Re: the war on trailing whitespace

>
> 
> 
> On Sat, 25 Feb 2006, Andrew Morton wrote:
> > 
> > I'd suggest a) git will simply refuse to apply such a patch unless given a
> > special `forcing' flag, b) even when thus forced, it will still warn and c)
> > with a different flag, it will strip-then-apply, without generating a
> > warning.
> 
> This doesn't do the "strip-then-apply" thing, but it allows you to make 
> git-apply generate a warning or error on extraneous whitespace.
> 
> Use --whitespace=warn to warn, and (surprise, surprise) --whitespace=error 
> to make it a fatal error to have whitespace at the end.

> HOWEVER! Note that this literally will check every single patch-line with 
> "+" at the beginning. Which means that if you fix a simple typo, and the 
> line had a space at the end before, and you didn't remove it, that's still 
> considered a "new line with whitespace at the end", even though obviously 
> the line wasn't really new.
> 
> I assume this is what you wanted, and there isn't really any sane 
> alternatives (you could make the warning activate only for _pure_ 
> additions with no deletions at all in that hunk, but that sounds a bit 
> insane).