Re: Automatically purging non-official packages

[Camaleón <noelamac@gmail.com>]

On Sun, 11 Mar 2012 17:19:26 -0400, Tom H wrote:

> On Sun, Mar 11, 2012 at 2:47 PM, Camaleón <noelamac@gmail.com> wrote:
>> On Sun, 11 Mar 2012 12:31:11 -0400, Nikolaus Rath wrote:
>>>
>>> Ubuntu has a "ppa-purge" script that not just removes Launchpad PPAs
>>> from sources.list, but also automatically reverts any packages
>>> installed from that PPA to the versions available in the official
>>> archives.
>>
>> The only idea scares me :-}
>>
>>> Has anyone ever written something similar for Debian? I'm thinking of
>>> a script that deletes all packages that are not retrievable from any
>>> of the registered sources, and downgrades (or upgrades) all packages
>>> to the most recent version available.
>>
>> I'm not aware of any, but I would prefer to do that job manually and
>> carefully picking the available sources, packages and versions as
>> possible candidates for installing/upgrading/downgrading.
>>
>> Anyway, porting the script to Debian shouldn't be difficult but I'm a
>> bit reluctant of that sort of automatisms.
> 
> In my limited experience of "purge-ppa", it's worked very well.

My guess is that is highly dependant on user's configuration: the lesser 
repositories available + basic pinning rules = the higher chances for 
getting successful results.

Greetings,

-- 
Camaleón