Re: [PATCH v2] checkout: print something when checking out paths

> One of the problems with "git checkout" is that it does so many
> different things and could confuse people specially when we fail to
> handle ambiguation correctly.
>
> One way to help with that is tell the user what sort of operation is
> actually carried out. When switching branches, we always print
> something unless --quiet, either
>
>  - "HEAD is now at ..."
>  - "Reset branch ..."
>  - "Already on ..."
>  - "Switched to and reset ..."
>  - "Switched to a new branch ..."
>  - "Switched to branch ..."
>
> Checking out paths however is silent. Print something so that if we
> got the user intention wrong, they won't waste too much time to find
> that out. For the remaining cases of checkout we now print either
>
>  - "Checked out ... paths out of the index"
>  - "Checked out ... paths out of <abbrev hash>"
>
> Since the purpose of printing this is to help disambiguate. Only do it
> when "--" is missing.
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
> ---
>  v2 updates the messages a bit but it does not check isatty or add
>  --count-paths, for consistency reason with how messages are printed
>  in the branch switching case.
>  
>  Consistency is not always a good reason to follow. But I haven't
>  seen a strong reason to go against it.