[gentoo-amd64] Re: World file messed up

[ABCD]

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Duncan wrote:
> Try emerge with the -n/--noreplace option, which is sort of the reverse
> of -1/--oneshot (and not to be confused with -N/--newuse).  If the
> package is already merged, -n just adds it to the world file without
> actually remerging it.  Then --depclean won't try to remove it or its
> dependencies.
>
> I do this all the time since I use --oneshot in my (stub-scripted) normal
> emerge commands.  Unless I know I want to keep it (in which case I use a
> special version without the --oneshot), I'll use a script that adds -1 by
> default.  That way I can try out a package and decide if I like it,
> before either adding it to world using emerge -n or --depcleaning it and
> dependencies.  Then, since I always use -a or -p as well, when I run
> --depclean I'll get a list of packages I haven't decided on yet.  I
> seldom run --depclean and let it do its thing, preferring to use emerge
> -C to unmerge packages on the list specifically, if I've decided not to
> keep them, or emerge -n to add them to my world file if I do want to keep
> them.  If I've not decided yet, they just sit in the list, but that
> doesn't happen very long for very many packages, and my --depclean -p
> list is usually empty.

I do something similar, but I (almost) never use emerge -C, instead, to
remove a package, I use emerge --depclean category/package, which
removes a package *only if* it is not a dependency of something else (I
only use -C/--unmerge when I know that it isn't a dep, but portage
thinks it is (eg, "|| ( foo/bar foo/baz )", when I have both foo/bar and
foo/baz installed, portage won't remove either with --depclean in some
cases).

> Also note the --with-bdeps=<y|n> option.  Since I always want build
> dependencies retained, I have EMERGE_DEFAULT_OPTIONS="--with-bdeps=y" set
> (along with --keep-going and --nospinner, but the bdeps option is what is
> important here).  Otherwise, --depclean will always want to unmerge build
> dependencies as they aren't needed to actually run the package, only to
> build it.

Actually, --with-bdeps=y is the default when you use --depclean, exactly
for that reason.

- --
ABCD
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