On Thursday 25 September 2008, Thomas Kahle wrote:
> Hi,
>
> ~ > Then, revdep-rebuild display like this.
>
> | [ebuild   R   ] media-libs/tiff-3.8.2-r5
> | [ebuild   R   ] media-gfx/imagemagick-6.4.3.5
> | [ebuild   R   ] media-libs/lcms-1.17
> | [ebuild     U ] media-libs/vigra-1.6.0 [1.5.0-r1]
> | [ebuild   R   ] net-print/cups-1.3.8-r1
> | [ebuild   R   ] x11-libs/gtk+-2.12.12
> | [ebuild   R   ] app-text/ghostscript-gpl-8.63
> | [ebuild   R   ] app-text/evince-2.22.2-r1
> | [ebuild   R   ] media-gfx/gthumb-2.10.9
>
> ~ > But there is no "vigra" in result of "emerge -p --update world"(with
>
> | --deep also).
> | Of course, it still shows flag "U" if I do "emerge -p vigra"
> |
> | What is difference with emerge --update world and emerge vigra?
> | And how can I update all new package without exceptions?
>
> I am also curious to know why portage just "forgets" to update certain
> packages. What I used to do to find them is a plain
> eix -I | grep "\[U\]"
> which just greps for the pattern [U] marking an upgradeable package.
> Then you can format this list and run
> emerge -1 `insert packagelist here`
> The -1 is important to not register these packages in your world file,
> which you probably don't wont for some package that only is a dependency.
>
> Still, I would like to know how this happens...
>
> hth
> Tom

a) dependencies are not listed in world.

b) an 'orphaned' dependency wouldn't get caught with --deep.

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