On Sun, 22 Jul 2007, Jon Smirl wrote:
> On 7/22/07, Linus Torvalds <[email protected]> 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.
That wasn't what I said.
You want to supporess the CVS keyword expansion.
I'm telling you that you should just do so.
But I'm *also* telling you that this has nothing to do with "git diff".
The way to get "git diff" to not show the CVS expansion is to *remove* the
CVS expansion. By simply running some pre-processing on the patches
*before* you put them into git in the first place (or, like Dscho
suggested: you could do it later too, by using git filter-branch).
Once you have the version that doesn't have the CVS log, "git diff" will
automatically do the rigth thing.
In other words, I'm just saying that you're trying to solve the wrong
problem. Once you solve the *right* problem, the wrong problem just goes
away.
Linus
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