[Mageia-dev] RFC: Add versioned require in rpm on rpm-helper

[Thierry Vignaud]

On 16 April 2012 11:18, Thomas Backlund <tmb at mageia.org> wrote:
>>>> As per an earlier mail on this list regarding apache during upgrade from
>>>> mga1 to mga2, it seems that rpm-helper may not get installed earlier
>>>> enough to do systemd transitions for services.
>>>>
>>>> Does anyone have any objection to adding a versioned require on
>>>> rpm-helper in the rpm spec such that we know it'll be installed early
>>>> when doing a distro upgrade? Any problems with this approach?
>>>
>>> So assuming no one has any objections to this, I'll add it to rpm today.
>>
>> That will work for urpmi that will upgrade rpm first before restarting
>> but not for installer that doesn't need restarting itself (since we do
>> not  use the system's urpmi).
>
> But AFAIK installer obeys rpm requires,

yes

> so when it installs rpm, it will put rpm-helper in same transaction, wont it ?

NO.
Read again what I wrote: installer doesn't do any priority upgrade since
it doesn't need upgrading itself and doesn't use the installed system rpm/urpmi

> and since rpm is a priority package, it will be done in the beginning, wont
> it ?

NO.

>> A somewhat nicer fix would be to auto generate some
>> 'needs-systemd-aware-rpm-helper'
>> requires for packages providing systemd units, having rpm-helper
>> fulfil this provides
>
>
> Then we wouldn't need this.

Yes we do