return currentProject.get();
    }

    public ProjectBuildingRequest getProjectBuildingRequest() {
        return request.getProjectBuildingRequest().setRepositorySession(getRepositorySession());
    }

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

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

                    plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
            plugin.setVersion(pluginVersionResolver.resolve(versionRequest).getVersion());
        }

        try {
            return pluginManager.getPluginDescriptor(
                    plugin, project.getRemotePluginRepositories(), session.getRepositorySession());
        } catch (PluginResolutionException e) {

                        repositorySystem.injectMirror(request.getRepositorySession(), Arrays.asList(repo));
                        repositorySystem.injectProxy(request.getRepositorySession(), Arrays.asList(repo));
                        repositorySystem.injectAuthentication(request.getRepositorySession(), Arrays.asList(repo));
                        repos.add(repo);

            project.setPluginArtifactRepositories(request.getPluginArtifactRepositories());
            projects.add(project);
        }

        InternalSession iSession = InternalSession.from(configuration.getRepositorySession());
        InternalMavenSession mSession = InternalMavenSession.from(iSession);
        MavenSession session = mSession.getMavenSession();

        session.setProjects(projects);

        // MNG-5509
        // See org.eclipse.aether.connector.wagon.WagonRepositoryConnector.connectWagon(Wagon)
        if (legacySupport.getRepositorySession() != null) {
            String userAgent = ConfigUtils.getString(
                    legacySupport.getRepositorySession(), null, ConfigurationProperties.USER_AGENT);

            if (userAgent == null) {
                Properties headers = new Properties();

            resolvePluginVersion(plugin, session, project);
        }

        return pluginManager.getMojoDescriptor(
                plugin, goal.toString(), project.getRemotePluginRepositories(), session.getRepositorySession());
    }

    // TODO take repo mans into account as one may be aggregating prefixes of many
    // TODO collect at the root of the repository, read the one at the root, and fetch remote if something is missing

        this.mavenRepositorySystem = mavenRepositorySystem;
    }

    private void injectSession(MetadataResolutionRequest request) {
        RepositorySystemSession session = legacySupport.getRepositorySession();

        if (session != null) {
            request.setOffline(session.isOffline());
            request.setForceUpdate(RepositoryPolicy.UPDATE_POLICY_ALWAYS.equals(session.getUpdatePolicy()));
        }

            throws LifecycleExecutionException {
        ProjectArtifactsCache.Key cacheKey = projectArtifactsCache.createKey(
                project, scopesToCollect, scopesToResolve, aggregating, session.getRepositorySession());

        ProjectArtifactsCache.CacheRecord recordArtifacts;
        recordArtifacts = projectArtifactsCache.get(cacheKey);
        if (recordArtifacts == null) {
            synchronized (cacheKey) {

                    execution.getPlugin(),
                    execution.getGoal(),
                    project.getRemotePluginRepositories(),
                    session.getRepositorySession());

            execution.setMojoDescriptor(mojoDescriptor);
        }

        return mojoDescriptor;
    }

    @Override
    public void setupMojoExecution(

        MavenExecutionRequest request = session.getRequest();
        request.getProjectBuildingRequest().setRepositorySession(session.getRepositorySession());

        // 1. Collect project for invocation without a POM.
        if (request.getPom() == null) {
            return pomlessCollectionStrategy.collectProjects(request);
        }