when:
        withProjectConfig("b") {
            outputFileContent = "new"
        }
        succeeds(":a:resolve")

        then: // new content, should run
        result.assertTasksNotSkipped(":b:producer", ":a:resolve")
        transformed("b.jar")
        outputContains("result = [b.jar.green, c.jar.green]")

        when:
        withProjectConfig("b") {
            outputFileContent = "new"

            }
        """

        setupBuildFile()

        when:
        previousExecution()
        withProjectConfig("b") {
            outputFileContent = "changed"
        }
        then:
        executesIncrementally("ext.modified=['b']")

        when:
        withProjectConfig("b") {
            names = ["first", "second", "third"]
        }
        then:
        executesIncrementally("""

        }

        void produceNothing() {
            executer.withArgument("-D${projectName}ProduceNothing")
        }
    }

    void withProjectConfig(String projectName, @DelegatesTo(ProjectConfigurator) Closure config) {
        def configurator = new ProjectConfigurator(executer, projectName)
        config.delegate = configurator
        config.call(configurator)