Neos\Neos\Controller\Module\Management\WorkspacesController::rebaseAndRedirectAction PHP Method

    public function rebaseAndRedirectAction(NodeInterface $targetNode, Workspace $targetWorkspace)
    {
        $currentAccount = $this->securityContext->getAccount();
        $personalWorkspace = $this->workspaceRepository->findOneByName(UserUtility::getPersonalWorkspaceNameForUsername($currentAccount->getAccountIdentifier()));
        /** @var Workspace $personalWorkspace */
        if ($personalWorkspace !== $targetWorkspace) {
            if ($this->publishingService->getUnpublishedNodesCount($personalWorkspace) > 0) {
                $message = $this->translator->translateById('workspaces.cantEditBecauseWorkspaceContainsChanges', [], null, null, 'Modules', 'Neos.Neos');
                $this->addFlashMessage($message, '', Message::SEVERITY_WARNING, [], 1437833387);
                $this->redirect('show', null, null, ['workspace' => $targetWorkspace]);
            }
            $personalWorkspace->setBaseWorkspace($targetWorkspace);
            $this->workspaceRepository->update($personalWorkspace);
        }
        $contextProperties = $targetNode->getContext()->getProperties();
        $contextProperties['workspaceName'] = $personalWorkspace->getName();
        $context = $this->contextFactory->create($contextProperties);
        $mainRequest = $this->controllerContext->getRequest()->getMainRequest();
        /** @var ActionRequest $mainRequest */
        $this->uriBuilder->setRequest($mainRequest);
        $this->redirect('show', 'Frontend\\Node', 'Neos.Neos', ['node' => $context->getNode($targetNode->getPath())]);
    }