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

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On Mon, Nov 29, 2010 at 6:44 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Erik Faye-Lund <kusmabite@xxxxxxxxx> writes:
>
>> 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?");
>
> Well, the same letter can be an empty string:
>
>        $ git ''
>

Indeed, my bad.

> Didn't I already suggest BUG() there?  Also, saying "too ambiguous" would
> make the codepath give "... See 'git --help'" message, I think.
>

Sure. I was considering just taking your version verbatim. But let's
see what happens, perhaps I get inspired ;)
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