Mailinglist Archive: zypp-devel (83 mails)

[Klaus Kaempf <kkaempf@xxxxxxx>]

* Jan Kupec <jkupec@xxxxxxx> [Jun 03. 2008 16:00]:
> 'zypper lu -t package' currently lists all packages for which there is a 
> newer version available, regardless whether it installable or not.
>
> OTOH, 'zypper up -t package' uses solver's doUpdate().
>
> The results are quite different. E.g. on my workstation i currently get 
> 2000+ packages with 'lu' while 'up' wants to upgrade only around 50.
>
> I'd like to fix this for 11.0 and there are basically two ways:

Please don't.

> 1) fix 'lu' to display what doUpdate() proposes
> 2) fix 'up' to install what 'lu' currently proposes (don't use
>    doUpdate())
>
> I would like to do 2) but i wonder why doUpdate() yields soooo different 
> results than simple checking for newer version (doUpgrade() yields much 
> saner number). It's clear that it is not the same, but it should not be 
> _that_ different, too.
>
> If this is caused by some easily fixable bug, i'd go for 2), otherwise i'd 
> do 1). What do you think?

The difference is right and should be shown. I agree, the current
output is puzzling and might need some additional explanation.

Actually, there are three different views on available updates

1) Any update for installed packages
   This is (according to my current understanding) the 'lu -t package'
   output. It just takes the individual package into account.

2) Installable update for installed packages
   This should limit the list from 1) above to actually installable
   updates. Each such update is still looked at individually.
   
3) Complete update
   This is (according to my current understanding) the 'up -t package'
   output. This is a further reduction to the list from 2), taking the
   complete transaction into account.

Klaus
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