5636 def update(ui, repo, node=None, rev=None, clean=False, date=None, check=False):

  5636 def update(ui, repo, node=None, rev=None, clean=False, date=None, check=False):

  5637     """update working directory (or switch revisions)

  5637     """update working directory (or switch revisions)

  5638 

  5638 

  5639     Update the repository's working directory to the specified

  5639     Update the repository's working directory to the specified

  5640     changeset. If no changeset is specified, update to the tip of the

  5640     changeset. If no changeset is specified, update to the tip of the

  5642 

  5643 

  5643     If the changeset is not a descendant of the working directory's

  5644     If the changeset is not a descendant of the working directory's

  5644     parent, the update is aborted. With the -c/--check option, the

  5645     parent, the update is aborted. With the -c/--check option, the

  5645     working directory is checked for uncommitted changes; if none are

  5646     working directory is checked for uncommitted changes; if none are

  5646     found, the working directory is updated to the specified

  5647     found, the working directory is updated to the specified