Bug#834524: init-system-helpers: does not own /etc/rc?.d

[anarcat]

On Wed, Aug 17, 2016 at 12:08:05AM +0200, Michael Biebl wrote:
> Am 16.08.2016 um 19:12 schrieb Ferenc Wágner:
> > Package: init-system-helpers
> > Version: 1.25
> > Severity: normal
> > 
> > Hi,
> > 
> > Recently both my daemon packages started to exhibit this piuparts error:
> > 
> > ERROR: FAIL: Package purging left files on system:
> >   /etc/rc2.d/	 not owned
> >   /etc/rc3.d/	 not owned
> >   /etc/rc4.d/	 not owned
> >   /etc/rc5.d/	 not owned
> > 
> > I think this is the result of sysv-rc losing its Essential flag, which means
> > it isn't present in minimal chroots (like those used by piuparts) anymore.
> > On the other hand, init-system-helpers imported update-rc.d in version 1.25,
> > and I think /etc/rc?.d is created by update-rc.d (but never removed).  All
> > this results in piuparts failures in recently tested daemon packages.
> > 
> > If the above analysis is correct, please fix this.
> 
> Fix what exactly?

I am not sure what the fix is either, but it breaks Piuparts (#834766)
for a *lot* of packages:

https://piuparts.debian.org/sid/unowned_files_after_purge_error.html

arguably, not all those matches are due to this specific bug, but at
this point, any package that ships a daemon with dh_installinit (and
that's a lot of packages!) are now yielding piuparts errors all over the
place (e.g. postfix, openssh-server, apache2 all now fail piuparts).

This bug is marked as "pending", with a patch. Would that fix piuparts?
If so, I would highly recommend uploading the new version ASAP to keep
people like me from looking all over the place to figure out what broke
in their packages.

If not, it would be great to have some way forward. Punting the issue in
Piuparts' backyard may work, but I think it would be nice to get rid of
those old directories on systems that do not have init.d files
anymore...

Thanks!

A.
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