Yum oddness

Stephen Gallagher sgallagh at redhat.com
Wed Jul 21 14:43:59 UTC 2010

Hash: SHA1

On 07/21/2010 10:31 AM, Patrick O'Callaghan wrote:
> I did a "yum upgrade" and was offered:
> qbittorrent                             x86_64                 1:2.2.8-2.fc13
> even though I currently have:
> $ rpm -q qbittorrent
> qbittorrent-2.2.9-1.fc13.x86_64
> (Note the version numbers)
> I said 'N' because it seems at least counter-intuitive. Is there any way
> to check that the proposed upgrade really supersedes the installed
> version, or should I complain to the qbt maintainer?
> poc

You see the 1: before the version number in the version you were
offered? That means that an epoch bump occurred (this is used primarily
to deal with when a package has changed version number schemes and the
new version numbers are lower than the old ones)

It is also done in very rare occasions to force a downgrade from a
known-bad version of a piece of software.

- From the update description:
        * Tue Jul 20 2010 Leigh Scott <leigh123linux at googlemail.com> -
2.2.8-2 - add epoch and revert version to 2.2.8 as the newer versions
violate the bundled libs guidelines

The newer version 2.2.9 was in violation of Fedora policies
(specifically, bundled libs can have unfixed security vulnerabilities),
so the epoch was bumped to force a downgrade.

- -- 
Stephen Gallagher
RHCE 804006346421761

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