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From: Jonathan Tan <jonathantanmy@google.com>
To: Calvin Wan <calvinwan@google.com>
Cc: Jonathan Tan <jonathantanmy@google.com>,
	git@vger.kernel.org, gitster@pobox.com, philipoakley@iee.email,
	johncai86@gmail.com, me@ttaylorr.com
Subject: Re: [PATCH v4 4/8] object-info: send attribute packet regardless of object ids
Date: Tue,  3 May 2022 16:11:39 -0700	[thread overview]
Message-ID: <20220503231139.4171524-1-jonathantanmy@google.com> (raw)
In-Reply-To: <20220502170904.2770649-5-calvinwan@google.com>

Calvin Wan <calvinwan@google.com> writes:
> Currently on the server side of object-info, if the client does not send
> any object ids in the request or if the client requests an attribute the
> server does not support, the server will either not send any packets
> back or error out. Consider the scenario where the client git version is
> ahead of the server git version, and the client can request additional
> object-info besides 'size'. There needs to be a way to tell whether the
> server can honor all of the client attribute requests before the client
> sends a request with all of the object ids.  

This part explains the problem...

> In a future patch, if the
> client were to make an initial command request with only attributes, the
> server would be able to confirm which attributes it could return.

...and this part explains what we want to do in the future, but this
commit message doesn't explain what this commit does. (The commit
subject has something related, but does not have enough detail. For
example, is it an empty attribute packet?)

Having said that, the way we usually communicate client-server version
differences is through capabilities - is there a reason why we can't use
that here?

  parent reply	other threads:[~2022-05-03 23:11 UTC|newest]

Thread overview: 103+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-08 23:19 [PATCH] fetch —object-info-format: client option for object-info Calvin Wan
2022-02-08 23:56 ` [PATCH v2] " Calvin Wan
2022-02-09 12:48   ` Philip Oakley
2022-02-10 22:32     ` Calvin Wan
2022-02-09 20:41   ` [PATCH v2] fetch object-info-format: " Jonathan Tan
2022-02-10 22:58     ` Calvin Wan
2022-03-28 19:11   ` [PATCH v3 0/3] object-info: add option for retrieving object info Calvin Wan
2022-03-28 19:11     ` [PATCH v3 1/3] fetch-pack: refactor packet writing and fetch options Calvin Wan
2022-03-29 22:54       ` Junio C Hamano
2022-03-29 23:01       ` Taylor Blau
2022-03-30 21:55       ` Jonathan Tan
2022-03-28 19:11     ` [PATCH v3 2/3] transfer.advertiseObjectInfo: add object-info config Calvin Wan
2022-03-29 22:34       ` Junio C Hamano
2022-03-29 22:48         ` Calvin Wan
2022-03-29 23:09           ` Taylor Blau
2022-03-28 19:11     ` [PATCH v3 3/3] object-info: add option for retrieving object info Calvin Wan
2022-03-29 19:57       ` Junio C Hamano
2022-03-29 22:54       ` Junio C Hamano
2022-03-30  0:49         ` Junio C Hamano
2022-03-30 22:31           ` Calvin Wan
2022-03-30 22:43         ` Jonathan Tan
2022-03-30 23:42           ` Junio C Hamano
2022-03-29 23:19       ` Taylor Blau
2022-03-30 22:47         ` Calvin Wan
2022-03-30 22:06       ` John Cai
2022-03-31 19:56         ` Calvin Wan
2022-04-01 16:16           ` Junio C Hamano
2022-03-30 22:07       ` Jonathan Tan
2022-03-30 22:12       ` Josh Steadmon
2022-03-30 22:46         ` Calvin Wan
2022-03-29 20:35     ` [PATCH v3 0/3] " Junio C Hamano
2022-03-29 22:40       ` Calvin Wan
2022-03-31  1:50     ` Junio C Hamano
2022-05-02 17:08     ` [PATCH v4 0/8] cat-file: add --batch-command remote-object-info command Calvin Wan
2022-05-02 17:08       ` [PATCH v4 1/8] fetch-pack: refactor packet writing Calvin Wan
2022-05-02 17:08       ` [PATCH v4 2/8] fetch-pack: move fetch default settings Calvin Wan
2022-05-02 22:58         ` Junio C Hamano
2022-05-03 23:06           ` Jonathan Tan
2022-05-05 18:13             ` Calvin Wan
2022-05-02 17:08       ` [PATCH v4 3/8] object-store: add function to free object_info contents Calvin Wan
2022-05-02 23:23         ` Junio C Hamano
2022-05-04 19:09           ` Junio C Hamano
2022-05-05  0:15           ` Junio C Hamano
2022-05-05 16:47             ` Calvin Wan
2022-05-05 17:01               ` Junio C Hamano
2022-05-02 17:09       ` [PATCH v4 4/8] object-info: send attribute packet regardless of object ids Calvin Wan
2022-05-03  0:05         ` Junio C Hamano
2022-05-03 19:21           ` Calvin Wan
2022-05-03 23:11         ` Jonathan Tan [this message]
2022-05-02 17:09       ` [PATCH v4 5/8] transport: add client side capability to request object-info Calvin Wan
2022-05-03  0:54         ` Junio C Hamano
2022-05-03 18:58           ` Calvin Wan
2022-05-04 15:42             ` Junio C Hamano
2022-05-03 23:15         ` Jonathan Tan
2022-05-04 15:50           ` Junio C Hamano
2022-05-02 17:09       ` [PATCH v4 6/8] transport: add object-info fallback to fetch Calvin Wan
2022-05-03 23:27         ` Jonathan Tan
2022-05-02 17:09       ` [PATCH v4 7/8] cat-file: move parse_cmd and DEFAULT_FORMAT up Calvin Wan
2022-05-02 17:09       ` [PATCH v4 8/8] cat-file: add --batch-command remote-object-info command Calvin Wan
2022-05-04 21:27         ` Jonathan Tan
2022-05-05 18:13           ` Calvin Wan
2022-05-05 18:44             ` Junio C Hamano
2022-05-05 19:09               ` Junio C Hamano
2022-05-05 19:19                 ` Calvin Wan
2022-07-31 15:24         ` ZheNing Hu
2022-08-08 17:43           ` Calvin Wan
2022-07-28 23:02       ` [PATCH v5 0/6] " Calvin Wan
2022-07-28 23:56         ` Junio C Hamano
2022-07-29  0:02           ` Junio C Hamano
2022-07-31  8:41         ` Phillip Wood
2022-08-04 22:57           ` Calvin Wan
2022-09-30 23:23         ` Junio C Hamano
2022-07-28 23:02       ` [PATCH v5 1/6] fetch-pack: refactor packet writing Calvin Wan
2022-07-28 23:02       ` [PATCH v5 2/6] fetch-pack: move fetch initialization Calvin Wan
2022-07-28 23:02       ` [PATCH v5 3/6] protocol-caps: initialization bug fix Calvin Wan
2022-07-29 17:51         ` Junio C Hamano
2022-07-28 23:02       ` [PATCH v5 4/6] serve: advertise object-info feature Calvin Wan
2022-07-29 17:57         ` Junio C Hamano
2022-08-01 18:28           ` Calvin Wan
2022-08-01 18:44             ` Ævar Arnfjörð Bjarmason
2022-08-01 18:47             ` Junio C Hamano
2022-08-01 18:58               ` Calvin Wan
2022-07-28 23:02       ` [PATCH v5 5/6] transport: add client support for object-info Calvin Wan
2022-07-29 18:06         ` Junio C Hamano
2022-08-04 20:28           ` Calvin Wan
2022-08-01 13:30         ` Phillip Wood
2022-08-04 22:20           ` Calvin Wan
2022-08-08 10:07             ` Phillip Wood
2022-08-01 14:26         ` Phillip Wood
2022-08-08  9:16         ` Phillip Wood
2022-07-28 23:02       ` [PATCH v5 6/6] cat-file: add remote-object-info to batch-command Calvin Wan
2022-07-29  6:25         ` Ævar Arnfjörð Bjarmason
2022-08-07  5:50           ` ZheNing Hu
2022-08-08 18:07           ` Calvin Wan
2022-08-11 10:58             ` Ævar Arnfjörð Bjarmason
2022-07-29 18:21         ` Junio C Hamano
2022-08-08 18:37           ` Calvin Wan
2022-09-28 13:12         ` Ævar Arnfjörð Bjarmason
2022-07-31 15:02       ` [PATCH v4 0/8] cat-file: add --batch-command remote-object-info command ZheNing Hu
2022-08-08 17:32         ` Calvin Wan
2022-08-13 22:17       ` Junio C Hamano
2022-02-09 19:09 ` [PATCH] fetch —object-info-format: client option for object-info John Cai
2022-02-10 22:49   ` Calvin Wan

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