[systemd-devel] Prioritize the /etc configuration over /usr/lib also with .include

[Andrei Borzenkov]

В Wed, 17 Sep 2014 18:46:21 +0200
Pavel Raiskup <praiskup at redhat.com> пишет:

> On Wednesday 17 of September 2014 20:44:38 Andrei Borzenkov wrote:
> > В Wed, 17 Sep 2014 18:29:35 +0200
> > Pavel Raiskup <praiskup at redhat.com> пишет:
> > 
> > > On Wednesday 17 of September 2014 20:06:50 Andrei Borzenkov wrote:
> > > > В Wed, 17 Sep 2014 13:40:11 +0200
> > > > Pavel Raiskup <praiskup at redhat.com> пишет:
> > > > 
> > > > > On Wednesday 17 of September 2014 11:50:08 Zbigniew Jędrzejewski-Szmek wrote:
> > > > > > On Wed, Sep 17, 2014 at 08:52:00AM +0200, Pavel Raiskup wrote:
> > > > > > > Thanks, I agree, and yet another rule on top of that -- the /usr/lib
> > > > > > > dropins _are ignored_ if /etc service overriding the one in /usr/lib
> > > > > > > exists [1] which seems like it is expected (and I appreciate that
> > > > > > > behavior).
> > > > > >
> > > > > > Sorry, but the .include mechanism is deprecated (and almost unused
> > > > > > nowadays)
> > > > > 
> > > > > Note that the thing that .include changed its semantics due to drop-in
> > > > > feature is not really proper deprecation.  Nor any documentation, warnings
> > > > > about its usage, etc.
> > > >
> > > > I reread your original post and I still fail to see what has
> > > > changed. IIRC ".include file" always meant "literally inline content of file
> > > > in place of .include line". This is exactly what still happens now. Do
> > > > you have pointers to old documentation that stated something different?
> > > 
> > > Say that A.service .includes B.service.  Because B.service was correctly
> > > inlined before, A.service was able to re-define results of .include.
> > 
> > *file* B.service is still correctly inlined.
> 
> You are unable to re-define the effect of .include in the file A.service
> anymore.
> 

Huh?

bor at opensuse:~> cat /run/systemd/system/A.service 
.include /run/systemd/system/B.service

[Unit]
Description=A service

bor at opensuse:~> cat /run/systemd/system/B.service 
[Unit]
Description=B service

[Service]
ExecStart=/bin/true
bor at opensuse:~> systemctl show --no-pager -p Description A.service
Description=A service
bor at opensuse:~> 


> Pavel
>