### What needs to get done By default, `argparse` allows abbreviated commands, such as `--destructive-mode` being specified as `--destructive`. Since Python 3.5, this default behavior can be disabled by setting `allow_abbrev=False` when instantiating `argparse.ArgumentParser`: https://docs.python.org/3/library/argparse.html#allow-abbrev Found by @thp-canonical and @Ardelean-Calin ### Why it needs to get done This avoids wrongly learning command-line arguments that might at some point not be unique anymore.