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From: Junio C Hamano <gitster@pobox.com>
To: Derrick Stolee <derrickstolee@github.com>
Cc: Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>,
	vdye@github.com, git@vger.kernel.org
Subject: Re: [PATCH v5 3/3] builtin/grep.c: walking tree instead of expanding index with --sparse
Date: Tue, 13 Sep 2022 10:23:46 -0700	[thread overview]
Message-ID: <xmqq7d279oil.fsf@gitster.g> (raw)
In-Reply-To: <093827ae-41ef-5f7c-7829-647536ce1305@github.com> (Derrick Stolee's message of "Thu, 8 Sep 2022 16:46:54 -0400")

Derrick Stolee <derrickstolee@github.com> writes:

> On 9/8/2022 1:59 PM, Junio C Hamano wrote:
>> Shaoxuan Yuan <shaoxuan.yuan02@gmail.com> writes:
>> 
>>> +
>>> +	/*
>>> +	 * NEEDSWORK: when reading a submodule, the sparsity settings in the
>>> +	 * superproject are incorrectly forgotten or misused. For example:
>>> +	 *
>>> +	 * 1. "command_requires_full_index"
>>> +	 * 	When this setting is turned on for `grep`, only the superproject
>>> +	 *	knows it. All the submodules are read with their own configs
>>> +	 *	and get prepare_repo_settings()'d. Therefore, these submodules
>>> +	 *	"forget" the sparse-index feature switch. As a result, the index
>>> +	 *	of these submodules are expanded unexpectedly.
>>  ...
> I think this comment is misplaced. It should either be contained in
> the commit message or placed closer to this diff hunk:

OK, so given what you wrote below, except for such a minor
shuffling, the current series is ready to go?

Thanks.

> ...
> Shaoxuan's comment is attempting to list the reasons why submodules
> do not currently work with sparse-index, and specifically that we
> can add tests that _should_ exercise this code in a meaningful way,
> but because of the current limitations of the codebase, the code
> isn't actually exercised in that scenario.
>
> In order to actually create a test that demonstrates how submodules
> and sparse-checkout work with this logic, we need to do some serious
> refactoring of the sparse-checkout logic to care about the repository
> struct, along with some other concerns specifically around the sparse
> index. This doesn't seem appropriate for the GSoC timeline or even for
> just this topic.


  parent reply	other threads:[~2022-09-13 18:15 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-17  7:56 [PATCH v1 0/2] grep: integrate with sparse index Shaoxuan Yuan
2022-08-17  7:56 ` [PATCH v1 1/2] builtin/grep.c: add --sparse option Shaoxuan Yuan
2022-08-17 14:12   ` Derrick Stolee
2022-08-17 17:13     ` Junio C Hamano
2022-08-17 17:34       ` Victoria Dye
2022-08-17 17:43         ` Derrick Stolee
2022-08-17 18:47           ` Junio C Hamano
2022-08-17 17:37     ` Elijah Newren
2022-08-24 18:20     ` Shaoxuan Yuan
2022-08-24 19:08       ` Derrick Stolee
2022-08-17  7:56 ` [PATCH v1 2/2] builtin/grep.c: integrate with sparse index Shaoxuan Yuan
2022-08-17 14:23   ` Derrick Stolee
2022-08-24 21:06     ` Shaoxuan Yuan
2022-08-25  0:39       ` Derrick Stolee
2022-08-17 13:46 ` [PATCH v1 0/2] grep: " Derrick Stolee
2022-08-29 23:28 ` [PATCH v2 " Shaoxuan Yuan
2022-08-29 23:28   ` [PATCH v2 1/2] builtin/grep.c: add --sparse option Shaoxuan Yuan
2022-08-29 23:28   ` [PATCH v2 2/2] builtin/grep.c: integrate with sparse index Shaoxuan Yuan
2022-08-30 13:45     ` Derrick Stolee
2022-09-01  4:57 ` [PATCH v3 0/3] grep: " Shaoxuan Yuan
2022-09-01  4:57   ` [PATCH v3 1/3] builtin/grep.c: add --sparse option Shaoxuan Yuan
2022-09-01  4:57   ` [PATCH v3 2/3] builtin/grep.c: integrate with sparse index Shaoxuan Yuan
2022-09-01  4:57   ` [PATCH v3 3/3] builtin/grep.c: walking tree instead of expanding index with --sparse Shaoxuan Yuan
2022-09-01 17:03     ` Derrick Stolee
2022-09-01 18:31       ` Shaoxuan Yuan
2022-09-01 17:17     ` Junio C Hamano
2022-09-01 17:27       ` Junio C Hamano
2022-09-01 22:49         ` Shaoxuan Yuan
2022-09-01 22:36       ` Shaoxuan Yuan
2022-09-02  3:28     ` Victoria Dye
2022-09-02 18:47       ` Shaoxuan Yuan
2022-09-03  0:36 ` [PATCH v4 0/3] grep: integrate with sparse index Shaoxuan Yuan
2022-09-03  0:36   ` [PATCH v4 1/3] builtin/grep.c: add --sparse option Shaoxuan Yuan
2022-09-03  0:36   ` [PATCH v4 2/3] builtin/grep.c: integrate with sparse index Shaoxuan Yuan
2022-09-03  0:36   ` [PATCH v4 3/3] builtin/grep.c: walking tree instead of expanding index with --sparse Shaoxuan Yuan
2022-09-03  4:39     ` Junio C Hamano
2022-09-08  0:24       ` Shaoxuan Yuan
2022-09-08  0:18 ` [PATCH v5 0/3] grep: integrate with sparse index Shaoxuan Yuan
2022-09-08  0:18   ` [PATCH v5 1/3] builtin/grep.c: add --sparse option Shaoxuan Yuan
2022-09-10  1:07     ` Victoria Dye
2022-09-14  6:08     ` Elijah Newren
2022-09-15  2:57       ` Junio C Hamano
2022-09-18  2:14         ` Elijah Newren
2022-09-18 19:52           ` Victoria Dye
2022-09-19  1:23             ` Junio C Hamano
2022-09-19  4:27             ` Shaoxuan Yuan
2022-09-19 11:03             ` Ævar Arnfjörð Bjarmason
2022-09-20  7:13             ` Elijah Newren
2022-09-17  3:34       ` Shaoxuan Yuan
2022-09-18  4:24         ` Elijah Newren
2022-09-19  4:13           ` Shaoxuan Yuan
2022-09-17  3:45       ` Shaoxuan Yuan
2022-09-08  0:18   ` [PATCH v5 2/3] builtin/grep.c: integrate with sparse index Shaoxuan Yuan
2022-09-08  0:18   ` [PATCH v5 3/3] builtin/grep.c: walking tree instead of expanding index with --sparse Shaoxuan Yuan
2022-09-08 17:59     ` Junio C Hamano
2022-09-08 20:46       ` Derrick Stolee
2022-09-08 20:56         ` Junio C Hamano
2022-09-08 21:06           ` Shaoxuan Yuan
2022-09-09 12:49           ` Derrick Stolee
2022-09-13 17:23         ` Junio C Hamano [this message]
2022-09-10  2:04     ` Victoria Dye
2022-09-23  4:18 ` [PATCH v6 0/1] grep: integrate with sparse index Shaoxuan Yuan
2022-09-23  4:18   ` [PATCH v6 1/1] builtin/grep.c: " Shaoxuan Yuan
2022-09-23 16:40     ` Junio C Hamano
2022-09-23 16:58     ` Junio C Hamano
2022-09-26 17:28       ` Junio C Hamano
2022-09-23 14:13   ` [PATCH v6 0/1] grep: " Derrick Stolee
2022-09-23 16:01   ` Victoria Dye
2022-09-23 17:08     ` Junio C Hamano

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