code: func run(c *cobra.Command, args []string) error {
  	root.Project.Alias = alias
  
  	if err := root.Project.LoadFunctions(args...); err != nil {
  		return err
  	}
  
  	if version == "" {
  		return root.Project.Rollback()
  	}
  
  	return root.Project.RollbackVersion(version)
  }
docs: // Run command.