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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Johan Herland <johan@herland.net>
Cc: git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>
Subject: Re: [RFC/PATCH 5/3] Alternative --dirstat implementation, based on diffstat analysis
Date: Tue, 12 Apr 2011 15:12:14 -0700	[thread overview]
Message-ID: <BANLkTi=6gV1S+6JtK0GNKW6jhA1RFbYXHw@mail.gmail.com> (raw)
In-Reply-To: <201104130003.02869.johan@herland.net>

On Tue, Apr 12, 2011 at 3:03 PM, Johan Herland <johan@herland.net> wrote:
>
> --stat has a special output mode for binary files:
>
>        Documentation/logo.gif      | Bin 0 -> 16335 bytes

Yeah, I think that's the one we introduced exactly to not give crazy
results (ie really big bars of +++/---).

One option might be to just do something like

    if (binary)
       damage /= 52;

and just say that "52 bytes of binary diff counts as one line".

Which is obviously totally crazy and idiotic, but it actually is
roughly what happens when you print out the binary diff (that "52" is
made up, but I think it may be true. I forget what encoding rules we
use, it's in that kind of range).

So it's "true" in some insane made-up sense.

Feel free to pick any number you like instead of "52" that makes some sense.

Because I don't think we have the option to just dismiss the binary
changes entirely, and I don't like the idea of comparing bytes against
lines.

The other option would be to turn lines (of a non-binary diff) into
bytes, and not count lines at all.

                      Linus

  reply	other threads:[~2011-04-12 22:12 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-07 13:49 BUG? in --dirstat when rearranging lines in a file Johan Herland
2011-04-07 14:56 ` Linus Torvalds
2011-04-07 22:43   ` Junio C Hamano
2011-04-07 22:59     ` Linus Torvalds
2011-04-08 14:46   ` Johan Herland
2011-04-08 14:48     ` [PATCH 1/3] --dirstat: Document shortcomings compared to --stat or regular diff Johan Herland
2011-04-08 19:50       ` Junio C Hamano
2011-04-08 14:50     ` [PATCH 2/3] --dirstat-by-file: Make it faster and more correct Johan Herland
2011-04-08 14:55     ` [RFC/PATCH 3/3] Teach --dirstat to not completely ignore rearranged lines Johan Herland
2011-04-08 15:04     ` BUG? in --dirstat when rearranging lines in a file Linus Torvalds
2011-04-08 19:56       ` Junio C Hamano
2011-04-10 22:48         ` [PATCHv2 0/3] --dirstat fixes Johan Herland
2011-04-10 22:48           ` [PATCHv2 1/3] --dirstat: Describe non-obvious differences relative to --stat or regular diff Johan Herland
2011-04-10 22:48           ` [PATCHv2 2/3] --dirstat-by-file: Make it faster and more correct Johan Herland
2011-04-11 18:14             ` Junio C Hamano
2011-04-10 22:48           ` [PATCHv2 3/3] Teach --dirstat to not completely ignore rearranged lines within a file Johan Herland
2011-04-11 21:38             ` Junio C Hamano
2011-04-11 21:56               ` Johan Herland
2011-04-11 22:08                 ` Junio C Hamano
2011-04-12  9:22                   ` Johan Herland
2011-04-12  9:24                     ` [PATCH 4/3] --dirstat: In case of renames, use target filename instead of source filename Johan Herland
2011-04-12 14:59                       ` Linus Torvalds
2011-04-12  9:26                     ` [RFC/PATCH 5/3] Alternative --dirstat implementation, based on diffstat analysis Johan Herland
2011-04-12 14:46                       ` Linus Torvalds
2011-04-12 15:08                         ` Linus Torvalds
2011-04-12 22:03                           ` Johan Herland
2011-04-12 22:12                             ` Linus Torvalds [this message]
2011-04-12 22:22                             ` Junio C Hamano
2011-04-26  0:01                         ` [PATCH 0/6] --dirstat fixes, part 2 Johan Herland
2011-04-26  0:01                           ` [PATCH 1/6] Add several testcases for --dirstat and friends Johan Herland
2011-04-26  0:01                           ` [PATCH 2/6] Make --dirstat=0 output directories that contribute < 0.1% of changes Johan Herland
2011-04-26  0:01                           ` [PATCH 3/6] Refactor --dirstat parsing; deprecate --cumulative and --dirstat-by-file Johan Herland
2011-04-26 16:36                             ` Junio C Hamano
2011-04-27  2:02                               ` Johan Herland
2011-04-27  4:53                                 ` Junio C Hamano
2011-04-27 20:51                                 ` Junio C Hamano
2011-04-27 21:01                                   ` Junio C Hamano
2011-04-26  0:01                           ` [PATCH 4/6] Add config variable for specifying default --dirstat behavior Johan Herland
2011-04-26 16:43                             ` Junio C Hamano
2011-04-27  2:02                               ` Johan Herland
2011-04-26  0:01                           ` [PATCH 5/6] Use floating point for --dirstat percentages Johan Herland
2011-04-26 16:52                             ` Junio C Hamano
2011-04-27  2:02                               ` Johan Herland
2011-04-27  4:42                                 ` Junio C Hamano
2011-04-27  4:53                                   ` Linus Torvalds
2011-04-27  5:20                                     ` Junio C Hamano
2011-04-26  0:01                           ` [PATCH 6/6] New --dirstat=lines mode, doing dirstat analysis based on diffstat Johan Herland
2011-04-26 16:59                             ` Junio C Hamano
2011-04-27  2:02                               ` Johan Herland
2011-04-26  0:15                           ` [PATCH 0/6] --dirstat fixes, part 2 Linus Torvalds
2011-04-27  2:12                           ` [PATCHv2 " Johan Herland
2011-04-27  2:12                             ` [PATCHv2 1/6] Add several testcases for --dirstat and friends Johan Herland
2011-04-27  2:12                             ` [PATCHv2 2/6] Make --dirstat=0 output directories that contribute < 0.1% of changes Johan Herland
2011-04-27  2:12                             ` [PATCHv2 3/6] Refactor --dirstat parsing; deprecate --cumulative and --dirstat-by-file Johan Herland
2011-04-27  2:12                             ` [PATCHv2 4/6] Add config variable for specifying default --dirstat behavior Johan Herland
2011-04-27  2:12                             ` [PATCHv2 5/6] Use floating point for --dirstat percentages Johan Herland
2011-04-27  2:45                               ` Linus Torvalds
2011-04-27  2:12                             ` [PATCHv2 6/6] New --dirstat=lines mode, doing dirstat analysis based on diffstat Johan Herland
2011-04-27  8:24                             ` [PATCHv3 0/6] --dirstat fixes, part 2 Johan Herland
2011-04-27  8:24                               ` [PATCHv3 1/6] Add several testcases for --dirstat and friends Johan Herland
2011-04-27  8:24                               ` [PATCHv3 2/6] Make --dirstat=0 output directories that contribute < 0.1% of changes Johan Herland
2011-04-27  8:24                               ` [PATCHv3 3/6] Refactor --dirstat parsing; deprecate --cumulative and --dirstat-by-file Johan Herland
2011-04-27  8:24                               ` [PATCHv3 4/6] Add config variable for specifying default --dirstat behavior Johan Herland
2011-04-27  8:24                               ` [PATCHv3 5/6] Allow specifying --dirstat cut-off percentage as a floating point number Johan Herland
2011-04-27  8:37                                 ` Linus Torvalds
2011-04-27 10:29                                   ` [PATCHv4 " Johan Herland
2011-04-27  8:24                               ` [PATCHv3 6/6] New --dirstat=lines mode, doing dirstat analysis based on diffstat Johan Herland
2011-04-28  1:17                               ` [PATCHv5 0/7] --dirstat fixes, part 2 Johan Herland
2011-04-28  1:17                                 ` [PATCHv5 1/7] Add several testcases for --dirstat and friends Johan Herland
2011-04-28  1:17                                 ` [PATCHv5 2/7] Make --dirstat=0 output directories that contribute < 0.1% of changes Johan Herland
2011-04-28  1:17                                 ` [PATCHv5 3/7] Refactor --dirstat parsing; deprecate --cumulative and --dirstat-by-file Johan Herland
2011-04-28  1:17                                 ` [PATCHv5 4/7] Add config variable for specifying default --dirstat behavior Johan Herland
2011-04-28  1:17                                 ` [PATCHv5 5/7] Allow specifying --dirstat cut-off percentage as a floating point number Johan Herland
2011-04-28  1:17                                 ` [PATCHv5 6/7] New --dirstat=lines mode, doing dirstat analysis based on diffstat Johan Herland
2011-04-28  1:17                                 ` [PATCHv5 7/7] Improve error handling when parsing dirstat parameters Johan Herland
2011-04-28 18:41                                   ` Junio C Hamano
2011-04-28 19:20                                     ` Junio C Hamano
2011-04-28 23:16                                       ` Johan Herland
2011-04-28 23:13                                     ` Johan Herland
2011-04-29  4:06                                       ` Junio C Hamano
2011-04-29  9:36                                         ` [PATCHv6 0/8] --dirstat fixes, part 2 Johan Herland
2011-04-29  9:36                                           ` [PATCHv6 1/8] Add several testcases for --dirstat and friends Johan Herland
2011-04-29  9:36                                           ` [PATCHv6 2/8] Make --dirstat=0 output directories that contribute < 0.1% of changes Johan Herland
2011-04-29  9:36                                           ` [PATCHv6 3/8] Refactor --dirstat parsing; deprecate --cumulative and --dirstat-by-file Johan Herland
2011-04-29  9:36                                           ` [PATCHv6 4/8] Add config variable for specifying default --dirstat behavior Johan Herland
2011-04-29  9:36                                           ` [PATCHv6 5/8] Allow specifying --dirstat cut-off percentage as a floating point number Johan Herland
2011-04-29  9:36                                           ` [PATCHv6 6/8] New --dirstat=lines mode, doing dirstat analysis based on diffstat Johan Herland
2011-04-29  9:36                                           ` [PATCHv6 7/8] Improve error handling when parsing dirstat parameters Johan Herland
2011-04-29  9:36                                           ` [PATCHv6 8/8] Mark dirstat error messages for translation Johan Herland
2011-04-12 18:34                       ` [RFC/PATCH 5/3] Alternative --dirstat implementation, based on diffstat analysis Junio C Hamano
2011-04-10 23:17           ` [PATCHv2 0/3] --dirstat fixes Linus Torvalds

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