From: Jeff King <peff@peff.net>
To: Junio C Hamano <gitster@pobox.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH 04/10] get_short_sha1: peel tags when looking for treeish
Date: Mon, 26 Sep 2016 13:23:50 -0400 [thread overview]
Message-ID: <20160926172350.ikqfnanrrj5oepmq@sigill.intra.peff.net> (raw)
In-Reply-To: <xmqq7f9yvbwn.fsf@gitster.mtv.corp.google.com>
On Mon, Sep 26, 2016 at 09:55:20AM -0700, Junio C Hamano wrote:
> > Instead, we can use parse_object(). Note that this is the
> > same fix done by 94d75d1 (get_short_sha1(): correctly
> > disambiguate type-limited abbreviation, 2013-07-01), but
> > that commit fixed only the committish disambiguator, and
> > left the bug in the treeish one.
>
> Can you share your secret tool you use to find this kind of thing?
> Yes, the patch from that commit does look very similar to what we
> see in this patch, but I'd love to see "I am fixing an incorrect
> call to lookup-object by replacing it with parse-object; has there
> been a similar fix?" automated ;-)
I wish there was an answer besides "persistence and patience". I was
just finishing up the commit message for the final patch, and noticed
that the tag was not present in the second example output, which happens
to use the tree-ish syntax. And I noticed it was doubly weird that the
same bug did not show up in the test scripts, which look for
committishes. That made me peek at the implementation, and from there it
was an easy `git blame` away.
-Peff
next prev parent reply other threads:[~2016-09-26 17:23 UTC|newest]
Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-26 1:39 Changing the default for "core.abbrev"? Linus Torvalds
2016-09-26 3:46 ` Junio C Hamano
2016-09-26 4:34 ` Jeff King
2016-09-26 4:45 ` Junio C Hamano
2016-09-26 11:57 ` [PATCH 0/10] helping people resolve ambiguous sha1s Jeff King
2016-09-26 11:59 ` [PATCH 01/10] get_sha1: detect buggy calls with multiple disambiguators Jeff King
2016-09-26 16:37 ` Junio C Hamano
2016-09-26 17:21 ` Jeff King
2016-09-26 17:50 ` Junio C Hamano
2016-09-26 11:59 ` [PATCH 02/10] get_sha1: avoid repeating ourselves via ONLY_TO_DIE Jeff King
2016-09-26 11:59 ` [PATCH 03/10] get_sha1: propagate flags to child functions Jeff King
2016-09-26 11:59 ` [PATCH 04/10] get_short_sha1: peel tags when looking for treeish Jeff King
2016-09-26 12:11 ` Jeff King
2016-09-26 16:55 ` Junio C Hamano
2016-09-26 17:23 ` Jeff King [this message]
2016-09-26 12:00 ` [PATCH 05/10] get_short_sha1: refactor init of disambiguation code Jeff King
2016-09-26 12:00 ` [PATCH 06/10] get_short_sha1: NUL-terminate hex prefix Jeff King
2016-09-26 17:10 ` Junio C Hamano
2016-09-26 17:25 ` Jeff King
2016-09-26 17:36 ` Junio C Hamano
2016-09-26 12:00 ` [PATCH 07/10] get_short_sha1: mark ambiguity error for translation Jeff King
2016-09-26 12:00 ` [PATCH 08/10] sha1_array: let callbacks interrupt iteration Jeff King
2016-09-26 12:00 ` [PATCH 09/10] for_each_abbrev: drop duplicate objects Jeff King
2016-09-26 12:00 ` [PATCH 10/10] get_short_sha1: list ambiguous objects on error Jeff King
2016-09-26 16:36 ` Linus Torvalds
2016-09-27 5:42 ` Jacob Keller
2016-09-27 12:38 ` Jeff King
2016-09-29 13:01 ` Kyle J. McKay
2016-09-29 13:24 ` Jeff King
2016-09-29 14:36 ` Kyle J. McKay
2016-09-29 14:55 ` Jeff King
2016-09-26 17:30 ` Junio C Hamano
2016-09-26 17:34 ` Jeff King
2016-09-26 17:39 ` Junio C Hamano
2016-09-29 11:46 ` Kyle J. McKay
2016-09-29 13:03 ` Jeff King
2016-09-29 17:19 ` Junio C Hamano
2016-09-30 5:51 ` Jacob Keller
2019-02-04 16:12 ` [RFC/PATCH] core.abbrev doc: document and test the abbreviation length Ævar Arnfjörð Bjarmason
2019-02-04 19:13 ` Junio C Hamano
2019-02-04 20:04 ` Junio C Hamano
2019-02-04 21:36 ` Ævar Arnfjörð Bjarmason
2019-02-04 23:32 ` Jeff King
2019-02-04 23:50 ` Ævar Arnfjörð Bjarmason
2019-02-06 18:29 ` Jeff King
2019-02-06 18:36 ` Ævar Arnfjörð Bjarmason
2016-09-26 6:33 ` Changing the default for "core.abbrev"? Matthieu Moy
2016-09-26 12:09 ` Jeff King
2016-09-29 13:01 ` Kyle J. McKay
2016-09-26 7:13 ` Christian Couder
2016-09-28 23:30 ` [PATCH 0/4] raising core.abbrev default to 12 hexdigits Junio C Hamano
2016-09-28 23:30 ` [PATCH 1/4] config: allow customizing /etc/gitconfig location Junio C Hamano
2016-09-29 9:53 ` Jakub Narębski
2016-09-29 17:20 ` Junio C Hamano
2016-09-29 17:45 ` Matthieu Moy
2016-09-28 23:30 ` [PATCH 2/4] t13xx: do not assume system config is empty Junio C Hamano
2016-09-29 9:01 ` Jeff King
2016-09-29 18:13 ` Junio C Hamano
2016-09-29 18:26 ` Jeff King
2016-09-29 18:57 ` Junio C Hamano
2016-09-29 19:18 ` Jeff King
2016-09-29 19:57 ` Junio C Hamano
2016-09-29 19:06 ` Junio C Hamano
2016-09-29 19:26 ` Jeff King
2016-09-29 21:03 ` Junio C Hamano
2016-09-29 21:08 ` Jeff King
2016-09-28 23:30 ` [PATCH 3/4] worktree: honor configuration variables Junio C Hamano
2016-09-28 23:30 ` [PATCH 4/4] core.abbrev: raise the default abbreviation to 12 hexdigits Junio C Hamano
2016-09-29 2:44 ` SZEDER Gábor
2016-09-29 5:27 ` Lukas Fleischer
2016-09-29 9:22 ` Jeff King
2016-09-29 9:15 ` Jeff King
2016-09-29 10:03 ` Matthieu Moy
2016-09-29 12:52 ` SZEDER Gábor
2016-09-29 5:58 ` Johannes Sixt
2016-09-29 18:05 ` Junio C Hamano
2016-09-29 18:37 ` Linus Torvalds
2016-09-29 18:55 ` Linus Torvalds
2016-09-29 19:06 ` Linus Torvalds
2016-09-29 19:42 ` Junio C Hamano
2016-09-30 0:56 ` Mike Hommey
2016-09-30 1:01 ` Linus Torvalds
2016-09-30 19:41 ` Ævar Arnfjörð Bjarmason
2016-09-29 19:16 ` Jeff King
2016-09-29 19:40 ` Linus Torvalds
2016-09-29 19:45 ` Junio C Hamano
2016-09-29 21:53 ` Linus Torvalds
2016-09-29 23:13 ` Junio C Hamano
2016-09-29 23:20 ` Junio C Hamano
2016-09-30 0:20 ` Linus Torvalds
2016-09-30 0:28 ` Linus Torvalds
2016-09-30 0:57 ` Linus Torvalds
2016-09-30 1:18 ` Linus Torvalds
2016-09-30 3:54 ` Junio C Hamano
2016-09-30 4:10 ` Junio C Hamano
2016-09-30 4:18 ` Linus Torvalds
2016-09-30 4:29 ` Linus Torvalds
2016-09-30 4:27 ` Junio C Hamano
2016-09-30 4:35 ` Junio C Hamano
2016-09-30 18:40 ` Junio C Hamano
2016-09-30 18:51 ` Linus Torvalds
2016-09-30 19:00 ` Junio C Hamano
2016-09-30 4:11 ` Linus Torvalds
2016-09-30 8:06 ` Jeff King
2016-09-30 17:54 ` Linus Torvalds
2016-09-30 18:05 ` Jeff King
2016-09-30 18:21 ` Linus Torvalds
2016-09-30 20:01 ` Junio C Hamano
2016-09-30 17:56 ` Junio C Hamano
2016-09-30 7:47 ` Jeff King
2016-09-29 9:25 ` Jeff King
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