Mailinglist Archive: opensuse-packaging (156 mails)

[Michael Schroeder <mls@xxxxxxx>]

On Mon, Jun 07, 2010 at 08:32:27PM +0200, Cristian Morales Vega wrote:
> Isn't the whole distribution installation a single RPM transaction?

No.

> If no, what's exactly a RPM transaction?

Everything you feed to rpm (or rpmlib) in one single step, e.g.
multiple arguments on the rpm command line.

> After installation, if ZYpp
> commit.downloadMode is set to DownloadInAdvance or DownloadInHeaps
> doesn't this reduces also the number of transactions (to just one in
> the case of DownloadInAdvance)?

No. We could do that, but see below.

> There is still the problem of uninstall, but I don't expect users to
> uninstall a lot of packages at the same time.

Some background: rpm does all the erasures at the end of the
(rpm-)transaction. So if a transaction dies in the middle because
of a broken scriptlet you've got a very broken system.
AFAIK there's no easy way to continue the transaction. But Zypp offers
a "retry/ignore" dialog, which needs this. Thus, every Zypp-transaction
is broken down into multiple rpm-transactions.

Cheers,
  Michael.

-- 
Michael Schroeder                                   mls@xxxxxxx
SUSE LINUX Products GmbH, GF Markus Rex, HRB 16746 AG Nuernberg
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