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Re: Dist-upgrade or upgrade. Which?

Patrick Bartek:
> ----- Original Message -----
>> From: Jochen Spieker <ml@well-adjusted.de>
>> To: debian-user@lists.debian.org
>> Cc: 
>> Sent: Sunday, April 21, 2013 2:25 AM
>> Subject: Re: Dist-upgrade or upgrade.  Which?

It would be nice if you could trim that to one line.

>> The main difference to keep in mind is that apt-get's upgrade
>> operation will never change the set of installed packages. Ever. It
>> will only upgrade already installed packages. No removals, no new
>> packages.
> Yes.  I am aware of this.  But it occurred to me:  Once Wheezy becomes
> Stable, the only changes made to its code will be security and bug
> fixes.  So, even a dist-upgrade should have the same effect as
> upgrade.  At least, as far as the Main repository is concerned.
>  Right?  Contrib, nonfree or 3rd party repos might have a different
> effect.


>> To put it short: irrespective of Debian flavour, my advice is to
>> habitually perform upgrades and only use dist-upgrade when you see it
>> is actually necessary in order to upgrade certain packages.
> This is something I'd been thinking about.  What overall affect
> would mixing upgrade and dist-upgrade, if even only for select
> packages, have on a "Stable" system?  Could that possibly "break" it?
>  It was one of the reasons for my initial inquiry.

I don't really understand the question. You can always "mix" upgrade and
dist-upgrade, irrespective of the flavour in use. There is no magic
involved here. Dist-upgrades are potentially harmful if you do not look
closely what apt is about to do before confirming its actions. That's

Nothing is as I planned it.
[Agree]   [Disagree]

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