Re: [PATCH 0/6] Model isar-exclude-docs as rootfs feature

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

On Fri, 2026-10-02 at 10:12 +0200, Zhihang Wei wrote:
> On 10/2/26 10:06, MOESSBAUER, Felix wrote:
> > On Thu, 2026-09-24 at 09:38 +0200, Felix Moessbauer wrote:
> > > The isar-exclude-docs package provides mechanisms to exclude
> > > documentation from the image. Technically this is implemented
> > > by a dpkg filter, as well as a postinst script to strip the
> > > documentation installed prior to installing the isar-exclude-docs
> > > package.
> > Hi,
> > 
> > is there anything missing from my side to get this merged?
> > I would like to send out the remainder of the build-time improvement
> > series by today (which depends on this). Then we have all the code
> > available my talk "Isar build time reduction" on the isar community
> > event is covering.
> > 
> > Best regards,
> > Felix
> 
> Hi,
> 
> We are not lucky with CI recently, source connection issues occur very often
> and it's slowing down the process. This patch is on CI but I can only get
> back to you on Monday.

Thanks for reporting back. I also noticed, that especially the raspian
sources are notoriously hard to fetch (sometimes you get redirected to
a dead mirror).

When running the CI locally, I have all downloads cached (and using
sstate cache), so things are much more stable.

Let's talk in Prag about how we can improve this.

> 
> You can send the remainder part, I'll test it on top of this.

Ok, will do so. Thanks!

Cheers!
Felix

> 
> Zhihang
> 
> > > This has the major drawback of first installing the documentation
> > > (as isar-exclude-docs is installed along with ROOTFS_PACKAGES) and
> > > then removing it again - which is even an emulated task and by that
> > > super slow on a larger rootfs. Further, it does not handle cases
> > > where docs are generated in a postinst script.
> > > 
> > > We now change this to configure apt prior to installing packages.
> > > This results in less being installed into the rootfs. After that,
> > > a final cleanup path from outside the chroot strip the remaining bits.
> > > 
> > > Best regards,
> > > Felix Moessbauer
> > > 
> > > Felix Moessbauer (6):
> > >    rootfs: add feature to clean isar generated dpkg config
> > >    image: add IMAGE_ROOTFS_FEATURES to set rootfs features of the image
> > >    isar-exclude-docs: model via rootfs feature
> > >    rootfs: also purge package changelogs on exclude-docs
> > >    kas: port isar-exclude-docs to rootfs feature
> > >    testsuite: replace isar-exclude-docs by rootfs feature
> > > 
> > >   RECIPE-API-CHANGELOG.md                       | 14 ++++++
> > >   kas/opt/Kconfig                               |  9 ++++
> > >   .../exclude-docs.yaml}                        |  4 +-
> > >   kas/package/Kconfig                           | 11 -----
> > >   meta-isar/conf/local.conf.sample              |  6 ++-
> > >   .../recipes-core/images/isar-image-ci.bb      |  2 +
> > >   .../recipes-core/images/isar-rootfs-ci.bb     |  1 +
> > >   meta/classes-recipe/image.bbclass             |  3 ++
> > >   meta/classes-recipe/rootfs.bbclass            | 45 +++++++++++++++++++
> > >   .../isar-exclude-docs_0.2.3.bb                |  4 ++
> > >   scripts/generate_yaml.sh                      |  1 -
> > >   testsuite/cibuilder.py                        |  1 -
> > >   12 files changed, 85 insertions(+), 16 deletions(-)
> > >   rename kas/{package/pkg_isar-exclude-docs.yaml => opt/exclude-docs.yaml} (58%)
> > > 
> > > -- 
> > > 2.55.0

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