dnf versus yum

Kevin Kofler kevin.kofler at chello.at
Fri Jan 10 00:04:59 UTC 2014

Bill Nottingham wrote:

> Matthew Miller (mattdm at fedoraproject.org) said:
>> I'm a little lost in the thread, but do you mean that yum's protected
>> packages functionality is undocumented? If that is what you mean, check
>> the man page. It says:
>>   protected_packages  This  is  a list of packages that yum should
>>   never completely remove. They are  protected  via  Obsoletes  as
>>   well as user/plugin removals.
>>   The  default  is:  yum  glob:/etc/yum/protected.d/*.conf  So any
>>   packages which should be protected can do so by including a file
>>   in /etc/yum/protected.d with their package name in it.
>>   Also  if  this  configuration  is set to anything, then yum will
>>   protect the package corresponding to the running version of  the
>>   kernel.
> While documented, I do find this last bit of behavior extremely odd and
> non-intuitive. (And hardcoded, no less.)

There should just be a separate protect_running_kernel boolean option, which 
would default to the above odd behavior for compatibility if not set (but 
explicitly setting it to either 1 or 0 would override that either way).

        Kevin Kofler

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