From: Thomas Guyot <tguyot@gmail.com>
To: Taylor Blau <me@ttaylorr.com>
Cc: git@vger.kernel.org, dermoth@aei.ca, peff@peff.net
Subject: Re: [PATCH v2] diff: Fix modified lines stats with --stat and --numstat
Date: Sun, 20 Sep 2020 12:38:20 -0400 [thread overview]
Message-ID: <a126bcf6-13f7-48f0-95d9-d934d042d7fd@gmail.com> (raw)
In-Reply-To: <20200920153915.GB2726066@nand.local>
On 2020-09-20 11:39, Taylor Blau wrote:
> On Sun, Sep 20, 2020 at 09:09:46AM -0400, Thomas Guyot-Sionnest wrote:
>> In builtin_diffstat(), when both files are coming from "stdin" (which
>> could be better described as the file's content being written directly
>> into the file object), oideq() compares two null hashes and ignores the
>> actual differences for the statistics.
>>
>> This patch checks if is_stdin flag is set on both sides and compare
>> contents directly.
>>
>> Signed-off-by: Thomas Guyot-Sionnest <tguyot@gmail.com>
>> ---
>> Range-diff:
>> 1: 479c2835fc ! 1: 1f25713d44 diff: Fix modified lines stats with --stat and --numstat
>> @@ -20,8 +20,12 @@
>> }
>>
>> - same_contents = oideq(&one->oid, &two->oid);
>> ++ /* What is_stdin really means is that the file's content is only
>> ++ * in the filespec's buffer and its oid is zero. We can't compare
>> ++ * oid's if both are null and we can just diff the buffers */
>> + if (one->is_stdin && two->is_stdin)
>> -+ same_contents = !strcmp(one->data, two->data);
>> ++ same_contents = (one->size == two->size ?
>> ++ !memcmp(one->data, two->data, one->size) : 0);
>> + else
>> + same_contents = oideq(&one->oid, &two->oid);
>
> After reading your explanation in [1], this version makes more sense to
> me.
>
> Thanks.
>
> [1]: https://lore.kernel.org/git/f4c4cb48-f4b5-3d4d-066d-b94e961dcbb5@gmail.com/
There's a little bit missing... Just before the new code example:,
previous to last paragraph:
> it's assumed [we can just call oidcmp()] and I won't make complex
--
Thomas
next prev parent reply other threads:[~2020-09-20 16:38 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-18 11:32 Allow passing pipes to diff --no-index + bugfix Thomas Guyot-Sionnest
2020-09-18 11:32 ` [PATCH 1/2] diff: Fix modified lines stats with --stat and --numstat Thomas Guyot-Sionnest
2020-09-18 14:46 ` Taylor Blau
2020-09-18 15:10 ` Thomas Guyot-Sionnest
2020-09-18 17:37 ` Jeff King
2020-09-18 18:00 ` Thomas Guyot-Sionnest
2020-09-20 4:53 ` Thomas Guyot
2020-09-18 17:27 ` Jeff King
2020-09-18 17:52 ` Thomas Guyot-Sionnest
2020-09-18 18:06 ` Junio C Hamano
2020-09-23 19:16 ` Johannes Schindelin
2020-09-23 19:23 ` Junio C Hamano
2020-09-23 20:44 ` Johannes Schindelin
2020-09-24 4:49 ` Thomas Guyot
2020-09-24 5:24 ` [PATCH v3] " Thomas Guyot-Sionnest
2020-09-24 7:41 ` [PATCH v4] " Thomas Guyot-Sionnest
2020-09-24 6:40 ` [PATCH 1/2] " Junio C Hamano
2020-09-24 7:13 ` Thomas Guyot
2020-09-24 17:19 ` Junio C Hamano
2020-09-24 17:38 ` Junio C Hamano
2020-09-23 15:05 ` Johannes Schindelin
2020-09-20 13:09 ` [PATCH v2] " Thomas Guyot-Sionnest
2020-09-20 15:39 ` Taylor Blau
2020-09-20 16:38 ` Thomas Guyot [this message]
2020-09-20 19:11 ` Junio C Hamano
2020-09-20 20:08 ` Junio C Hamano
2020-09-20 20:36 ` Junio C Hamano
2020-09-20 22:15 ` Junio C Hamano
2020-09-21 19:26 ` Jeff King
2020-09-21 21:51 ` Junio C Hamano
2020-09-21 22:20 ` Jeff King
2020-09-21 22:37 ` Junio C Hamano
2020-09-18 11:32 ` [PATCH 2/2] Allow passing pipes for input pipes to diff --no-index Thomas Guyot-Sionnest
2020-09-18 14:36 ` Taylor Blau
2020-09-18 16:34 ` Thomas Guyot-Sionnest
2020-09-18 17:19 ` Jeff King
2020-09-18 17:21 ` Jeff King
2020-09-18 17:39 ` Thomas Guyot-Sionnest
2020-09-18 17:48 ` Junio C Hamano
2020-09-18 18:02 ` Jeff King
2020-09-20 12:54 ` Thomas Guyot
2020-09-21 19:31 ` Jeff King
2020-09-21 20:14 ` Junio C Hamano
2020-09-18 17:58 ` Taylor Blau
2020-09-18 18:05 ` Jeff King
2020-09-18 17:20 ` Jeff King
2020-09-18 18:00 ` Taylor Blau
2020-09-18 21:56 ` brian m. carlson
2020-09-18 17:51 ` Allow passing pipes to diff --no-index + bugfix Junio C Hamano
2020-09-18 18:24 ` Thomas Guyot-Sionnest
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