linux-kernel - Re: Git help for kernel archeology, suppress diffs caused by CVS keyword expansion

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Message-ID: <9e4733910707221212v2f6cc1c4kf7a35e84f351e4cd@mail.gmail.com>
Date:	Sun, 22 Jul 2007 15:12:03 -0400
From:	"Jon Smirl" <jonsmirl@...il.com>
To:	"Linus Torvalds" <torvalds@...ux-foundation.org>
Cc:	"Git Mailing List" <git@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: Git help for kernel archeology, suppress diffs caused by CVS keyword expansion

On 7/22/07, Linus Torvalds <torvalds@...ux-foundation.org> wrote:
>
>
> On Sun, 22 Jul 2007, Jon Smirl wrote:
> >
> > It would really be useful if git diff had an option for suppressing
> > diffs caused by CVS keyword expansion.
>
> I really think it's not a "git diff" issue, but it might be a "import"
> issue.
>
> IOW, I think you'd be a *lot* better off just not importing those things
> in the first place (which is what CVS does internally), or possibly
> importing them as two trees (ie you'd have the "non-log" version and the
> "log expansion" version, so that you can track and compare both).
>
> Doing the thing at "diff" time is certainly possible, but this is simply
> much better done as a totally independent preprocessing phase. The diff
> handling is already some of the more complex parts (and very central), it
> would be much simpler and efficient to not try to make that thing fancier,
> and instead solve the problem at the front-end.

These diffs are coming from companies doing GPL compliance without
really wanting to comply. CVS servers are not made available.


>
>                         Linus
>


-- 
Jon Smirl
jonsmirl@...il.com
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