[Rpm-maint] upgrade process

[Tom Brown]

>
> Not really. The order is:
>
>     prein new
>     install files from new
>     postin new
>     preun old
>     delete files from old that are not shared
>     postun old
>
>   

so i am loosing the symlink as it gets removed by the postun in the old 
package - i guess i need to work on the install/upgrade/erase syntax in 
there but i am struggling to fins an example i fully understand!!

thanks