSet ->
                        writer.write("\t${sourceSet.name} -> ${dependencySourceSet.name}\n")
                    }
                }
                writer.write("}\n")
            }