def settingsEvaluatedHook = file("settingsEvaluatedHook.gradle") << """
            def collectChildren(def obj) {
                [obj] + obj.getChildren().collectMany { collectChildren(it) }
            }
            gradle.settingsEvaluated { settings ->
                collectChildren(settings.rootProject).each { project ->
                    project.projectDir.mkdirs()
                }
            }

        given:
        settingsFile << '''
        include 'has-no-dir'
        def collectChildren(def obj) {
            [obj] + obj.getChildren().collectMany { collectChildren(it) }
        }
        gradle.settingsEvaluated { settings ->
            collectChildren(settings.rootProject).each { project ->
                project.projectDir.mkdirs()
            }
        }
        '''