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From: Jeff King <>
To: Drew DeVault <>
Cc: Jonathan Nieder <>,
	"brian m. carlson" <>,
Subject: Re: Regarding the depreciation of ssh+git/git+ssh protocols
Date: Tue, 16 Mar 2021 17:23:36 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <C9YDEO8Z8J96.262IOS9IW6F39@taiga>

On Mon, Mar 15, 2021 at 09:05:34PM -0400, Drew DeVault wrote:

> On Mon Mar 15, 2021 at 9:02 PM EDT, Jonathan Nieder wrote:
> > I'm not sure it's a disconnect; instead, it just looks like we
> > disagree. That said, with more details about the use case it might be
> > possible to sway me in another direction.
> >
> > To maintain the URI analogy: the URI does not tell me the content-type
> > of what I can access from there. Until I know that content-type, I
> > may not know what the best tool is to access it.
> git isn't a content type, it's a protocol. git over HTTP or git over SSH
> is a protocol in its own right, distinct from these base protocols, in
> the same sense that SSH lives on top of TCP which lives on top of IP
> which is transmitted to your computer over ethernet or 802.11. It's
> turtles all the way down.

I think this is the key observation. A browser can access an HTTP URL,
and then based on the content type, decide what to do with the result.
But one cannot do so with a git-over-http URL. Git will not even
directly access the resource specified in the URL! It will construct a
related one (with appending "info/refs" and a "service" field) and
request that.

So you definitely need to "somehow" know that a URL is meant to be used
with Git. And that makes me somewhat sympathetic to your request.

The downsides I see are:

  - one of the advantages of straight http:// URLs is that they can
    accessed by multiple tools. Most "forge" tools let you use the same
    URL both for getting a human-readable page in a browser, as well as
    accessing the repository with the Git CLI. I'd hate to see https+git
    URLs become common, because they add friction there (though simply
    supporting them at all gives people the choice of whether to use

  - I'm also sympathetic to brian's point that there's a wider
    ecosystem. It's not just "git" that needs to learn them. It's jgit,
    and libgit2, and many tools that work with git remotes.


  reply	other threads:[~2021-03-16 21:24 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-15 16:27 Drew DeVault
2021-03-15 17:56 ` Jonathan Nieder
2021-03-15 18:14   ` Drew DeVault
2021-03-15 22:01     ` brian m. carlson
2021-03-16  0:52       ` Drew DeVault
2021-03-16  1:02         ` Jonathan Nieder
2021-03-16  1:05           ` Drew DeVault
2021-03-16 21:23             ` Jeff King [this message]
2021-03-17 14:49               ` Drew DeVault
2021-03-18 21:30               ` Junio C Hamano
2021-03-18 21:53                 ` Drew DeVault
2021-03-16  4:38           ` Eli Schwartz
2021-03-16 11:54             ` brian m. carlson
2021-03-16 14:21               ` Drew DeVault
2021-03-16 21:28                 ` Jeff King
2021-03-17 14:50                   ` Drew DeVault
2021-03-17  0:45                 ` Jakub Narębski
2021-03-17 14:53                   ` Drew DeVault
2021-03-17 22:06                 ` brian m. carlson
2021-03-18 12:53                   ` Drew DeVault
2021-03-16 18:03               ` Eli Schwartz
2021-03-17 22:15                 ` Jonathan Nieder
2021-03-31  4:23                   ` Eli Schwartz
2021-04-07 13:46                   ` Mark Lodato
2021-04-07 19:46                     ` Junio C Hamano
2021-04-13  8:52                       ` Kerry, Richard
2021-03-16  0:54       ` Drew DeVault

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