Re: [PATCH v3 0/2] Enable systemd units based on systemd presets

["'Heinisch, Alexander' via isar-users" <isar-users@googlegroups.com>]

On Tue, 2025-10-21 at 16:07 +0000, Hombourger, Cedric (FT FDS CES LX)
wrote:
> On Tue, 2025-10-21 at 11:21 +0000, 'Heinisch, Alexander' via isar-
> users
> wrote:
> > Any updates on this patchset? Seems it got lost.
> > 
> > BR Alexander
> > 
> > On Wed, 2025-09-17 at 12:35 +0200, alexander.heinisch@siemens.com
> > wrote:
> > > From: Alexander Heinisch <alexander.heinisch@siemens.com>
> > > 
> > > By default population of the presets is automatically done by
> > > systemd
> > > on first-boot.
> > > 
> > > There were several issues with that:
> > > 
> > > 1. The rootfs we get as a build artifact does not reflect the
> > > actual
> > > system running in the field.
> > > 
> > > 2. For setups without writeable /etc this fails. With that
> > > addition
> > > it happens already at build time.
> > > 
> > > Note: Additional services are enabled only. Services already
> > > enabled
> > > during the package installation won't be changed.
> > > 
> > > Opt-out: `ROOTFS_FEATURES:remove = "populate-systemd-preset"`
> 
> Since we have ROOTFS_FEATURES in LIST_VARIABLES (see bitbake.conf), a
> more elegant way to opt is IMO:
> 
> ROOTFS_FEATURES:append = " ~populate-systemd-preset" # (or
> alternatively " -populate-systemd-preset")

Thx, for pointing that out, but I decided, to keep opting out in v4 as
is. Imo ":remove" is easier to read than "-" inbetween and also more
intuitive than "~".

BR Alexander

> 
> > > 
> > > Changes since v2:
> > >   - Enable postprocessing to populate systemd presets via
> > > ROOTFS_FEATURES
> > > 
> > > Alexander Heinisch (2):
> > >   Minor cleanup: Refactor ROOTFS_FEATURES assignment for image to
> > > make
> > >     upcoming changes more easily trackable.
> > >   classes/image-postproc: Enable systemd units based on systemd
> > > presets
> > > 
> > >  RECIPE-API-CHANGELOG.md     | 18 ++++++++++++++++++
> > >  meta/classes/image.bbclass  | 10 +++++++++-
> > >  meta/classes/rootfs.bbclass |  6 ++++++
> > >  3 files changed, 33 insertions(+), 1 deletion(-)
> > > 
> > > --
> > > 2.39.5
> > > 
> > 
> > -- 
> > Alexander Heinisch
> > Siemens AG
> > www.siemens.com
> > 
> 

-- 
Alexander Heinisch
Siemens AG
www.siemens.com

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