[systemd-devel] [RFC][PATCH] conf-parser: distinguish between multiple sections with the same name

[Zbigniew Jędrzejewski-Szmek]

On Thu, Nov 21, 2013 at 02:27:28AM +0100, Tom Gundersen wrote:
> On Wed, Nov 20, 2013 at 10:37 PM, Lennart Poettering
> <lennart at poettering.net> wrote:
> > On Wed, 20.11.13 14:38, Tom Gundersen (teg at jklm.no) wrote:
> >
> >> Pass on the line on which a section was decleared to the parsers, so they
> >> can distinguish between multiple sections (if they chose to). Currently
> >> no parsers take advantage of this, but a follow-up patch will do that
> >> to distinguish
> >>
> >> [Address]
> >> Address=192.168.0.1/24
> >> Label=one
> >>
> >> [Address]
> >> Address=192.168.0.2/24
> >> Label=two
> >>
> >> from
> >>
> >> [Address]
> >> Address=192.168.0.1/24
> >> Label=one
> >> Address=192.168.0.2/24
> >> Label=two
> >
> > I do like this solution better, but I can see Thomas' point. And the
> > issue Thomas points out manifests itself in handling of .d/
> > directories... If we want to support .d/ directories for these
> > configuration files (do we?) then how can we extend the settings of a
> > specific existing [Address] section?
> 
> My take was that we do not want to support .d/ directories,
udev supports overrides, tmpfiles support them too, so do systemd
units, and sysctl settings. I'm pretty sure we can assume that
overrides for network files will happen sooner or later. Also, it's
not just /etc/...  overriddes, but also /run/... overrides, for
until-reboot settings.

Zbyszek