Re: [PATCH 0/4] BitBake update in Isar - part 1

["'Moessbauer, Felix' via isar-users" <isar-users@googlegroups.com>]

On Wed, 2026-11-04 at 10:46 +0100, 'Clara Kowalsky' via isar-users
wrote:
> On 11/4/26 10:32, Anton Mikanovich wrote:
> > Hello Clara,
> > 
> > Bitbake was not updated for a long time for the reason.
> > Newer Bitbake releases are using "valid_signals" call which was 
> > introduced in
> > Python 3.8, but Isar still support building Buster with Python 3.7 only.
> > 
> > Did you fix Buster compatibility somehow?
> 
> Yes, I fixed the Buster issue where WIC ran inside Buster's imaging 
> chroot and imported BitBake. I have a commit that moves WIC to the build 
> host's Python and leaves only imaging utilities in the chroot. I tested 
> it extensively in the testsuite for Buster and newer targets + newest 
> BitBake.

Hi, that's great news. But if I read it correctly, this patch is not
part of the series you sent, right?

Please send the whole thing as one series, also ordered so that each
individual commit is buildable (passes the CI).

> 
> Regarding these first patches, I wanted to get some feedback on those 
> first before sending the rest of the patches to not have too many 
> changes at once.

Just send everything at once, please.

Felix

> 
> Clara
> > 
> > 04.11.2026 11:22, 'Clara Kowalsky' via isar-users wrote:
> > > These are first commits for preparing the update of BitBake in Isar.
> > > Currently, BitBake v2.8.0 is used, which is very outdated. The goal is
> > > to update to v2.20.0, which is the latest release.
> > > 
> > > Clara Kowalsky (4):
> > >    base: replace BitBake's outdated persist_data
> > >    isar-events: preserve cleanup for default multiconfig
> > >    isar-events: close /proc/mounts after cleanup
> > >    meta: migrate fetcher references to bb.fetch
> > > 
> > >   meta/classes-global/base.bbclass           |  39 +++++---
> > >   meta/classes-global/isar-events.bbclass    |  48 +++++----
> > >   meta/classes-global/sstate.bbclass         |  14 +--
> > >   meta/classes-recipe/bootstrap.bbclass      |   4 +-
> > >   meta/classes-recipe/dpkg-base.bbclass      |   6 +-
> > >   meta/classes-recipe/dpkg.bbclass           |   2 +-
> > >   meta/conf/bitbake.conf                     |   6 +-
> > >   meta/lib/aptsrc_fetcher.py                 |   8 +-
> > >   meta/lib/container_fetcher.py              |  12 +--
> > >   meta/lib/oe/patch.py                       |  10 +-
> > >   meta/recipes-devtools/base-apt/base-apt.bb |   2 +-
> > >   testsuite/unittests/test_build_uuid.py     | 107 +++++++++++++++++++++
> > >   12 files changed, 188 insertions(+), 70 deletions(-)
> > >   create mode 100644 testsuite/unittests/test_build_uuid.py
> > > 
> > 
> 
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