projects.add(pluginProjectA);
        pluginProjectA.getModel().getBuild().addPlugin(createPlugin("group", "plugin-b", "1.0"));

        MavenProject pluginProjectB = createProject("group", "plugin-b", "2.0-SNAPSHOT");
        projects.add(pluginProjectB);
        pluginProjectB.getModel().getBuild().addPlugin(createPlugin("group", "plugin-a", "1.0"));

    }

    public void setBuild(Build build) {
        getModel().setBuild(build);
    }

    public Build getBuild() {
        return getModelBuild();
    }

    public List<Resource> getResources() {
        return getBuild().getResources();
    }

    public List<Resource> getTestResources() {
        return getBuild().getTestResources();
    }

                merger.mergeModelBase(builder, model, profile);

                if (profile.getBuild() != null) {
                    Build build = model.getBuild() != null ? model.getBuild() : Build.newInstance();
                    Build.Builder bbuilder = Build.newBuilder(build);
                    merger.mergeBuildBase(bbuilder, build, profile.getBuild());
                    builder.build(bbuilder.build());
                }

        Properties properties =
                loadResumptionFile(Paths.get(rootProject.getBuild().getDirectory()));
        applyResumptionProperties(request, properties);
    }

    @Override
    public void removeResumptionData(MavenProject rootProject) {
        Path resumeProperties = Paths.get(rootProject.getBuild().getDirectory(), RESUME_PROPERTIES_FILENAME);
        try {
            Files.deleteIfExists(resumeProperties);

        private static final String PLUGIN_MANAGEMENT = "plugin-management";

        public Model merge(Model target, Model source) {
            Build targetBuild = target.getBuild();
            if (targetBuild == null) {
                targetBuild = Build.newInstance();
            }

            Map<Object, Object> context =

        private static final String PLUGIN_MANAGEMENT = "plugin-management";

        public Model merge(Model target, Model source) {
            Build targetBuild = target.getBuild();
            if (targetBuild == null) {
                targetBuild = Build.newInstance();
            }

            Map<Object, Object> context =

    @Override
    public Model mergeDuplicates(Model model, ModelBuilderRequest request, ModelProblemCollector problems) {
        Model.Builder builder = Model.newBuilder(model);

        Build build = model.getBuild();
        if (build != null) {
            List<Plugin> plugins = build.getPlugins();
            Map<Object, Plugin> normalized = new LinkedHashMap<>(plugins.size() * 2);

            for (Plugin plugin : plugins) {

    public void alignToBaseDirectory(Model model, File basedir) {
        if (basedir == null) {
            return;
        }

        Build build = model.getBuild();

        if (build != null) {
            build.setDirectory(alignToBaseDirectory(build.getDirectory(), basedir));

            build.setSourceDirectory(alignToBaseDirectory(build.getSourceDirectory(), basedir));

    private PluginVersionResult resolveFromProject(PluginVersionRequest request) {
        PluginVersionResult result = null;

        if (request.getPom() != null && request.getPom().getBuild() != null) {
            Build build = request.getPom().getBuild();

            result = resolveFromProject(request, build.getPlugins());

            if (result == null && build.getPluginManagement() != null) {

            if (project.hasLifecyclePhase("test-compile")) {
                return new File(project.getBuild().getTestOutputDirectory());
            }
        } else {
            String type = artifact.getProperty("type", "");
            File outputDirectory = new File(project.getBuild().getOutputDirectory());

            // Check if the project is being built during this session, and if we can expect any output.