Re: yum --allow-downgrade syntax

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On Wed, 2008-04-02 at 14:19 -0500, Troy Dawson wrote:
> seth vidal wrote:
> > On Wed, 2008-04-02 at 11:15 -0500, Troy Dawson wrote:
> >> Hi,
> >> I've googled, I've read the help, I've read the wiki, I've even read the source
> >> code, and I just cannot figure out the syntax to the allow-downgrade plugin.
> >> Actually, through all my googling, I haven't actually read of anyone actually
> >> using it successfully.  Which rather blows my mind.
> >>
> >> Anyway, what is the correct syntax?
> >>
> ...
> > 
> > yum --allow-downgrade install somepkg-somever
> > 
> > that's the only odd part: you're INSTALLING a downgrade.
> > 
> > -sv
> 
> Still no luck.
> I'm sending the -e 10 -d 10 because it is rather short.
> 
> # yum list cups\*
> Loading "kernel-module" plugin
> Loading "allowdowngrade" plugin
> Setting up repositories
> Reading repository metadata in from local files
> Installed Packages
> cups.i386                                1:1.2.4-11.14.el5.3    installed
> cups-libs.i386                           1:1.2.4-11.14.el5.3    installed
> Available Packages
> cups.i386                                1:1.2.4-11.14.el5_1.6  fermi-security
> cups-devel.i386                          1:1.2.4-11.14.el5_1.6  fermi-security
> cups-libs.i386                           1:1.2.4-11.14.el5_1.6  fermi-security
> cups-lpd.i386                            1:1.2.4-11.14.el5_1.6  fermi-security
> 
> ## yum -e 10 -d 10 --allow-downgrade install cups-1.2.4-11.14.el5_1.6 
> cups-libs-1.2.4-11.14.el5_1.6
> Loading "kernel-module" plugin
> Loading "allowdowngrade" plugin
> Running "config" handler for "allowdowngrade" plugin
> Yum Version: 3.0.6
> COMMAND: yum -e 10 -d 10
> Installroot: /
> Ext Commands:
> 
>     cups-1.2.4-11.14.el5_1.6
>     cups-libs-1.2.4-11.14.el5_1.6
> Setting up Install Process
> Setting up repositories
> Reading repository metadata in from local files
> Setting up Package Sacks
> Reading Local RPMDB
> Parsing package install arguments
> Nothing to do
> #
> 
> I have tried it with the epoch on there (1:1.2.4-11.14.el5_1.6) and that is a 
> bit more interesting, because it does some checks only to declare that there is 
> no such package.
> 
> As you can see, this is yum version 3.0.6.  I've also tried it on 3.2.8.
> Am I still getting the syntax wrong?

just for fun - grab a copy of 3.2.13 and test it with there. That's the
last version I verified it on.

-sv


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