@db.command()<EOL>@click.option('<STR_LIT>', '<STR_LIT>', default=None,<EOL>help=('<STR_LIT>'))<EOL>@click.argument('<STR_LIT>', default='<STR_LIT>')<EOL>@with_appcontext<EOL>def show(directory, revision):
_show(directory, revision)<EOL>
Show the revision denoted by the given symbol.