Add a task to a Gradle multi-project build via init-script

netbeans.gradle

// Call with gradlew --init-script=S:/temp/netbeans.gradle printDependencies

allprojects {
	task printDependencies << {
		["runtime", "testIntegrationRuntime"].each {
			Configuration configuration = configurations.findByName it

			if (configuration) {
				configuration.files.each {
					println it
				}
			}
		}
	}
}