}
                } else if (request.isForceUpdate()) {
                    update = true;
                } else if (localCopyLastModified != null && !policy.checkOutOfDate(localCopyLastModified)) {
                    update = false;

                    if (getLogger().isDebugEnabled()) {
                        getLogger()

            boolean isBlankParentUrl = true;

            if (parentUrl != null) {
                for (int i = 0; i < parentUrl.length(); i++) {
                    if (!Character.isWhitespace(parentUrl.charAt(i))) {
                        isBlankParentUrl = false;
                    }
                }
            }

            Model model;

            // TODO hack: don't rebuild model if it was already loaded during reactor resolution
            final WorkspaceReader workspace = session.getWorkspaceReader();
            if (workspace instanceof MavenWorkspaceReader) {
                model = ((MavenWorkspaceReader) workspace).findModel(pomArtifact);
                if (model != null) {
                    return model;
                }

            repository.setUrl(mirror.getUrl());

            if (mirror.getLayout() != null && !mirror.getLayout().isEmpty()) {
                repository.setLayout(original.getLayout());
            }

            repository.setBlocked(mirror.isBlocked());
        }
    }

    private void injectProxy(ProxySelector selector, List<ArtifactRepository> repositories) {
        if (repositories != null && selector != null) {

            if (decorated != null) {
                session = decorated;
            }
        }

        CollectRequest collect = new CollectRequest();
        collect.setRootArtifact(RepositoryUtils.toArtifact(project.getArtifact()));
        collect.setRequestContext("project");
        collect.setRepositories(project.getRemoteProjectRepositories());

        if (project.getDependencyArtifacts() == null) {

        RepositorySystemSession rsession = InternalSession.from(session).getSession();
        if (rsession.isIgnoreArtifactDescriptorRepositories()) {
            return;
        }

        if (!repositoryIds.add(repository.getId())) {
            if (!replace) {
                return;
            }

            removeMatchingRepository(repositories, repository.getId());
        }

                    Plugin existing = merged.get(key);
                    if (existing != null) {
                        element = mergePlugin(existing, element, sourceDominant, context);
                    } else {
                        added.put(key, element);
                    }
                    merged.put(key, element);
                }

                if (!added.isEmpty()) {

        }

        artifacts.clear();

        Versioning versioning = recessive.getVersioning();
        if (versioning != null) {
            for (SnapshotVersion sv : versioning.getSnapshotVersions()) {
                String key = getKey(sv.getClassifier(), sv.getExtension());
                if (!versions.containsKey(key)) {
                    versions.put(key, sv);
                }
            }
        }

                    Dependency dependency = dependencies.get(key);
                    if (dependency != null) {
                        Dependency merged = mergeDependency(dependency, managedDependency, false, context);
                        if (merged != dependency) {
                            dependencies.put(key, merged);
                            modified = true;

            if (state == null) {
                cycle.addLast(v.label);
                List<String> ret = visitCycle(v.children, stateMap, cycle);
                if (ret != null) {
                    return ret;
                }
                cycle.removeLast();
                stateMap.put(v, DfsState.VISITED);
            } else if (state == DfsState.VISITING) {