request.getArtifact().getArtifactId(),
                        request.getArtifact().getVersion());
                File pomFile = new File(
                        request.getLocalRepository().getBasedir(),
                        request.getLocalRepository().pathOf(pomArtifact));

                try {
                    Model model = modelReader.read(pomFile, null).getDelegate();

    }

    protected void initRepoSession(ProjectBuildingRequest request) throws Exception {
        File localRepo = new File(request.getLocalRepository().getBasedir());
        DefaultRepositorySystemSession session = MavenRepositorySystemUtils.newSession();
        session.setScopeManager(new ScopeManagerImpl(Maven4ScopeManagerConfiguration.INSTANCE));

        if (repository == null || repository.getBasedir() == null) {
            return session;
        }

        DefaultRepositorySystemSession newSession;
        if (session != null) {
            LocalRepositoryManager lrm = session.getLocalRepositoryManager();
            if (lrm != null && lrm.getRepository().getBasedir().equals(new File(repository.getBasedir()))) {
                return session;
            }

        }

        return sb.toString();
    }

    @Override
    public Artifact find(Artifact artifact) {
        File artifactFile = new File(getBasedir(), pathOf(artifact));

        // We need to set the file here or the resolver will fail with an NPE, not fully equipped to deal
        // with multiple local repository implementations yet.

    protected static final ConcurrentMap<String, TraverserFactory> traverserFactories = newConcurrentHashMap();
    static {
        addTraverserFactory("file", (url, rootPackage, rootDir) -> new FileSystemTraverser(getBaseDir(url, rootDir), rootPackage, rootDir));
        addTraverserFactory("jar", JarFileTraverser::new);
        addTraverserFactory("zip", (url, rootPackage,

                    .filter(p -> p != null && !p.trim().isEmpty())
                    .map(this::resolve)
                    .forEach(paths::add);
        }
        paths.add(Paths.get(request.getLocalRepository().getBasedir()));
        String localRepoTail = mergedProps.get(Constants.MAVEN_REPO_LOCAL_TAIL);
        if (localRepoTail != null) {
            Arrays.stream(localRepoTail.split(","))

                LocalRepositoryManager lrm = session.getLocalRepositoryManager();
                String path = lrm.getPathForLocalArtifact(artifactRequest.getArtifact());
                artifact.setFile(new File(lrm.getRepository().getBasedir(), path));

                RepositorySystem repoSystem = container.lookup(RepositorySystem.class);
                result = repoSystem.resolveArtifact(session, artifactRequest);

        ArtifactRepository localRepository = localRepository();

        Artifact a = createArtifact("a", "0.0.1-SNAPSHOT");
        File file = new File(localRepository.getBasedir(), localRepository.pathOf(a));
        file.delete();
        a.setFile(file);

        File touchFile = updateCheckManager.getTouchfile(a);
        touchFile.delete();

            for (ArtifactRepository repository : remoteRepositories) {
                ArtifactRepositoryPolicy policy = metadata.getPolicy(repository);

                File file =
                        new File(localRepo.getBasedir(), localRepo.pathOfLocalRepositoryMetadata(metadata, repository));
                boolean update;

                if (!policy.isEnabled()) {
                    update = false;

        when(event.getProject()).thenReturn(project);

        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());