Re: apt-rpm and vesion precedence

Panu Matilainen wrote:
> On Thu, 11 May 2006, Rex Dieter wrote:
> 
>> Panu Matilainen wrote:
>>> On Thu, 11 May 2006, Yannick Patois wrote:
>>
>>>> But when I try to upgrade:
>>>> # apt-get upgrade
>>>> Reading Package Lists... Done
>>>> Building Dependency Tree... Done
>>>> The following packages will be upgraded
>>>>   apt-sourceslist (303-8.ires1 => 30X-10.cern)
>>>>
>>>> Why is the 30X-10.cern selected first?
>>
>>> Version comparisons involving strings are depend to some extent on 
>>> the used rpm versions, but yes I think 1:30X-10.ires should be 
>>> considered as newer than 1:30X-10.cern by rpm 4.2.x
>>
>> I think rpm treats stings (kinda) like #'s.  Since ires1 is *longer* 
>> than .cern, ires1 is treated as being larger, for the same reason as 
>> 10000 is larger/newer than 9000, even though the first "digit" is 
>> smaller.
> 
> Yes, ires1 would be larger, but the question as I understood it was why 
> 1:30X-cern is selected over 1:30X-ires (not ires1). AFAICT getting that 
> behavior requires pinning to be active.

oops, my bad.  Taking a closer look:
apt-sourceslist (303-8.ires1 => 30X-10.cern)
                  ^^^            ^^^
Note the 303 -> 30X upgrade.  Though this too is confusing, since I 
thought #'s were treated as higher than alpha's.  Or is the 303 bogus?

-- Rex