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From: Duy Nguyen <pclouds@gmail.com>
To: Jeff King <peff@peff.net>
Cc: "Jeff Mitchell" <jeffrey.mitchell@gmail.com>,
	"Ævar Arnfjörð" <avarab@gmail.com>,
	git@vger.kernel.org
Subject: Re: propagating repo corruption across clone
Date: Tue, 26 Mar 2013 08:06:33 +0700	[thread overview]
Message-ID: <CACsJy8CZvDfCPPbsRkKJJXiQNpuQOXD-Hm-A7ePbu9tFaG_v5A@mail.gmail.com> (raw)
In-Reply-To: <20130325155600.GA18216@sigill.intra.peff.net>

On Mon, Mar 25, 2013 at 10:56 PM, Jeff King <peff@peff.net> wrote:
> On Mon, Mar 25, 2013 at 10:31:04PM +0700, Nguyen Thai Ngoc Duy wrote:
>
>> On Mon, Mar 25, 2013 at 9:56 PM, Jeff King <peff@peff.net> wrote:
>> > There are basically three levels of transport that can be used on a
>> > local machine:
>> >
>> >   1. Hard-linking (very fast, no redundancy).
>> >
>> >   2. Byte-for-byte copy (medium speed, makes a separate copy of the
>> >      data, but does not check the integrity of the original).
>> >
>> >   3. Regular git transport, creating a pack (slowest, but should include
>> >      redundancy checks).
>> >
>> > Using --no-hardlinks turns off (1), but leaves (2) as an option.  I
>> > think the documentation in "git clone" could use some improvement in
>> > that area.
>>
>> Not only git-clone. How git-fetch and git-push verify the new pack
>> should also be documented. I don't think many people outside the
>> contributor circle know what is done (and maybe how) when data is
>> received from outside.
>
> I think it's less of a documentation issue there, though, because they
> _only_ do (3). There is no option to do anything else, so there is
> nothing to warn the user about in terms of tradeoffs.
>
> I agree that in general git's handling of corruption could be documented
> somewhere, but I'm not sure where.

I think either a section in git-fsck.txt or git.txt. Probably the
former as people who read it are probably more concerned about
corruption.
-- 
Duy

  parent reply	other threads:[~2013-03-26  1:07 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-24 18:31 propagating repo corruption across clone Jeff King
2013-03-24 19:01 ` Ævar Arnfjörð Bjarmason
2013-03-24 19:23   ` Jeff King
2013-03-25 13:43     ` Jeff Mitchell
2013-03-25 14:56       ` Jeff King
2013-03-25 15:31         ` Duy Nguyen
2013-03-25 15:56           ` Jeff King
2013-03-25 16:32             ` Jeff Mitchell
2013-03-25 20:07               ` Jeff King
2013-03-26 13:43                 ` Jeff Mitchell
2013-03-26 16:55                   ` Jeff King
2013-03-26 21:59                     ` Philip Oakley
2013-03-26 22:03                       ` Jeff King
2013-03-26 23:20                     ` Rich Fromm
2013-03-27  1:25                       ` Jonathan Nieder
2013-03-27 18:23                         ` Rich Fromm
2013-03-27 19:49                           ` Jeff King
2013-03-27 20:04                             ` Jeff King
2013-03-27  3:47                       ` Junio C Hamano
2013-03-27  6:19                         ` Sitaram Chamarty
2013-03-27 15:03                           ` Junio C Hamano
2013-03-27 15:47                             ` Sitaram Chamarty
2013-03-27 18:51                         ` Rich Fromm
2013-03-27 19:13                           ` Junio C Hamano
2013-03-28 13:52                           ` Jeff Mitchell
2013-03-28 13:48                         ` Jeff Mitchell
2013-03-26  1:06             ` Duy Nguyen [this message]
2013-03-24 19:16 ` Ilari Liusvaara
2013-03-25 20:01 ` Junio C Hamano
2013-03-25 20:05   ` Jeff King
2013-03-25 20:14 ` [PATCH 0/9] corrupt object potpourri Jeff King
2013-03-25 20:16   ` [PATCH 1/9] stream_blob_to_fd: detect errors reading from stream Jeff King
2013-03-26 21:27     ` Junio C Hamano
2013-03-25 20:17   ` [PATCH 2/9] check_sha1_signature: check return value from read_istream Jeff King
2013-03-25 20:18   ` [PATCH 3/9] read_istream_filtered: propagate read error from upstream Jeff King
2013-03-25 20:21   ` [PATCH 4/9] avoid infinite loop in read_istream_loose Jeff King
2013-03-25 20:21   ` [PATCH 5/9] add test for streaming corrupt blobs Jeff King
2013-03-25 21:10     ` Jonathan Nieder
2013-03-25 21:26       ` Jeff King
2013-03-27 20:27     ` Jeff King
2013-03-27 20:35       ` Junio C Hamano
2013-03-25 20:22   ` [PATCH 6/9] streaming_write_entry: propagate streaming errors Jeff King
2013-03-25 21:35     ` Eric Sunshine
2013-03-25 21:37       ` Jeff King
2013-03-25 21:39     ` Jonathan Nieder
2013-03-25 21:49       ` [PATCH v2 " Jeff King
2013-03-25 23:29         ` Jonathan Nieder
2013-03-26 21:38         ` Junio C Hamano
2013-03-25 20:22   ` [PATCH 7/9] add tests for cloning corrupted repositories Jeff King
2013-03-25 20:23   ` [PATCH 8/9] clone: die on errors from unpack_trees Jeff King
2013-03-26 21:40     ` Junio C Hamano
2013-03-26 22:22       ` [PATCH 10/9] clone: leave repo in place after checkout errors Jeff King
2013-03-26 22:32         ` Jonathan Nieder
2013-03-27  1:03           ` Jeff King
2013-03-25 20:26   ` [PATCH 9/9] clone: run check_everything_connected Jeff King
2013-03-26  0:53     ` Duy Nguyen
2013-03-26 22:24       ` Jeff King
2013-03-26 21:50     ` Junio C Hamano
2013-03-28  0:40     ` Duy Nguyen
2013-03-31  7:57       ` Duy Nguyen

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