[ATrpms-users] Packaging standars (Was: lzo on RHEL3)

[Axel Thimm]

On Tue, Jun 19, 2007 at 11:19:08AM +0200, Thomas Moschny wrote:
> On Tuesday 19 June 2007, Axel Thimm wrote:
> > Can you please post the output of these tools? yum and apt never
> > remove a package if it isn't obsoleted (which is not the case here)
> > and smart is smart enough to install both liblzo1 and liblzo2. If not
> > then there is a bug somehwere, not a general design issue.
> 
> One of the design issues is that these lib* packages will stay there and 
> linger around in my system even when they are not needed anymore, until I 
> remove them manually or with the help of yum's package-cleanup or whatever.
> 
> The reason is that the existing infrastructure (librpm and it's frontends 
> smart/yum/apt) doesn't differentiate between packages that were installed 
> because user explicitly wished so, and those packages that were installed as 
> a dependency. Doing so would require the frontends to maintain their own 
> persistent knowledge about installed packages, as the rpm database doesn't 
> contain that information.

In fact it does, but I haven't delivered a robust implemenation yet.

A poor man's implementation is (written down untested)

for package in `rpm -q --whatprovides shared-library-package`; do rpm -e $package 2>/dev/null; done

Something like this can be placed into cron and remove the packages
automatically.
-- 
Axel.Thimm at ATrpms.net
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