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From: Ben Knoble <ben.knoble@gmail•com>
To: Junio C Hamano <gitster@pobox•com>
Cc: Jacob Keller <jacob.e.keller@intel•com>,
	git@vger•kernel.org, Jacob Keller <jacob.keller@gmail•com>
Subject: Re: [PATCH v4 0/3] diff: add pathspec support to --no-index
Date: Tue, 3 Jun 2025 22:32:27 -0400	[thread overview]
Message-ID: <CC5E400F-F354-44F7-8252-B4F5873E832D@gmail.com> (raw)
In-Reply-To: <xmqq1ps0il6k.fsf@gitster.g>


> Le 3 juin 2025 à 17:12, Junio C Hamano <gitster@pobox•com> a écrit :
> 
> Jacob Keller <jacob.e.keller@intel•com> writes:
> 
>> From: Jacob Keller <jacob.keller@gmail•com>
>> This series adds support for using pathspecs to limit the comparison when
>> using git diff --no-index. This is similar to how you can limit what is
>> included with pathspecs when comparing inside a repository.
>> This version uses only one set of pathspecs and instead uses some logic to
>> skip past the root of each directory tree being scanned. This avoids needing
>> to parse pathspecs multiple times, and is overall a simpler approach.
>> I also opted to add a match_leading_pathspec() instead of exposing the
>> match_pathspec_with_flags(), since I didn't how DO_MATCH_EXCLUDES wasn't
>> exposed. It felt messy.
>> I tried a couple of different methods for skipping past the leading portion
>> of a path, including skip_prefix. Ultimately just the index to skip to
>> seemed like the simplest solution. I like that it means we only need a
>> single pathspec array now, and that we no longer have to worry about
>> changing prefix_path_gently.
>> Changes since v3:
>> * Drop the patch modifying prefix_path(_gently).
>> * Instead of exposing the do_match_pathspec flags, create a
>> match_leading_pathspec() variant that sets both flags when is_dir is true.
>> * Use some simple logic to skip past the starting portions of each path
>> before calling match_leading_pathspec
>> * Re-write the commit message for the final patch
>> * Add a couple more test cases
>> * Simplify existing test cases to use --name-status
>> * Drop remaining TODOs
> 
> Anybody, other than Jacob and I, interested in this series?  We
> haven't seen any support or review and I am considering merging it
> down for the next cycle sometime in coming weeks.
> 
> Thanks.

I have no code review, and the docs look good. I probably would lean more towards other tools for diffing (non-Git) directories, but I don’t know which offhand, so I don’t mind extending Git’s existing mechanism this way. It certainly allows some interesting commands that I can see myself taking advantage of, and it feels overall like a natural extension of the interface.

  reply	other threads:[~2025-06-04  2:32 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-21 23:29 [PATCH v4 0/3] diff: add pathspec support to --no-index Jacob Keller
2025-05-21 23:29 ` [PATCH v4 1/3] pathspec: add match_leading_pathspec variant Jacob Keller
2025-05-21 23:29 ` [PATCH v4 2/3] pathspec: add flag to indicate operation without repository Jacob Keller
2025-05-21 23:29 ` [PATCH v4 3/3] diff --no-index: support limiting by pathspec Jacob Keller
2025-06-04  2:37   ` Ben Knoble
2025-06-04 17:22     ` Jacob Keller
2025-06-04 18:27     ` Jacob Keller
2025-06-04 20:19       ` Junio C Hamano
2025-06-04 21:05         ` Jacob Keller
2025-06-04 21:36           ` D. Ben Knoble
2025-06-04 23:22             ` Junio C Hamano
2025-09-23 14:57   ` Johannes Schindelin
2025-09-23 22:48     ` Jacob Keller
2025-09-24 11:19       ` Johannes Schindelin
2025-09-24 18:19         ` Jacob Keller
2025-09-24 18:23           ` Jacob Keller
2025-05-22 21:37 ` [PATCH v4 0/3] diff: add pathspec support to --no-index Junio C Hamano
2025-05-22 21:50   ` Jacob Keller
2025-05-22 22:04     ` Junio C Hamano
2025-06-03 21:12 ` Junio C Hamano
2025-06-04  2:32   ` Ben Knoble [this message]
2025-06-05 15:34   ` Phillip Wood

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