Re: use of "invoke-rc.d $PACKAGE stop || exit $?" in prerm scripts
* Bernd Schubert <bernd.schubert@pci.uni-heidelberg.de> wrote:
>> inside their prerm maintainer scripts. If stopping $PACKAGE through
>> invoke-rc.d/init-script fails, removing the package fails as well.
>> Using:
>> invoke-rc.d $PACKAGE stop || true
>> /etc/init.d/$PACKAGE stop || true
> We are using chroot environments (e.g. with sid) where no daemon is running
> and invoke-rc.d will only do an "exit 0" in those chroots.
How do you achieve that? For example symlinking invoke-rc.d to
/bin/true is a workaround, but I'm searching for a general solution
to avoid that daemons are started when upgrading even though they
did not run before the upgrade (or don't start any service at all,
e.g. in chroots - as you mentioned).
> Using the method above, wouldn't there be any chance that a bad
> init script could kill daemons started outside the chroot?
The init script would be broken then.
Anyway, I don't see the difference between "stop || exit $?" and
"stop || true" in this case.
-mika-
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