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Re: Improve the way rpm decides what is newer





On Nov 21, 2009, at 1:38, drago01 <drago01 gmail com> wrote:

On Sat, Nov 21, 2009 at 3:17 AM, Adam Williamson <awilliam redhat com> wrote:
On Sat, 2009-11-21 at 00:58 +0100, Christian Iseli wrote:
Hi folks,

I also got bitten by the "FC11 packages 'newer' than FC12" hickup, and
while going through the yum remove/add maneuver I pondered:
- is there ever a time when, while upgrading from Fedora n to Fedora
  n+1 I would expect a package .fcn to be kept instead of getting
  the .fcn+1 instance ?
My answer was: no

So I wondered if there would be a simple way to make this happen
regardless of whether a maintainer blunders and gets things slightly
out of sync between the 2 or 3 current Fedora releases.

To me, this is the wrong fix. The problem here isn't RPM's version
comparison logic, which is perfectly sound. Instead of nerfing up RPM
comparisons, which are already full of enough hidden mines, we should
just improve Fedora's package versioning conventions so this doesn't
happen, or at least happens less often.

We should just use release epochs, people might hate them for whatever
reasons, but they would easily prevent such issues from happing.


Which sounds great until 3.0.1 goes out on f11 while 2.5 is out on f12. Really don't want to see that "upgrade" happen.

--
Jes


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