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Re: preupgrade F10



On Friday, March 20 2009, Gerry Reno said:
> Jesse Keating wrote:
>> On Fri, 2009-03-20 at 12:03 -0400, Gerry Reno wrote:
>>> The need to make sure that you update rpm or yum before you do 'yum  
>>> update' has happened before and I'm sure this isn't the last time 
>>> that it will happen either.  It just makes sense for a packager to 
>>> see if there is an update to itself first.  Update itself and THEN do 
>>> the updates for everything else.
>>
>> That's your opinion.  The opinion of the people writing the update tools
>> and preparing the repos and living through such "needs" and really
>> understanding what is actually going on don't share that opinion.
>
> What is the matter with yum doing something like this?
>
> if updated yum or updated rpm is available:
>    if updated yum is available:
>        update yum
>        yum_is_new = true
>    if updated rpm is available:
>        update rpm
>    if yum_is_new:
>        sys.execv("/usr/bin/yum", sys.argv)  # replace current process  
> with updated yum

New yum may depend on new python, new glibc, etc and thus 'update yum'
may essentially be 'update everything'

Jeremy


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