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From: Junio C Hamano <gitster@pobox.com>
To: Elijah Newren <newren@gmail.com>
Cc: "Derrick Stolee via GitGitGadget" <gitgitgadget@gmail.com>,
	"Git Mailing List" <git@vger.kernel.org>,
	"Jeff King" <peff@peff.net>,
	"Jonathan Nieder" <jrnieder@gmail.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Nguyễn Thái Ngọc" <pclouds@gmail.com>,
	"Derrick Stolee" <derrickstolee@github.com>,
	"Derrick Stolee" <dstolee@microsoft.com>
Subject: Re: [PATCH 02/27] sparse-index: implement ensure_full_index()
Date: Wed, 27 Jan 2021 21:25:42 -0800	[thread overview]
Message-ID: <xmqqmtwty6nd.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <CABPp-BE3tLmfwyncbdTKZUgLYH_8M9zMjH=+LJG4bdGcbYDPMg@mail.gmail.com> (Elijah Newren's message of "Tue, 26 Jan 2021 19:05:10 -0800")

Elijah Newren <newren@gmail.com> writes:

>>  1. ce->ce_mode == 01000755
>
> This is a weird number.  What's the reason for choosing it?  It looks
> deceptively close to 0100755, normal executable files, but has the
> extra 0, meaning that ce->ce_mode & S_IFMT is 0, suggesting it has no
> file type.
>
> Since it's a directory, why not use S_IFDIR (040000)?
>
> (GITLINK does use the weird 0160000 value, but it happens to be
> S_IFLNK | S_IFDIR == 0120000 | 040000, which conveys "it's both a
> directory and a symlink")

Yes, that combination of IFLNK/IFDIR was the reason why we use the
value.  I tend to think IFDIR is the best thing to use here.

  parent reply	other threads:[~2021-01-28  5:26 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-25 17:41 [PATCH 00/27] [RFC] Sparse Index Derrick Stolee via GitGitGadget
2021-01-25 17:41 ` [PATCH 01/27] sparse-index: add guard to ensure full index Derrick Stolee via GitGitGadget
2021-01-25 17:41 ` [PATCH 02/27] sparse-index: implement ensure_full_index() Derrick Stolee via GitGitGadget
2021-01-27  3:05   ` Elijah Newren
2021-01-27 13:43     ` Derrick Stolee
2021-01-27 16:38       ` Elijah Newren
2021-01-28  5:25     ` Junio C Hamano [this message]
2021-01-25 17:41 ` [PATCH 03/27] t1092: compare sparse-checkout to sparse-index Derrick Stolee via GitGitGadget
2021-01-27  3:08   ` Elijah Newren
2021-01-27 13:30     ` Derrick Stolee
2021-01-27 16:54       ` Elijah Newren
2021-01-25 17:41 ` [PATCH 04/27] test-read-cache: print cache entries with --table Derrick Stolee via GitGitGadget
2021-01-27  3:25   ` Elijah Newren
2021-01-25 17:41 ` [PATCH 05/27] test-tool: read-cache --table --no-stat Derrick Stolee via GitGitGadget
2021-01-25 17:41 ` [PATCH 06/27] test-tool: don't force full index Derrick Stolee via GitGitGadget
2021-01-25 17:41 ` [PATCH 07/27] unpack-trees: ensure " Derrick Stolee via GitGitGadget
2021-01-27  4:43   ` Elijah Newren
2021-01-25 17:41 ` [PATCH 08/27] sparse-checkout: hold pattern list in index Derrick Stolee via GitGitGadget
2021-01-27 17:00   ` Elijah Newren
2021-01-28 13:12     ` Derrick Stolee
2021-01-25 17:41 ` [PATCH 09/27] sparse-index: convert from full to sparse Derrick Stolee via GitGitGadget
2021-01-27 17:30   ` Elijah Newren
2021-01-25 17:41 ` [PATCH 10/27] submodule: sparse-index should not collapse links Derrick Stolee via GitGitGadget
2021-01-25 17:41 ` [PATCH 11/27] unpack-trees: allow sparse directories Derrick Stolee via GitGitGadget
2021-01-27 17:36   ` Elijah Newren
2021-01-25 17:41 ` [PATCH 12/27] sparse-index: check index conversion happens Derrick Stolee via GitGitGadget
2021-01-27 17:46   ` Elijah Newren
2021-01-25 17:41 ` [PATCH 13/27] sparse-index: create extension for compatibility Derrick Stolee via GitGitGadget
2021-01-27 18:03   ` Elijah Newren
2021-01-25 17:42 ` [PATCH 14/27] sparse-checkout: toggle sparse index from builtin Derrick Stolee via GitGitGadget
2021-01-27 18:18   ` Elijah Newren
2021-01-28 15:26     ` Derrick Stolee
2021-01-25 17:42 ` [PATCH 15/27] [RFC-VERSION] *: ensure full index Derrick Stolee via GitGitGadget
2021-02-01 20:22   ` Elijah Newren
2021-02-01 21:10     ` Derrick Stolee
2021-01-25 17:42 ` [PATCH 16/27] unpack-trees: make sparse aware Derrick Stolee via GitGitGadget
2021-02-01 20:50   ` Elijah Newren
2021-02-09 17:23     ` Derrick Stolee
2021-01-25 17:42 ` [PATCH 17/27] dir.c: accept a directory as part of cone-mode patterns Derrick Stolee via GitGitGadget
2021-02-01 22:12   ` Elijah Newren
2021-01-25 17:42 ` [PATCH 18/27] status: use sparse-index throughout Derrick Stolee via GitGitGadget
2021-01-25 17:42 ` [PATCH 19/27] status: skip sparse-checkout percentage with sparse-index Derrick Stolee via GitGitGadget
2021-01-25 17:42 ` [PATCH 20/27] sparse-index: expand_to_path() trivial implementation Derrick Stolee via GitGitGadget
2021-01-25 17:42 ` [PATCH 21/27] sparse-index: expand_to_path no-op if path exists Derrick Stolee via GitGitGadget
2021-02-01 22:34   ` Elijah Newren
2021-01-25 17:42 ` [PATCH 22/27] add: allow operating on a sparse-only index Derrick Stolee via GitGitGadget
2021-02-01 23:08   ` Elijah Newren
2021-01-25 17:42 ` [PATCH 23/27] submodule: die_path_inside_submodule is sparse aware Derrick Stolee via GitGitGadget
2021-01-25 17:42 ` [PATCH 24/27] dir: use expand_to_path in add_patterns() Derrick Stolee via GitGitGadget
2021-02-01 23:21   ` Elijah Newren
2021-01-25 17:42 ` [PATCH 25/27] fsmonitor: disable if index is sparse Derrick Stolee via GitGitGadget
2021-01-25 17:42 ` [PATCH 26/27] pathspec: stop calling ensure_full_index Derrick Stolee via GitGitGadget
2021-02-01 23:24   ` Elijah Newren
2021-02-02  2:39     ` Derrick Stolee
2021-01-25 17:42 ` [PATCH 27/27] cache-tree: integrate with sparse directory entries Derrick Stolee via GitGitGadget
2021-02-01 23:54   ` Elijah Newren
2021-02-02  2:41     ` Derrick Stolee
2021-02-02  3:05       ` Elijah Newren
2021-01-25 20:10 ` [PATCH 00/27] [RFC] Sparse Index Junio C Hamano
2021-01-25 21:18   ` Derrick Stolee
2021-02-02  3:11 ` Elijah Newren

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