[Yum] yum --allow-downgrade syntax
seth vidal
skvidal at fedoraproject.org
Wed Apr 2 17:50:44 UTC 2008
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?
>
> For those that are curious ... the main code is shorter than this e-mail
> message, in case it helps.
>
> def postresolve_hook(conduit):
> opts, args = conduit.getCmdLine()
> if opts.allow_downgrade:
> tsInfo = conduit.getTsInfo()
> tsInfo.probFilterFlags.append(RPMPROB_FILTER_OLDPACKAGE)
>
> I would file a bugzilla ... but for all I know, it's working correctly.
yum --allow-downgrade install somepkg-somever
that's the only odd part: you're INSTALLING a downgrade.
-sv
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