linux-kernel - Re: git diff <-> diffstat

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Date:	Mon, 25 Sep 2006 08:17:28 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Linus Torvalds <torvalds@...l.org>
cc:	Adrian Bunk <bunk@...sta.de>, Jeff Garzik <jeff@...zik.org>,
	Andrew Morton <akpm@...l.org>,
	LKML <linux-kernel@...r.kernel.org>, junkio@....net
Subject: Re: git diff <-> diffstat


>> Ah, OK. The truncates are something I wasn't used from diffstat 
>> (diffstat always prints the complete name).
>
>Yeah, I don't know what the right solution is.
>
>Especially with renames (but even without), diffstat-like output can get 
>some _really_ long lines, and since I think it's important to get the 
>actual _stat_ part to line up (so that you can really see where the big 
>changes are),

Would it be useful to use the logarithm for the + and -? Like

  #perl
  print $filename, " | ",
        "+" x log($additions) / log(2),
        "-" x log($deletions) / log(2);

That would print 'small' changes with more or less (might want to 
tune log(2)) their regular amount of +/-, while 'large' changes (say, 
1000+?) do not create extremely long lines.



Jan Engelhardt
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