Re: Running dpkg -r foo from a postinst script?
On Thu, Sep 20, 2001 at 02:17:43PM -0500, Adam Heath wrote:
> On Wed, 19 Sep 2001, Colin Watson wrote:
>
> > On Wed, Sep 19, 2001 at 06:11:53PM +0200, Ola Lundqvist wrote:
> > > I have a simple question. Is it possible to run dpkg -r foo
> > > from within a postinst-script when using dselect or apt?
> > >
> > > What is the result?
> >
> > You can't do it directly, as dpkg has locked the status file at that
> > point. The sgmltools-lite (?) maintainer tried hacking around that by
> > waiting for the lock to be released once, and it immediately got a
> > justifiable grave bug; the race conditions are ugly. Don't do it.
>
> So, then we dpkg developers should add this ability.
>
> Some of the code already exists to do this, it'll be a variation of
> --command-pipe.
That sounds cool. Will they be runned on the end of the dpkg run
or on next run? I prefer on the end of this run (or optionally the
next one).
Regards,
// Ola
>
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