Gradle: multi-project dependency graph

dependency-report.gradle

task dependencyReport {
	doLast {
		def file = new File("project-dependencies.dot")
		file.delete()
		file << "digraph {\n"
		file << "splines=ortho\n"
		allprojects.each { item ->
			def from = item
			from.configurations.compile.dependencies
					.matching { it in ProjectDependency }
					.each { to -> file << ("\"${from.name}\" -> \"${to.name}\"\n")}
		}
		file << "}\n"
	}
}