listing updated packages only

[Gary L. Greene Jr.]

On Sunday 11 June 2006 04:02 pm, Vincent Danen wrote:
> * Panu Matilainen <pmatilai at laiskiainen.org> [2006-06-11 10:16:53 -0700]:
> > > I was looking for an option in apt-cache or apt-get that would allow me
> > > to list packages that apt wanted to update.  For instance, as part of
> > > the daily security routine in Annvix, I update the urpmi medium(s) and
> > > then report, per-media, what packages are available for upgrade in a
> > > cronjob so the admin gets an email saying they're behind on
> > > such-and-such packages.
> > >
> > > I can't seem to find something like this for apt, however.  The closest
> > > thing I see is "apt-get upgrade -s" but it's a little messy.  I could
> > > clean it up myself by parsing it for the email, but was wondering if
> > > there was another option available.
> >
> > The "simulate" mode (-s) is indeed noisy and occasionally gives nasty
> > looking false alerts about conflicts in packages etc. Maybe someday
> > somebody will get around to fix it...
>
> Noisy is ok... false alerts isn't so nice.
>
> > There's --check-only which .. hmm, doesn't seem to be documented
> > anywhere, sigh. Anyway that's probably the closest thing to what you
> > want, at the moment at least.
>
> =)  Well, --check-only looks like it'll do the job nicely with a little
> formatting.
>
> The lua idea is a nice one... might look into that.  Never done anything
> with lua before so it might be interesting to try.
>
> Thanks.

Vincent, if you do that, can you please send me the script? I could use that 
for PhoeNUX's apt-rpm so I can get rid of a LOT of excess code in Pi (package 
installer) which is an add / remove programs GUI app I'm writing in perl-qt.

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