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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Taylor Blau <me@ttaylorr.com>
Cc: "Eric Sunshine" <sunshine@sunshineco.com>,
	"Git List" <git@vger.kernel.org>,
	"Junio C Hamano" <gitster@pobox.com>,
	"René Scharfe" <l.s.r@web.de>,
	"Martin Ågren" <martin.agren@gmail.com>,
	"Jeff King" <peff@peff.net>, "Beat Bolli" <dev+git@drbeat.li>
Subject: Re: [PATCH v2 2/6] grep.c: take column number as argument to show_line()
Date: Mon, 23 Apr 2018 10:01:17 +0200	[thread overview]
Message-ID: <874lk2e4he.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <20180423011726.GD78148@syl.local>


On Mon, Apr 23 2018, Taylor Blau wrote:

> For your consideration: https://github.com/ttaylorr/git/compare/tb/grep-colno

Looks good to me aside from two minor issues I noticed:

 * In "grep.c: display column number of first match" you use a comment
   style we don't normally use, i.e. /**\n not /*\n. See "Multi-line
   comments" in Documentation/CodingGuidelines.

 * You're not updating contrib/git-jump/README to document the new
   output format. It just refers to the old format, but now depending on
   if you use "grep" or not it'll use this new thing. It also makes
   sense to update the example added in 007d06aa57 ("contrib/git-jump:
   allow to configure the grep command", 2017-11-20) which seems to have
   added jump.grepCmd as a workaround for not having this.

But also, after just looking at this the second time around; Is there a
reason we shouldn't just call this --column, not --column-number? I
realize the former works because of the lazyness of our getopt parsing
(also --colu though..).

I think when we add features to git-grep we should be as close to GNU
grep as possible (e.g. not add this -m alias meaning something different
as in your v1), but if GNU grep doesn't have something go with the trend
of other grep tools, as noted at
https://beyondgrep.com/feature-comparison/ (and I found another one that
has this: https://github.com/beyondgrep/website/pull/83), so there's
already 3 prominent grep tools that call this just --column.

I think we should just go with that.

Also, as a bonus question, since you're poking at this column code
anyway, interested in implementing -o (--only-matching)? That would be
super-useful (see
https://public-inbox.org/git/87in9ucsbb.fsf@evledraar.gmail.com/) :)

  parent reply	other threads:[~2018-04-23  8:01 UTC|newest]

Thread overview: 108+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1524281843.git.me@ttaylorr.com>
2018-04-21  3:45 ` [PATCH 1/6] grep.c: take regmatch_t as argument in match_line() Taylor Blau
2018-04-22 20:47   ` [PATCH v2 0/6] Teach '--column-number' to 'git-grep(1)' Taylor Blau
2018-04-22 20:47     ` [PATCH v2 1/6] grep.c: take regmatch_t as argument in match_line() Taylor Blau
2018-04-22 23:14       ` Eric Sunshine
2018-04-22 23:30         ` Taylor Blau
2018-04-22 20:47     ` [PATCH v2 2/6] grep.c: take column number as argument to show_line() Taylor Blau
2018-04-23  0:16       ` Eric Sunshine
2018-04-23  1:17         ` Taylor Blau
2018-04-23  3:30           ` Eric Sunshine
2018-04-23  7:27             ` Ævar Arnfjörð Bjarmason
2018-04-23  7:34               ` Eric Sunshine
2018-04-24  4:27                 ` Taylor Blau
2018-04-23  8:01           ` Ævar Arnfjörð Bjarmason [this message]
2018-04-24  4:31             ` Taylor Blau
2018-04-24  6:13             ` Junio C Hamano
2018-04-24 18:34               ` Taylor Blau
2018-04-22 20:47     ` [PATCH v2 3/6] grep.[ch]: teach columnnum, color_columnno to grep_opt Taylor Blau
2018-04-22 21:42       ` Ævar Arnfjörð Bjarmason
2018-04-22 23:24         ` Taylor Blau
2018-04-23  0:21           ` Eric Sunshine
2018-04-23  1:11             ` Taylor Blau
2018-04-22 20:47     ` [PATCH v2 4/6] grep.c: display column number of first match Taylor Blau
2018-04-23  0:24       ` Eric Sunshine
2018-04-23  1:12         ` Taylor Blau
2018-04-22 20:47     ` [PATCH v2 5/6] builtin/grep.c: show column numbers via --column-number Taylor Blau
2018-04-22 21:48       ` Ævar Arnfjörð Bjarmason
2018-04-22 23:26         ` Taylor Blau
2018-04-23  0:32       ` Eric Sunshine
2018-04-23  1:14         ` Taylor Blau
2018-04-22 20:47     ` [PATCH v2 6/6] contrib/git-jump/git-jump: use column number when grep-ing Taylor Blau
2018-04-22 21:49       ` Ævar Arnfjörð Bjarmason
2018-04-22 23:27         ` Taylor Blau
2018-04-22 23:28     ` [PATCH v2 0/6] Teach '--column-number' to 'git-grep(1)' Junio C Hamano
2018-04-22 23:34       ` Taylor Blau
2018-04-23 13:46         ` Junio C Hamano
2018-04-24  5:07   ` [PATCH v3 0/7] " Taylor Blau
2018-04-24  5:07     ` [PATCH v3 1/7] Documentation/config.txt: camel-case lineNumber for consistency Taylor Blau
2018-04-24  5:07     ` [PATCH v3 2/7] grep.c: expose matched column in match_line() Taylor Blau
2018-04-24  5:07     ` [PATCH v3 3/7] grep.[ch]: extend grep_opt to allow showing matched column Taylor Blau
2018-04-24  5:07     ` [PATCH v3 4/7] grep.c: display column number of first match Taylor Blau
2018-04-24  5:42       ` Eric Sunshine
2018-04-24  5:07     ` [PATCH v3 5/7] builtin/grep.c: add '--column-number' option to 'git-grep(1)' Taylor Blau
2018-04-24  5:07     ` [PATCH v3 6/7] grep.c: add configuration variables to show matched option Taylor Blau
2018-04-24  5:07     ` [PATCH v3 7/7] contrib/git-jump/git-jump: jump to match column in addition to line Taylor Blau
2018-04-24  5:37       ` Eric Sunshine
2018-04-24 18:39         ` Taylor Blau
2018-05-05  2:42   ` [PATCH v4 0/7] Teach '--column' to 'git-grep(1)' Taylor Blau
2018-05-05  2:42     ` [PATCH v4 1/7] Documentation/config.txt: camel-case lineNumber for consistency Taylor Blau
2018-05-05  2:42     ` [PATCH v4 2/7] grep.c: expose matched column in match_line() Taylor Blau
2018-05-08  6:08       ` René Scharfe
2018-05-05  2:42     ` [PATCH v4 3/7] grep.[ch]: extend grep_opt to allow showing matched column Taylor Blau
2018-05-05  2:43     ` [PATCH v4 4/7] grep.c: display column number of first match Taylor Blau
2018-05-05  2:43     ` [PATCH v4 5/7] builtin/grep.c: add '--column' option to 'git-grep(1)' Taylor Blau
2018-05-05  6:15       ` Duy Nguyen
2018-05-07 23:38         ` Taylor Blau
2018-05-06 17:43       ` Phillip Wood
2018-05-06 17:56       ` Ævar Arnfjörð Bjarmason
2018-05-07 23:40         ` Taylor Blau
2018-05-07 14:13       ` Junio C Hamano
2018-05-08  0:08         ` Taylor Blau
2018-05-05  2:43     ` [PATCH v4 6/7] grep.c: add configuration variables to show matched option Taylor Blau
2018-05-05  2:43     ` [PATCH v4 7/7] contrib/git-jump/git-jump: jump to match column in addition to line Taylor Blau
2018-05-06 14:43       ` Martin Ågren
2018-05-06 18:03         ` Ævar Arnfjörð Bjarmason
2018-05-07 23:35           ` Taylor Blau
2018-05-09  2:13   ` [PATCH v5 0/7] Teach '--column' to 'git-grep(1)' Taylor Blau
2018-05-09  2:13     ` [PATCH v5 1/7] Documentation/config.txt: camel-case lineNumber for consistency Taylor Blau
2018-05-09  2:13     ` [PATCH v5 2/7] grep.c: expose matched column in match_line() Taylor Blau
2018-05-09  2:13     ` [PATCH v5 3/7] grep.[ch]: extend grep_opt to allow showing matched column Taylor Blau
2018-05-09  2:13     ` [PATCH v5 4/7] grep.c: display column number of first match Taylor Blau
2018-05-09  2:13     ` [PATCH v5 5/7] builtin/grep.c: add '--column' option to 'git-grep(1)' Taylor Blau
2018-05-09 10:41       ` Phillip Wood
2018-05-09 17:26         ` Martin Ågren
2018-05-09 23:52           ` Taylor Blau
2018-05-10  0:04             ` Junio C Hamano
2018-05-10  5:58               ` René Scharfe
2018-05-10  6:43                 ` Junio C Hamano
2018-05-12  3:27               ` Taylor Blau
2018-05-12  5:08                 ` Junio C Hamano
2018-05-12  5:19                   ` Taylor Blau
2018-05-12  6:07                     ` Junio C Hamano
2018-05-18  3:38                       ` Taylor Blau
2018-05-18  6:27                         ` Junio C Hamano
2018-05-18 21:50                           ` Taylor Blau
2018-05-19  4:44                             ` Taylor Blau
2018-05-09 23:49         ` Taylor Blau
2018-05-09 16:17       ` Duy Nguyen
2018-05-09 23:48         ` Taylor Blau
2018-05-09  2:13     ` [PATCH v5 6/7] grep.c: add configuration variables to show matched option Taylor Blau
2018-05-09  2:13     ` [PATCH v5 7/7] contrib/git-jump/git-jump: jump to match column in addition to line Taylor Blau
2018-05-12  3:10   ` [PATCH v6 0/7] Teach '--column' to 'git-grep(1)' Taylor Blau
2018-05-12  3:11     ` [PATCH v6 1/7] Documentation/config.txt: camel-case lineNumber for consistency Taylor Blau
2018-05-12  3:11     ` [PATCH v6 2/7] grep.c: expose matched column in match_line() Taylor Blau
2018-05-12  3:11     ` [PATCH v6 3/7] grep.[ch]: extend grep_opt to allow showing matched column Taylor Blau
2018-05-12  3:11     ` [PATCH v6 4/7] grep.c: display column number of first match Taylor Blau
2018-05-12  3:11     ` [PATCH v6 5/7] builtin/grep.c: add '--column' option to 'git-grep(1)' Taylor Blau
2018-05-12  3:11     ` [PATCH v6 6/7] grep.c: add configuration variables to show matched option Taylor Blau
2018-05-12  3:11     ` [PATCH v6 7/7] contrib/git-jump/git-jump: jump to match column in addition to line Taylor Blau
2018-04-21  3:45 ` [PATCH 2/6] grep.c: take column number as argument to show_line() Taylor Blau
2018-04-21  3:45 ` [PATCH 3/6] grep.[ch]: teach columnnum, color_columnno to grep_opt Taylor Blau
2018-04-21  8:32   ` Martin Ågren
2018-04-21  3:45 ` [PATCH 4/6] grep.c: display column number of first match Taylor Blau
2018-04-21  3:45 ` [PATCH 5/6] builtin/grep.c: show column numbers via --column-number Taylor Blau
2018-04-21  4:07   ` Junio C Hamano
2018-04-21  4:14     ` Junio C Hamano
2018-04-21  5:36       ` René Scharfe
2018-04-21  8:39   ` Martin Ågren
2018-04-21  3:45 ` [PATCH 6/6] contrib/git-jump/git-jump: use column number when grep-ing Taylor Blau

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