Neos\Neos\Command\WorkspaceCommandController::rebaseCommand PHP Method

    public function rebaseCommand($workspace, $baseWorkspace)
    {
        $workspaceName = $workspace;
        $workspace = $this->workspaceRepository->findOneByName($workspaceName);
        if (!$workspace instanceof Workspace) {
            $this->outputLine('Workspace "%s" does not exist', [$workspaceName]);
            $this->quit(1);
        }
        $baseWorkspaceName = $baseWorkspace;
        $baseWorkspace = $this->workspaceRepository->findOneByName($baseWorkspaceName);
        if (!$baseWorkspace instanceof Workspace) {
            $this->outputLine('The base workspace "%s" does not exist', [$baseWorkspaceName]);
            $this->quit(2);
        }
        $workspace->setBaseWorkspace($baseWorkspace);
        $this->workspaceRepository->update($workspace);
        $this->outputLine('Set "%s" as the new base workspace for "%s".', [$baseWorkspaceName, $workspaceName]);
    }