[PATCH 3 of 4] diff: add --stat and --stat-width options for diffstat output

[Martin Geisler]

timeless <timeless at gmail.com> writes:

> Brodie Rao wrote:
>> +            raise util.Abort(_('width must be a positive integer or "auto"'))
>> +        if width <= 0: raise util.Abort(_('width must be positive'))
>
> the second message should really be the same as the first.
>
> If I do
>
> --stat-width=-5
>
> and you say "width must be positive", I might try --stat-width=5.5
>
> There's no reason to give me two different errors.

The translators will also thank you for using just one error message.

-- 
Martin Geisler

VIFF (Virtual Ideal Functionality Framework) brings easy and efficient
SMPC (Secure Multiparty Computation) to Python. See: http://viff.dk/.
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