Re: [PATCH 4/4] allow recovery from command name typos

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On Sun, May 06, 2012 at 02:55:30PM +0800, Tay Ray Chuan wrote:

> If suggestions are available (based on Levenshtein distance) and if the
> terminal isatty(), present a prompt to the user to select one of the
> computed suggestions.
> 
> In the case where there is a single suggestion, present the prompt
> "[Y/n]", such that "", "y" and "Y" as input leads git to proceed
> executing the suggestion, while everything else (possibly "n") leads git
> to terminate.
> 
> In the case where there are multiple suggestions, number the suggestions
> 1 to n, and accept as input one of the numbers, while everything else
> (possibly "n") leads git to terminate. In this case there is no default;
> that is, an empty input leads git to terminate. A sample run:
> 
>   $ git sh --pretty=oneline
>   git: 'sh' is not a git command. See 'git --help'.
> 
>   Did you mean one of these?
>   1:	show
>   2:	push
>   [1/2/.../n] 1

Ugh. Please protect this with a config variable that defaults to
"off".  It is very un-Unix to prompt unexpectedly, and I suspect a lot
of people would be annoyed by this behavior changing by default (I know
I would be).

-Peff
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