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From: Junio C Hamano <gitster@pobox.com>
To: Rohit Ashiwal <rohit.ashiwal265@gmail.com>
Cc: peff@peff.net, git@vger.kernel.org, gitgitgadget@gmail.com,
	johannes.schindelin@gmx.de
Subject: Re: [PATCH 1/2] archive: replace write_or_die() calls with write_block_or_die()
Date: Sun, 14 Apr 2019 19:33:39 +0900	[thread overview]
Message-ID: <xmqq7ebwx4e4.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20190414043409.9547-1-rohit.ashiwal265@gmail.com> (Rohit Ashiwal's message of "Sun, 14 Apr 2019 10:04:09 +0530")

Rohit Ashiwal <rohit.ashiwal265@gmail.com> writes:

> On 2019-04-13  1:34 UTC Jeff King <peff@peff.net> wrote:
>
>> What is gzwrite()?
>> [...]
>> I think it would be less confusing if this just factored out
>> write_block_or_die(), which starts as a thin wrapper and then grows the
>> gzip parts in the next patch.
>
> You are right, it might appear to someone as a bit confusing, but I feel
> like, this is the right commit to put it.

Often, the original author is the worst judge about the patch series
organization, because s/he has been staring at his or her own
patches too long and knows too much about them.  Unless the author
is very experienced and is good at pretending to be the first-time
reader when proofreading his or her own patch, that is.

FWIW, I tend to agree with Peff that the organization would become
much easier to follow with "first refactor without new feature, and
in gzip related step add gzip thing".

>> Is it OK for us to ask about the truthiness of this opaque type? That
>> works if it's really a pointer behind the scenes, but it seems like it
>> would be equally OK for zlib to declare it as a struct.

Or a small integer indexing into an internal array the library keeps
track of ;-) At that point, truthiness would be completely gone, and
the compiler would not help catching "if (opaque)" as a syntax error
(if the library implements the opaque thing as a structure, then we
will be saved).

> It would be perfectly sane on zlib's part to make gzFile a struct, and if
> so happens, I'll be there to refactor the code.

We do not trust any single developer enough with "I'll do so when
needed"---in practice, it will often be done by somebody else, and
more importantly, we would want anybody to be able to take things
over, instead of relying on any one "indispensable contributor".

If it is reasonable to expect that things can easily be broken by an
external factor, I'd prefer to see us being defensive from day one.


  reply	other threads:[~2019-04-14 10:33 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-12 23:04 [PATCH 0/2] Avoid spawning gzip in git archive Johannes Schindelin via GitGitGadget
2019-04-12 23:04 ` [PATCH 1/2] archive: replace write_or_die() calls with write_block_or_die() Rohit Ashiwal via GitGitGadget
2019-04-13  1:34   ` Jeff King
2019-04-13  5:51     ` Junio C Hamano
2019-04-14  4:36       ` Rohit Ashiwal
2019-04-26 14:29       ` Johannes Schindelin
2019-04-26 23:44         ` Junio C Hamano
2019-04-29 21:32           ` Johannes Schindelin
2019-05-01 18:09             ` Jeff King
2019-05-02 20:29               ` René Scharfe
2019-05-05  5:25               ` Junio C Hamano
2019-05-06  5:07                 ` Jeff King
2019-04-14  4:34     ` Rohit Ashiwal
2019-04-14 10:33       ` Junio C Hamano [this message]
2019-04-26 14:28     ` Johannes Schindelin
2019-05-01 18:07       ` Jeff King
2019-04-12 23:04 ` [PATCH 2/2] archive: avoid spawning `gzip` Rohit Ashiwal via GitGitGadget
2019-04-13  1:51   ` Jeff King
2019-04-13 22:01     ` René Scharfe
2019-04-15 21:35       ` Jeff King
2019-04-26 14:51         ` Johannes Schindelin
2019-04-27  9:59           ` René Scharfe
2019-04-27 17:39             ` René Scharfe
2019-04-29 21:25               ` Johannes Schindelin
2019-05-01 17:45                 ` René Scharfe
2019-05-01 18:18                   ` Jeff King
2019-06-10 10:44                     ` René Scharfe
2019-06-13 19:16                       ` Jeff King
2019-04-13 22:16     ` brian m. carlson
2019-04-15 21:36       ` Jeff King
2019-04-26 14:54       ` Johannes Schindelin
2019-05-02 20:20         ` Ævar Arnfjörð Bjarmason
2019-05-03 20:49           ` Johannes Schindelin
2019-05-03 20:52             ` Jeff King
2019-04-26 14:47     ` Johannes Schindelin
     [not found] ` <pull.145.v2.git.gitgitgadget@gmail.com>
     [not found]   ` <4ea94a8784876c3a19e387537edd81a957fc692c.1556321244.git.gitgitgadget@gmail.com>
2019-05-02 20:29     ` [PATCH v2 3/4] archive: optionally use zlib directly for gzip compression René Scharfe
     [not found]   ` <ac2b2488a1b42b3caf8a84594c48eca796748e59.1556321244.git.gitgitgadget@gmail.com>
2019-05-02 20:30     ` [PATCH v2 2/4] archive-tar: mark RECORDSIZE/BLOCKSIZE as unsigned René Scharfe
2019-05-08 11:45       ` Johannes Schindelin
2019-05-08 23:04         ` Jeff King
2019-05-09 14:06           ` Johannes Schindelin
2019-05-09 18:38             ` Jeff King
2019-05-10 17:18               ` René Scharfe
2019-05-10 21:20                 ` Jeff King
2022-06-12  6:00 ` [PATCH v3 0/5] Avoid spawning gzip in git archive René Scharfe
2022-06-12  6:03   ` [PATCH v3 1/5] archive: rename archiver data field to filter_command René Scharfe
2022-06-12  6:05   ` [PATCH v3 2/5] archive-tar: factor out write_block() René Scharfe
2022-06-12  6:08   ` [PATCH v3 3/5] archive-tar: add internal gzip implementation René Scharfe
2022-06-13 19:10     ` Junio C Hamano
2022-06-12  6:18   ` [PATCH v3 4/5] archive-tar: use OS_CODE 3 (Unix) for internal gzip René Scharfe
2022-06-12  6:19   ` [PATCH v3 5/5] archive-tar: use internal gzip by default René Scharfe
2022-06-13 21:55     ` Junio C Hamano
2022-06-14 11:27       ` Johannes Schindelin
2022-06-14 15:47         ` René Scharfe
2022-06-14 15:56           ` René Scharfe
2022-06-14 16:29           ` Johannes Schindelin
2022-06-14 20:04             ` René Scharfe
2022-06-15 16:41               ` Junio C Hamano
2022-06-14 11:28   ` [PATCH v3 0/5] Avoid spawning gzip in git archive Johannes Schindelin
2022-06-14 20:05     ` René Scharfe
2022-06-30 18:55       ` Johannes Schindelin
2022-07-01 16:05         ` Johannes Schindelin
2022-07-01 16:27           ` Jeff King
2022-07-01 17:47             ` Junio C Hamano
2022-06-15 16:53 ` [PATCH v4 0/6] " René Scharfe
2022-06-15 16:58   ` [PATCH v4 1/6] archive: update format documentation René Scharfe
2022-06-15 16:59   ` [PATCH v4 2/6] archive: rename archiver data field to filter_command René Scharfe
2022-06-15 17:01   ` [PATCH v4 3/6] archive-tar: factor out write_block() René Scharfe
2022-06-15 17:02   ` [PATCH v4 4/6] archive-tar: add internal gzip implementation René Scharfe
2022-06-15 20:32     ` Ævar Arnfjörð Bjarmason
2022-06-16 18:55       ` René Scharfe
2022-06-24 11:13         ` Ævar Arnfjörð Bjarmason
2022-06-24 20:24           ` René Scharfe
2022-06-15 17:04   ` [PATCH v4 5/6] archive-tar: use OS_CODE 3 (Unix) for internal gzip René Scharfe
2022-06-15 17:05   ` [PATCH v4 6/6] archive-tar: use internal gzip by default René Scharfe

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