Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] emerge -DuN @system vs. emerge -DuN @world
Date: Mon, 21 Mar 2022 16:48:52
Message-Id: 20220321164837.2bbba159@digimed.co.uk
In Reply to: Re: [gentoo-user] emerge -DuN @system vs. emerge -DuN @world by hitachi303
1 On Mon, 21 Mar 2022 15:41:14 +0100, hitachi303 wrote:
2
3 > >> as far as I understand updating @system first should be safer and
4 > >> easier to perform than updating @world directly. It was mention that
5 > >> especially after updating the software after a somewhat long period
6 > >> this might solve conflicts. I often do experience different and
7 > >> wonder what the reason might be.
8 > >>
9 > >> The example today would work in both ways but @system shows problems
10 > >> which @world does not have. Mostly those problems seem to be bigger
11 > >> to the point where @system does not work but @world does or manual
12 > >> package by package uninstalling and or emerging is required.
13 > >
14 > > Emerging @world considers the whole dependency tree, so it should give
15 > > better results. Emerging @system first is only recommended in cases
16 > > where @world fails due to dependency issues, particularly circular
17 > > dependencies.
18 >
19 > That is what I learnd but my experience is that @system has often more
20 > dependency issues than @world.
21
22 Exactly, which is why @world should be the first attempt, but there are
23 times when it fails while @system will succeed.
24
25 > Your signature is always a reason to read your emails even when the
26 > subject is not appealing.
27 > .
28
29 :-)
30
31
32 --
33 Neil Bothwick
34
35 Accordion: a bagpipe with pleats.