Bug#160743: efficient local package cache backup for autoclean/clean

[Osamu Aoki <osamu@debian.org>]

On Mon, Apr 19, 2004 at 05:23:53PM -0700, Matt Zimmerman wrote:
> On Tue, Apr 20, 2004 at 01:45:13AM +0200, Osamu Aoki wrote:
> 
> > We all know 
> > 
> >  # apt-get autoclean
> > clean local cached package files. (or apt-get clean)
> > 
> > But simply doing this is too aggressive to my taste.
> > 
> > (We lose older but recent packages which may be the ones needed for
> > recovering from recent broken upgrade process.)
...
> I use something like this in cron.daily:
> 
> find /space/cache/apt/archives -type f -atime +5 \
>         | xargs --no-run-if-empty rm

This is more like gentle version of "apt-get clean".

If last update of the package was older than 5 days, and new package
break system, I still need to download old version from somewhere.

My script waste more disk space but gurantees local access to older
packages.  Size of disk space is comparable to autoclean.