Re: F27 System Wide Change: perl Package to Install Core Modules

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On 06/15/2017 08:13 PM, Dominik 'Rathann' Mierzejewski wrote:
> On Thursday, 15 June 2017 at 20:05, Stephen Gallagher wrote:
>> On 06/15/2017 02:02 PM, Tom Hughes wrote:
>>> On 15/06/17 18:27, Stephen Gallagher wrote:
>>>
>>>> I think you may misunderstand what "Recommends" means. At install-time, it will
>>>> still be pulled into the system as if it was a "Requires:". The difference is
>>>> that if someone later decides to do 'dnf remove perl-foo', it can be removed
>>>> without also removing the main 'perl' package (which is what would happen if it
>>>> is a full "requires").
>>>
>>> What does "Recommends" do on upgrade?
>>>
>>> In other words if Recommends was used and a new perl version had new modules in
>>> the core package would an upgrade of perl pull them in as you would expect?
>>>
>>> I don't see how it can unless it also reinstalls ones the user had chosen to
>>> remove?
>>
>> You are correct, on upgrade it only updates packages currently on the system. It
>> won't install new ones (except to satisfy new dependencies for existing packages).
> 
> No, actually it does try to pull in any missing Recommends:. That's why
> I have to add -x trousers to every dnf update I do. dnf keeps trying to
> install it each time.
> 


That's definitely a bug; it's not supposed to be doing that. Have you filed a
BZ? (And are you certain that something else isn't trying to Requires: it?)


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