Re: [PATCH v3] help: always suggest common-cmds if prefix of cmd

> For this code-path to trigger we would have to be able to prefix-match
> every common command AND every "main command" must be included in
> common commands. At the same time. The only possible way to
> prefix-match all commands is if they all start with the same letter.
> Do you really think this is a situation we could ever end up in? Every
> git command being a common-command, starting with the same letter?
> 
> This is basically unreachable code. Perhaps it'd be even clearer just to die:
> 
> if (main_cmds.cnt <= n)
> 	die("Prefix-matched everyting, what's going on?");