Re: [gentoo-user] emerge sets syntax (@world vs. world)

[Bruce Hill <daddy@happypenguincomputers.com>]

On Wed, Dec 12, 2012 at 12:53:01PM +0100, Francesco Turco wrote:
> Hello.
> 
> A couple of weeks ago I filed a bug because in the Installation Handbook
> I found some references of the "world" set in emerge commands, as
> opposed to "@world": https://bugs.gentoo.org/show_bug.cgi?id=445184
> 
> The bug was closed as invalid, and I was told that:
> 
> > sets with the @ prefix are a portage-2.2 feature, which is still hardmasked and thus not documented.
> 
> The fact is that I have portage-2.1.11.37, not 2.2, and man emerge says:
> 
> > When used  as  arguments to emerge sets have to be prefixed with @ to be recognized.
> 
> One possibility is that documentation stick with the stable portage
> package, not the testing one (I have a ~amd64 system only). But I
> checked portage 2.1.11.31 (the latest stable amd64 portage package
> version) and the previous phrase is there, too.
> 
> I know it's not a very important issue, but I'd still like to know if
> I'm wrong or not, and why.

Is there even a valid world set in portage before 2.2?

mingdao@server ~ $ eshowkw portage
Keywords for sys-apps/portage:
               |                           | u   |  
               | a a             p     s   | n   |  
               | l m   h i m m   p s   p   | u s | r
               | p d a p a 6 i p c 3   a x | s l | e
               | h 6 r p 6 8 p p 6 9 s r 8 | e o | p
               | a 4 m a 4 k s c 4 0 h c 6 | d t | o
---------------+---------------------------+-----+-------
 [M]2.1.6.7_p1 | + + + + + + ~ + + + + + + | # 0 | gentoo
      2.1.11.9 | + + + + + + ~ + + + + + + | #   | gentoo
  [I]2.1.11.31 | + + + + + + ~ + + + + + + | o   | gentoo
     2.1.11.33 | ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | #   | gentoo
     2.1.11.36 | ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | #   | gentoo
     2.1.11.37 | ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ | o   | gentoo
2.2.0_alpha142 | o o o o o o o o o o o o o | #   | gentoo
2.2.0_alpha144 | o o o o o o o o o o o o o | #   | gentoo
2.2.0_alpha147 | o o o o o o o o o o o o o | #   | gentoo
2.2.0_alpha148 | o o o o o o o o o o o o o | o   | gentoo
          9999 | o o o o o o o o o o o o o | o   | gentoo
mingdao@server ~ $ ls -al /var/lib/portage/
total 12
drwxr-sr-x  2 root portage   78 Dec 12 08:10 .
drwxr-xr-x 11 root root     152 Oct 20 22:25 ..
-rw-rw----  1 root portage 8076 Nov 21 07:26 config
-rw-rw----  1 root portage    0 Nov  6 08:03 preserved_libs_registry
-rw-r--r--  1 root portage 1122 Dec  6 14:51 world
-rw-r--r--  1 root portage    0 Dec  6 14:51 world_sets

Might be why @preserved-rebuild never does anything for me, also.
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