Re: URI Scheme for git object ids?

From: Junio C Hamano <gitster@pobox.com>
Date: Mar 1, 2022, 17:40 UTC
Message-ID: <xmqqy21tr2pg.fsf@gitster.g>
In-Reply-To: <CAFVSqg1arVNwWMANwR6CDP++5hXAEW1a_ajekNe+TXNpSSZFPA@mail.gmail.com>

Ed Warnicke <hagbard@gmail.com> writes:

Show 17 quoted lines

> Has there been any discussion of how one might represent a git object
> id as a urn or uri?
>
> It's clear that 'git:' is registered with IANA as a URI prefix for
> locations of git repos.
>
> I was wondering if there was any existing use of something like:
>
> 'gitoid:${type}:${hash type}:${hash of git object}' ?
>
> So for example:
>
> gitoid:blob:sha1:261eeb9e9f8b2b4b0d119366dda99c6fd7d35c64
>
> which could be used to communicate generic git object ids.
>
> Ed

I do not see why the object type should be there. Once you locate the object whose object name (in sha1) is 261eeb..., the object should be able to identify itself as a blob (or whatever type it is).

Aren't there already folks who are exchanging git objects over torrent or something? What do they use to identify what each node offers and what participants want?