Mailinglist Archive: opensuse-factory (765 mails)

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Re: [opensuse-factory] Announcing Tumbleweed Snapshots: Rolling With You


On Nov 23 09:23 Dominique Leuenberger / DimStar wrote (excerpt):
On Wed, 2017-11-22 at 16:52 -0600, Jimmy Berry wrote:

For example, one is running snapshot 17 and the next day
snapshot 18 contains a QT update that rebuilt a large number
of packages.
When attempting to install an application that depends on QT
one is greeted with an ugly unresolveable error.
It is then necessary to run a full update, likely very large
with many unrelated changes, in order to simply install an
application as would have been possible yesterday.
... a new library is perfecly allowed to add functions
without changing the so-version. A binary built against
the newer lib might make use of this new functions.
The dependency will, nevertheless, be on libFOO<NUM>,
with <NUM> not having changed, yet your application
not starting in the end.

I don't see a real problem here.

Assume a user is running snapshot 17 and the next day
snapshot 18 contains a QT update and that new application
gets re-built with a new function in libFOO<NUM>.

Then installing that new application (and only it)
into the outdated snapshot 17 will result that
this new application (and only it) fails to start.

No worries because it is obvious for the user that
"something is wrong" with his new application (and only it).

I think the crucial point is the "only it".

As far as I understand it the basic idea behind is that
changes and resulting issues are kept as local as possible.

When that new application does not work within
the outdated snapshot 17 nothing else became wrong.
All what had worked in the outdated snapshot 17 still works.

Now the user can decide if and when he will do a full system
upgrade to a current snapshot 18 (or 19 or whatever later)
to get that new application running.

Regarding invalid bug reports because a user had installed
whatever "new application" into his outdated system:

We have to deal with such invalid bug reports since ever
because some users did and do install whatever
"latest greatest from wherever" into their systems.

Kind Regards
Johannes Meixner
SUSE LINUX GmbH - GF: Felix Imendoerffer, Jane Smithard,
Graham Norton - HRB 21284 (AG Nuernberg)

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