}

        and:
        def nestedBuild = registry.getBuildSrcNestedBuild(rootBuild)
        nestedBuild != null
        nestedBuild.implicitBuild
        nestedBuild.buildIdentifier == buildIdentifier(":buildSrc")
        nestedBuild.identityPath == Path.path(":buildSrc")

        and:
        notifiedBuilds == [rootBuild, nestedBuild]

        and:

        rootBuild.isRootBuild() >> true
        rootBuild.parent >> null
        rootBuild.identityPath >> Path.ROOT

        def nestedBuild = Stub(GradleInternal)
        rootBuild.isRootBuild() >> false
        nestedBuild.parent >> rootBuild
        nestedBuild.identityPath >> Path.path(":nested")

        def rootProject = project("root", null, rootBuild)

        buildSrc(childBuild)
        def nested = "nested"
        childBuild.file("settings.gradle") << """
            includeBuild("$nested")
        """

        def nestedBuild = childBuild.file(nested)
        buildSrc(nestedBuild)
    }

    TestFile buildSrc(TestFile dir) {
        def buildSrc = dir.file("buildSrc")
        buildSrc.file("src/main/java/Thing.java") << "class Thing { }"