From: Brandon Williams <bmwill@google.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org, jonathantanmy@google.com,
sbeller@google.com, jrnieder@gmail.com
Subject: Re: [PATCH v5 2/8] upload-pack: implement ref-in-want
Date: Wed, 27 Jun 2018 13:46:30 -0700 [thread overview]
Message-ID: <20180627204630.GK19910@google.com> (raw)
In-Reply-To: <xmqq7emkf4da.fsf@gitster-ct.c.googlers.com>
On 06/27, Junio C Hamano wrote:
> Brandon Williams <bmwill@google.com> writes:
>
> >> > + * The server SHOULD NOT send any refs which were not requested
> >> > + using 'want-ref' lines and a client MUST ignore refs which
> >> > + weren't requested.
> >>
> >> Just being curious, but the above feels the other way around. Why
> >> are we being more lenient to writers of broken server than writers
> >> of broken clients? The number of installations they need to take
> >> back and replace is certainly lower for the former, which means
> >> that, if exchanges of unsoliclited refs are unwanted, clients should
> >> notice and barf (or warn) if the server misbehaves, and the server
> >> should be forbidden from sending unsolicited refs, no?
> >
> > Ok so should I change the server part to "MUST NOT" and the client part
> > to "SHOULD"? And I can add code to die when we see refs that weren't
> > requested, but i feel like if we add an ability to request a pattern in
> > the future this will completely change, which is why I currently have a
> > client just ignoring anything else.
>
> I did not have enough information to give an answer to "should I do
> X?"; that is why I asked these questions prefixed with "Just being
> curious". I do not quite get a good feeling that I now know enough
> to answer, still, but let me try.
>
> If we anticipate backward incompatible changes between this early
> WIP stage and the final completed protocol, it would be GOOD to make
> sure that an early WIP clients/servers fail when seeing the other
> side gives them something they do not understand, no?
>
> So...
Yeah after thinking more about this I agree, we should have the client
fail out and require that the server MUST not send additional refs.
This can of course be loosened through a capability if we want to do
something else in the future. Thanks for sanity checking me :)
--
Brandon Williams
next prev parent reply other threads:[~2018-06-27 20:46 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-05 17:51 [PATCH 0/8] ref-in-want Brandon Williams
2018-06-05 17:51 ` [PATCH 1/8] test-pkt-line: add unpack-sideband subcommand Brandon Williams
2018-06-05 17:51 ` [PATCH 2/8] upload-pack: implement ref-in-want Brandon Williams
2018-06-05 19:11 ` Ramsay Jones
2018-06-05 20:32 ` Ævar Arnfjörð Bjarmason
2018-06-06 21:32 ` Brandon Williams
2018-06-06 22:42 ` Ævar Arnfjörð Bjarmason
2018-06-06 22:45 ` Brandon Williams
2018-06-05 17:51 ` [PATCH 3/8] upload-pack: test negotiation with changing repository Brandon Williams
2018-06-05 17:51 ` [PATCH 4/8] fetch: refactor the population of peer ref OIDs Brandon Williams
2018-06-05 17:51 ` [PATCH 5/8] fetch: refactor fetch_refs into two functions Brandon Williams
2018-06-05 17:51 ` [PATCH 6/8] fetch: refactor to make function args narrower Brandon Williams
2018-06-05 17:51 ` [PATCH 7/8] fetch-pack: put shallow info in output parameter Brandon Williams
2018-06-05 17:51 ` [PATCH 8/8] fetch-pack: implement ref-in-want Brandon Williams
2018-06-13 21:39 ` [PATCH v2 0/8] ref-in-want Brandon Williams
2018-06-13 21:39 ` [PATCH v2 1/8] test-pkt-line: add unpack-sideband subcommand Brandon Williams
2018-06-14 18:09 ` Stefan Beller
2018-06-14 19:21 ` Brandon Williams
2018-06-13 21:39 ` [PATCH v2 2/8] upload-pack: implement ref-in-want Brandon Williams
2018-06-14 18:40 ` Stefan Beller
2018-06-14 18:52 ` Brandon Williams
2018-06-15 21:08 ` Junio C Hamano
2018-06-15 21:14 ` Junio C Hamano
2018-06-19 18:50 ` Brandon Williams
2018-06-19 20:37 ` Junio C Hamano
2018-06-19 23:14 ` Brandon Williams
2018-06-21 16:38 ` Junio C Hamano
2018-06-13 21:39 ` [PATCH v2 3/8] upload-pack: test negotiation with changing repository Brandon Williams
2018-06-14 19:23 ` Stefan Beller
2018-06-13 21:39 ` [PATCH v2 4/8] fetch: refactor the population of peer ref OIDs Brandon Williams
2018-06-13 21:39 ` [PATCH v2 5/8] fetch: refactor fetch_refs into two functions Brandon Williams
2018-06-13 21:39 ` [PATCH v2 6/8] fetch: refactor to make function args narrower Brandon Williams
2018-06-14 19:32 ` Stefan Beller
2018-06-13 21:39 ` [PATCH v2 7/8] fetch-pack: put shallow info in output parameter Brandon Williams
2018-06-14 19:42 ` Stefan Beller
2018-06-14 23:59 ` Jonathan Tan
2018-06-19 17:41 ` Brandon Williams
2018-06-13 21:39 ` [PATCH v2 8/8] fetch-pack: implement ref-in-want Brandon Williams
2018-06-14 19:56 ` Stefan Beller
2018-06-14 21:18 ` Brandon Williams
2018-06-22 22:29 ` Jonathan Nieder
2018-06-15 21:20 ` [PATCH v2 0/8] ref-in-want Junio C Hamano
2018-06-18 18:05 ` Brandon Williams
2018-06-20 21:32 ` [PATCH v3 " Brandon Williams
2018-06-20 21:32 ` [PATCH v3 1/8] test-pkt-line: add unpack-sideband subcommand Brandon Williams
2018-06-22 21:12 ` Jonathan Nieder
2018-06-20 21:32 ` [PATCH v3 2/8] upload-pack: implement ref-in-want Brandon Williams
2018-06-25 17:40 ` Jonathan Tan
2018-06-25 18:09 ` Jonathan Tan
2018-06-25 18:20 ` Brandon Williams
2018-06-20 21:32 ` [PATCH v3 3/8] upload-pack: test negotiation with changing repository Brandon Williams
2018-06-20 21:32 ` [PATCH v3 4/8] fetch: refactor the population of peer ref OIDs Brandon Williams
2018-06-25 17:45 ` Jonathan Tan
2018-06-20 21:32 ` [PATCH v3 5/8] fetch: refactor fetch_refs into two functions Brandon Williams
2018-06-22 21:26 ` Jonathan Nieder
2018-06-22 21:42 ` Jonathan Nieder
2018-06-20 21:32 ` [PATCH v3 6/8] fetch: refactor to make function args narrower Brandon Williams
2018-06-20 21:32 ` [PATCH v3 7/8] fetch-pack: put shallow info in output parameter Brandon Williams
2018-06-25 18:03 ` Jonathan Tan
2018-06-25 18:18 ` Brandon Williams
2018-06-20 21:32 ` [PATCH v3 8/8] fetch-pack: implement ref-in-want Brandon Williams
2018-06-22 23:01 ` Jonathan Nieder
2018-06-25 18:08 ` Brandon Williams
2018-06-25 18:53 ` [PATCH v4 0/8] ref-in-want Brandon Williams
2018-06-25 18:53 ` [PATCH v4 1/8] test-pkt-line: add unpack-sideband subcommand Brandon Williams
2018-06-25 18:53 ` [PATCH v4 2/8] upload-pack: implement ref-in-want Brandon Williams
2018-06-25 18:53 ` [PATCH v4 3/8] upload-pack: test negotiation with changing repository Brandon Williams
2018-06-25 22:27 ` Jonathan Tan
2018-06-25 18:53 ` [PATCH v4 4/8] fetch: refactor the population of peer ref OIDs Brandon Williams
2018-06-25 18:53 ` [PATCH v4 5/8] fetch: refactor fetch_refs into two functions Brandon Williams
2018-06-25 18:53 ` [PATCH v4 6/8] fetch: refactor to make function args narrower Brandon Williams
2018-06-25 22:36 ` Jonathan Tan
2018-06-25 18:53 ` [PATCH v4 7/8] fetch-pack: put shallow info in output parameter Brandon Williams
2018-06-25 18:53 ` [PATCH v4 8/8] fetch-pack: implement ref-in-want Brandon Williams
2018-06-25 23:03 ` [PATCH v4 0/8] ref-in-want Jonathan Tan
2018-06-26 20:54 ` [PATCH v5 " Brandon Williams
2018-06-26 20:54 ` [PATCH v5 1/8] test-pkt-line: add unpack-sideband subcommand Brandon Williams
2018-06-26 20:54 ` [PATCH v5 2/8] upload-pack: implement ref-in-want Brandon Williams
2018-06-26 21:25 ` Junio C Hamano
2018-06-27 18:05 ` Brandon Williams
2018-06-27 18:53 ` Junio C Hamano
2018-06-27 20:46 ` Brandon Williams [this message]
2018-06-27 20:59 ` Stefan Beller
2018-06-27 18:06 ` Jonathan Tan
2018-06-26 20:54 ` [PATCH v5 3/8] upload-pack: test negotiation with changing repository Brandon Williams
2018-06-26 21:34 ` Junio C Hamano
2018-06-27 18:09 ` Brandon Williams
2018-06-27 17:58 ` Jonathan Tan
2018-06-26 20:54 ` [PATCH v5 4/8] fetch: refactor the population of peer ref OIDs Brandon Williams
2018-06-26 20:54 ` [PATCH v5 5/8] fetch: refactor fetch_refs into two functions Brandon Williams
2018-06-26 20:54 ` [PATCH v5 6/8] fetch: refactor to make function args narrower Brandon Williams
2018-06-26 21:40 ` Junio C Hamano
2018-06-26 20:54 ` [PATCH v5 7/8] fetch-pack: put shallow info in output parameter Brandon Williams
2018-06-26 21:42 ` Junio C Hamano
2018-06-27 18:15 ` Brandon Williams
2018-06-26 20:54 ` [PATCH v5 8/8] fetch-pack: implement ref-in-want Brandon Williams
2018-06-27 18:09 ` Jonathan Tan
2018-06-27 18:18 ` Brandon Williams
2018-06-27 22:30 ` [PATCH v6 0/8] ref-in-want Brandon Williams
2018-06-27 22:30 ` [PATCH v6 1/8] test-pkt-line: add unpack-sideband subcommand Brandon Williams
2018-06-27 22:30 ` [PATCH v6 2/8] upload-pack: implement ref-in-want Brandon Williams
2018-06-27 22:30 ` [PATCH v6 3/8] upload-pack: test negotiation with changing repository Brandon Williams
2018-06-27 22:30 ` [PATCH v6 4/8] fetch: refactor the population of peer ref OIDs Brandon Williams
2018-06-27 22:30 ` [PATCH v6 5/8] fetch: refactor fetch_refs into two functions Brandon Williams
2018-06-27 22:30 ` [PATCH v6 6/8] fetch: refactor to make function args narrower Brandon Williams
2018-06-27 22:30 ` [PATCH v6 7/8] fetch-pack: put shallow info in output parameter Brandon Williams
2018-06-27 22:30 ` [PATCH v6 8/8] fetch-pack: implement ref-in-want Brandon Williams
2018-07-22 9:20 ` Duy Nguyen
2018-07-23 17:53 ` Brandon Williams
2018-07-23 18:13 ` Duy Nguyen
2018-07-23 21:28 ` Jonathan Nieder
2018-07-23 17:56 ` [PATCH] fetch-pack: mark die strings for translation Brandon Williams
2018-07-23 18:14 ` Stefan Beller
2018-07-23 21:29 ` Jonathan Nieder
2018-07-23 22:57 ` Junio C Hamano
2018-07-23 22:59 ` Junio C Hamano
2018-07-23 23:00 ` Brandon Williams
2018-06-15 19:04 ` [PATCH 0/8] ref-in-want Jonathan Tan
2018-06-19 17:32 ` Brandon Williams
2018-06-19 19:23 ` Jonathan Tan
2018-06-19 23:16 ` Brandon Williams
2018-06-19 23:38 ` Jonathan Tan
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