Re: [BUG] `git diff` treats an unchanged line as modified
To
Junio C Hamano
Cc
git@vger.kernel.org
From
Hao Lee
See Also
Prev Ref 1
Date
2019-12-25 15:26:05 UTC
On Wed, 25 Dec 2019 at 03:34, Junio C Hamano <gitster@pobox.com> wrote:
> IOW, there is no *single* diff output that is correct.
>
> Among many "correct" diff output, there are ones that readers find
> them easier to understand and those that look suboptimal.  The
> differences are often personal tastes.

Thanks, this explanation is clear for me.

> "git diff" has options to tweak heuristics it uses to choose among
> many "correct" diff outputs, like --patience, --histogram, etc.
> Perhaps using one of them would produce one that match your taste
> better?
>

After understanding the correctness of diff algorithm, the default
algorithm also suits my needs now, although the patience algorithm is
more understandable in some special circumstances.

Regards,
Hao Lee