lifecyclePluginResolver.resolveMissingPluginVersions(session.getTopLevelProject(), session);

                MojoDescriptor mojoDescriptor =
                        mojoDescriptorCreator.getMojoDescriptor(task, session, session.getTopLevelProject());

                boolean aggregating = mojoDescriptor.isAggregator() || !mojoDescriptor.isProjectRequired();

                lifecyclePluginResolver.resolveMissingPluginVersions(session.getTopLevelProject(), session);

                MojoDescriptor mojoDescriptor =
                        mojoDescriptorCreator.getMojoDescriptor(task, session, session.getTopLevelProject());

                boolean aggregating = mojoDescriptor.isAggregator() || !mojoDescriptor.isProjectRequired();

        if (isSingleVersion) {
            summary.append(" for ");
            summary.append(session.getTopLevelProject().getName());
            summary.append(" ");
            summary.append(session.getTopLevelProject().getVersion());
        }
        summary.append(":");
        infoMain(summary.toString());

        logger.info("");

    public ProjectBuildList calculateProjectBuilds(MavenSession session, List<TaskSegment> taskSegments) {
        List<ProjectSegment> projectBuilds = new ArrayList<>();

        MavenProject rootProject = session.getTopLevelProject();

        for (TaskSegment taskSegment : taskSegments) {
            List<MavenProject> projects;

            if (taskSegment.isAggregating()) {
                projects = Collections.singletonList(rootProject);

        if (isSingleVersion) {
            summary.append(" for ");
            summary.append(session.getTopLevelProject().getName());
            summary.append(" ");
            summary.append(session.getTopLevelProject().getVersion());
        }
        summary.append(":");
        infoMain(summary.toString());

        logger.info("");

        MavenProject rootProject = mock(MavenProject.class);
        when(rootProject.getBasedir()).thenReturn(basedir);
        MavenSession session = mock(MavenSession.class);
        when(session.getTopLevelProject()).thenReturn(rootProject);
        when(session.getTopDirectory()).thenReturn(basedir.toPath());
        when(event.getSession()).thenReturn(session);

        // execute

    }

    // TODO !![jc; 28-jul-2005] check this; if we're using '-r' and there are aggregator tasks, this will result in
    // weirdness.
    public MavenProject getTopLevelProject() {
        return sortedProjects.stream()
                .filter(MavenProject::isExecutionRoot)
                .findFirst()
                .orElse(null);
    }

    public List<String> getPluginGroups() {
        return request.getPluginGroups();
    }

    public boolean isOffline() {
        return request.isOffline();
    }

    public MavenProject getTopLevelProject() {
        return topLevelProject;
    }

    public MavenExecutionResult getResult() {
        return result;
    }

    // Backward compat

    /**

            session.setParallel(parallel);

            ProjectDependencyGraph dependencyGraph = session.getProjectDependencyGraph();
            MavenProject rootProject = session.getTopLevelProject();

            Map<MavenProject, List<MavenProject>> allProjects = new LinkedHashMap<>();
            dependencyGraph
                    .getSortedProjects()

            if (result.hasExceptions()) {
                return result;
            }

            result.setTopologicallySortedProjects(session.getProjects());

            result.setProject(session.getTopLevelProject());

            validatePrerequisitesForNonMavenPluginProjects(session.getProjects());

            validateRequiredProfiles(session, request.getProfileActivation());