Re: [WIP 7/7] upload-pack: send part of packfile response as uri

From: Christian Couder <christian.couder@gmail.com>
Date: Feb 25, 2019, 21:04 UTC
Message-ID: <CAP8UFD2RBU+f4=pB4CZHPHVO3DKXdGXVen=x3a8GvQHhGBG3aA@mail.gmail.com>
In-Reply-To: <aae0f669627d7be45a967c6df464bf1ecdabce6d.1550963965.git.jonathantanmy@google.com>

On Sun, Feb 24, 2019 at 12:39 AM Jonathan Tan <jonathantanmy@google.com> wrote:

Show 8 quoted lines

>
> Teach upload-pack to send part of its packfile response as URIs.
>
> An administrator may configure a repository with one or more
> "uploadpack.blobpackfileuri" lines, each line containing an OID and a
> URI. A client may configure fetch.uriprotocols to be a comma-separated
> list of protocols that it is willing to use to fetch additional
> packfiles - this list will be sent to the server.

So only packfiles will be fetched by the client using those protocols.

> Whenever an object
> with one of those OIDs would appear in the packfile transmitted by
> upload-pack, the server may exclude that object, and instead send the
> URI.

Ok, so each URI sent in the packfile corresponds to exactly one object. And when the client fetches one such URI it gets a packfile that contains only the corresponding object. Or is there something I misunderstood?

> The client will then download the packs referred to by those URIs
> before performing the connectivity check.