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List:       opensuse
Subject:    [opensuse] what is the difference between zypper dup and yast switch system packages
From:       George Olson <grglsn765 () gmail ! com>
Date:       2012-09-27 0:00:12
Message-ID: 5063970C.2030405 () gmail ! com
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This came up as I was trying to upgrade KDE, but it is more about the 
functionality of yast and zypper, so I am posting it in this list 
instead of the KDE list.

I just upgraded my laptop to 12.2, and I wanted to afterwards upgrade to 
KDE 4.9.  So I added the KDE 4.9 repositories for 12.2 and as I write 
this I am using yast to download the upgrade. I thought about doing it 
with zypper like I did last time when I was using 12.1, but I decided to 
try yast this time.

So this time I went to yast, selected the KDE repositories I had 
enabled, and then clicked on the option "switch system packages to this 
repository."

Now what I have learned is that when you do a zypper dup, you can either 
use the "--from" option" or the "-r" option to specify the repositories 
you are using. According to man zypper:

      --from <alias|name|#|URI>
               Restricts  the  upgrade to the specified repositories 
(the option can be used multiple times) only, but can satisfy dependen-
               cies also from the rest of enabled repositories.

        -r, --repo <alias|name|#|URI>
               Work only with the repository specified by the alias, 
name, number, or URI. This option can be used multiple times.

So when I have used zypper dup in the past, I have used the --from option.

So here is the question. When you upgrade via yast by switching system 
packages, is it the same as using the --from option with zypper, the 
same as using the -r option with zypper, or is it something different?

-- 
G.O.
Box #1: 12.1 | KDE 4.8.5 | AMD Phenom IIX4 | 64 | ATI Radeon HD 3300  | 16GB
Box #2: 12.1 | KDE 4.9.1 | AMD Athlon X3   | 64 | nVidia C61 GeForce 
7025  | 4GB
Laptop: 12.2 | KDE 4.8.4 | Core i7-2620M   | 64 | Intel HD Graphics 3000 
| 8GB
learning openSUSE and loving it
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