Re: [bitbake-devel] [PATCH 1/1] bitbake: add BB_GIT_SHALLOW_SKIP_FAST to disable fast shallow mode

On Mon, 2026-05-11 at 09:14 -0700, Marcio Henriques via lists.openembedded.org wrote:
> On Tue, May 5, 2026 at 10:41 AM, Richard Purdie wrote:
> 
> 
> > FWIW the git fetcher is specifically coded to avoid removing
> > references. It shouldn't remove old revisions or obsolete heads (e.g.
> > for repos that changed master -> main). If it is doing that, that is
> > something we should fix.
> This is also about dealing with force pushes that may remove something that
> was previously merged and is no longer available in DL_DIR/git2 or upstream.

The fetcher should not be removing those things. If it is, we should
fix that.

> > I can see why you might decide to do that but it will be a pretty
> > inefficient use of space with an archive for every revision and means
> > turning everything into shallow clones, which has its own challenges.
> 
> It can actually also be more efficient as the git fetcher fetches all branches and this may
> require more space than just archiving the source code for the revisions used in the build.

Yes and no, in that you have a copy for each revision.

Cheers,

Richard