Re: Suggestion for the "Did you mean this?" feature

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On 18 December 2016 at 14:18, Kaartic Sivaraam wrote:
> Hello all,
>
> I have found the "Did you mean this?" feature of git as a very good
> feature. I thought it would be even better if it took a step toward by
> asking for a prompt when there was only one alternative to the command
> that was entered.
>
> E.g.
>
>> unique@unique-pc:~$ git hepl
>> git: 'hepl' is not a git command. See 'git --help'.
>>
>> Did you mean this?
>>       help
>> [yes/No] : y
>> usage: git [--version] [--help] [-C <path>] [-c name=value]
>>            [--exec-path[=<path>]] [--html-path] [--man-path] [--info-
>> path]
>> ....
>
> This would make it even better for the user as it would avoid having to
> correct the mistake long commands that had only a single error
> (considering history feature is enabled).
>
> Is this is a good idea ?

It's definitely a good thing for human users. For example, I am annoyed
from time to time when I type in some long spell, mistype one minor thing,
and the whole command fails. Then I need to press <up>, correct the
obvious typo, and run the command again.

Though, there is one aspect which may be the reason why git does not have
this feature: it requires interactive input. For example, it won't work
if some script tries to run an invalid git command. And git cannot really
tell whether it is running interactively or in a batch mode. If it is
running in batch mode then the whole script may hang indefinitely waiting
for nonexistent input. This also may apply to using git with pipes.

Maybe a configuration option or some GIT_NO_PROMPT environment variable
may be used to force disable this, but it still will be a hassle for the
scripts.



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