breezy behavior wrt lp: [Was Re: git-ubuntu build]

[Steve Langasek]

On Wed, Jun 14, 2023 at 03:29:11PM +0200, Paride Legovini wrote:
> Steve Langasek wrote on 13/06/2023:

> > This is the following in my ~/.gitconfig:

> > [url "git+ssh://vorlon@git.launchpad.net/"]
> >         insteadof = lp:

> > This configuration is described here:

> >   https://help.launchpad.net/Code/Git

> > We should probably make sure it gets into some Ubuntu documentation and not
> > just Launchpad documentation.

> The drawback of this config is that with newer versions of Breezy it
> gets in the way of Bazaar operations. The relevant change may be [1], in
> Ubuntu since Lunar IIRC.

> What happens is that Breezy finds the lp: shorthand and resolves it to a
> Git URL, then fails if we were actually pointing it to a Bazaar repo.

> For example this fails on my Mantic system if I use lp: for Git:

>   bzr branch lp:~ubuntu-core-dev/meta-release/ubuntu

> I now use lpad: as a shorthand for Launchpad Git repos:

> [url "ssh://paride@git.launchpad.net/"]
> 	insteadOf = lpad:

I had encountered this behavior, but hadn't realized it was on account of my
own git config!

For my part, I dug through the code and discovered that lp+bzr:
(undocumented AFAIK) works to force the use of bzr.  Since I do a lot more
git checkouts that bzr from Launchpad these days (a trend that is only
likely to continue), this is what I'm sticking with, reserving the shorter
shortcut for git.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                   https://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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