Re: [Bug report] git diff stat shows unrelated diff

> Elijah Newren <newren@gmail.com> writes:
>
>>> Instead of outright deprecating it, would it make sense to include a
>>> configuration option, say "diff.sensibleDots", that would enable a user
>>> to set the dots to the other form if they desire?
>> I think Junio's suggested steps would still have to come first, and
>> there may also need to be a time period after two-dot notation is an
>> error before we were to try to repurpose it for something else (e.g.
>> to make it behave the same as triple-dot).  Adding a config to change
>> things now without both a deprecation and error period would invite
>> horrible surprises and bug reports; people need time and warning to
>> change workflows and fix existing scripts that might be out there.
> Historically, it was a mistake to allow A..B to be used for two
> endpoints, which was made back when we haven't thought things
> through.  That is why I stopped "warn to deprecate and then
> completely remove", as I do not think it would help people very much
> if "git diff A B" can be spelled with two-dots.
>
> But in a distant future long after that happens, by the time nobody
> remembers what A..B meant for "git diff", I do not think I'd
> strongly be opposed to reusing it to mean something different.