Mailinglist Archive: opensuse-softwaremgmt (9 mails)

[Michael Andres <ma@xxxxxxx>]

On Wednesday 01 April 2009 19:48:05 Elmar Stellnberger wrote:
> > > You're not getting all the bug reports like "zypper dup is downgrading
> > > all my packman packages to opensuse"...
> >
> > ... but a well downgraded system will work better and contain fewer
> > errors!
>
>   Of course, that should not happen.
> When selecting a different than the standard installation source when
> installing via YaST the packages should become locked in order to be
> updated from the same source only. Is this not the way things work?

There's a slight difference between
    zypper up
  and 
    zypper dup

Assume: priority(packman) < priority(openSUSE)

'up' tries to update installed packages with respect to the packages 
architecture and vendor. An already installed packman package will stay 
packman, but it will not migrate installed openSUSE packages to packman, nor 
will it use packman for new packages also available in openSUSE.

'dup' is free to change architecture and vendor, and even able to dowgrade 
packages. It will try to adjust all packages according to the repository 
priorities. Thus and already installed packman package may even be downgraded 
to openSUSE.

(mls may correct me if this is not exact)

>   There should not be any problem in continually drawing a user defined
> set of packages from another possibly lower prioritized source like
> Packman?

Unless you use 'zypper dup'. And maybe most trouble originates from this.

If you want to follow some development, like KDE4, people assign a high 
priority and use 'zypper dup', because it will bring in all the KDE4 
packages.

But unfortunately 'zypper dup' may also remove packages from low priority 
repos. So 'dup' is not exactly what you want, but all you have. 

Maybe 'zypper dup' should be deprecated and replaced by some command that
simply 'dup's one repo:

        zypper follow-repo KDE4 // raise KDE4 prio and update the packages.

and then you continue to use 

        zypper up

to keep the system up-to-date


> So what kind of priority assignment would you propose/agree on?

I guess without 'zypper dup' less people would  mind having e.g. 3 levels

        HIGH    :       special cases like development repos.
        NORMAL  :       OpenSuse and Updates
        LOW     :       default for new repos

-- 

cu,
    Michael Andres

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