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Re: Bug#111025: debian-policy: typo in chapter 9: ldconfig and pre/post scripts

On Mon, Sep 10, 2001 at 05:16:27PM +0100, Julian Gilbey wrote:
> On Sat, Sep 08, 2001 at 06:55:56PM -0400, Steve M. Robbins wrote:

> > 	postrm
> > 	------
> > 
> > An installed shared lib has been removed from the system just before
> > "postrm remove" is run.  This is the proper time to call "ldconfig"
> > to notify the system of that fact.  Current policy has this as a
> > SHOULD requirement.  I still haven't found out why it is not MUST.
> I wonder whether it's because the installed library won't be found if
> the postinst ldconfig is not run, but an extra dangling symlink or
> similar following a remove is not such a problem.

Yes, it is less harmful to have a dangling symlink than to not have
the symlink when required.  My conjecture is that the former was only
a SHOULD to avoid creating RC bugs.  I was hoping that someone on
-policy would remember whether that is the case or not.

By the way, my investigation of 6507 packages (the i386 archive of a
few days ago) show that perhaps 106 (or 1.6%) postrm scripts lack
"ldconfig" when they should have it, so changing the requirement for
postrm isn't really creating a huge whack of new bugs.  For reference,
64 postinst scripts have the same problem (which *is* RC)


by Rocket to the Moon,
by Airplane to the Rocket,
by Taxi to the Airport,
by Frontdoor to the Taxi,
by throwing back the blanket and laying down the legs ...
- They Might Be Giants

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