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Re: Desktop Background Bites the Dust



On Mon 22 May 2017 at 09:55:42 (+0200), tomas@tuxteam.de wrote:
> On Sun, May 21, 2017 at 02:40:47PM -0700, David Christensen wrote:
> 
> [...]
> 
> > As I understand it:
> > 
> > *   'apt-get upgrade' is for rolling forward to a new minor revision
> > -- e.g. Debian 8.7 to Debian 8.8 -- and/or new packages -- e.g.
> > icedove 1:45.6.0-1~deb8u1 to thunderbird 1:45.8.0-3~deb8u1).
> > 
> > *   'apt-get dist-upgrade' is for rolling forward to a new major
> > revision -- e.g. Debian 7 to Debian 8.
> 
> It's not *that* drastic. Rolling forward usually implies doing
> something to your sources.list (unless you state there something
> like "stable" or "testing", which change their meaning when a
> release is made).
> 
> As far as I understood it (corrections welcome!):
> 
> Upgrade just upgrades packages to newer versions, as far as possible.
> It *never* removes packages, even if that means that it can't advance
> a package's version to the newest. Dist-upgrade would remove (replace)
> packages when necessary.

Nor will upgrade add a new, now necessary, package.

Cheers,
David.


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