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bug#33100: [libssh] fatal: dumb http transport does not support shallow

From: Leo Famulari
Subject: bug#33100: [libssh] fatal: dumb http transport does not support shallow capabilities
Date: Mon, 22 Oct 2018 13:07:34 -0400
User-agent: Mutt/1.10.1 (2018-07-13)

On Mon, Oct 22, 2018 at 11:55:26AM +0200, Ludovic Courtès wrote:
> Maxim Cournoyer <address@hidden> skribis:
> > It did end up working fine, although it took a large amout of time for
> > doing what seems to be a checkout (4 min 46 s). I did some experiments
> > and this is really the time it took to do a full clone of the libssh
> > project.


> > It's a bit of a shame, given that the shallow clone takes about 2
> > seconds (!):

Yeah, it's incredibly slow. The repo is not even 10 MB. At first, I too
thought the HTTPS clone had stalled.

Protocol        duration
https://        217 sec
git://          10 sec
git:// shallow  1.5 sec

And of course, the shallow clone is 3.6 MB instead of 10 MB.

> Switching to the git:// transport would seem like a reasonable
> workaround—we’d lose encryption and authentication, but the latter is
> covered by the content hash in the ‘origin’ anyway.
> WDYT, Leo?

Overall, I think the slowness doesn't matter too much, since we offer
substitutes for the patched source code. However, here is a patch.
Please feel free to apply it!

I'll ask the libssh team to support "smart" HTTP Git.

Attachment: 0001-gnu-libssh-Fetch-the-source-code-more-efficiently.patch
Description: Text document

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Description: PGP signature

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