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From: Jonathan Tan <>
To: Christian Couder <>
Cc: Jeff Hostetler <>,
	Junio C Hamano <>, git <>
Subject: Re: What's cooking in git.git (Jan 2018, #02; Tue, 9)
Date: Thu, 18 Jan 2018 14:31:09 -0800
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, 18 Jan 2018 09:56:50 +0100
Christian Couder <> wrote:

> I am still not very happy with fetch_object() not returning anything.
> I wonder what happens when that function is used to fetch from a repo
> that cannot provide the requested object.

My idea was to save a verification step - the caller of fetch_object()
needs to reattempt the object load anyway (which includes a verification
that the object exists), so I didn't see the need to have fetch_object()
do it too.

> Also I think the "extensions.partialclone = <remote>" config option is
> not very future proof. If people start using partial clone, it is
> likely that at some point they will need their repo to talk to more
> than one remote that is partial clone enabled and I don't see how such
> a config option can scale in this case.

In the case that they want to talk to more than one
partial-clone-enabled repo, I think that there still needs to be one
"default" remote from which missing objects are fetched. I can think of
a few reasons for that - for example, (a) we need to support commands
that give a nonexistent-in-repo SHA-1 directly, and (b) existing Git
code relies on the ability to fetch an object given only its SHA-1. (a)
can be overcome by forbidding that (?) and (b) can be overcome by an
overhaul of the object-fetching and object-using code, but I don't think
both (a) and (b) will occur anytime soon.

      reply index

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-09 23:33 Junio C Hamano
2018-01-10  7:56 ` Ævar Arnfjörð Bjarmason
2018-01-10 20:02   ` Junio C Hamano
2018-01-10 16:25 ` Jeff Hostetler
2018-01-10 19:57   ` Junio C Hamano
2018-01-10 22:03     ` Jeff Hostetler
2018-01-18  8:56       ` Christian Couder
2018-01-18 22:31         ` Jonathan Tan [this message]

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