[gentoo-user] Re: autodepclean script (was "how to remove HAL")

[Francesco Talamona <francesco.talamona@know.eu>]

On Thursday 19 August 2010, Walter Dnes wrote:
> On Tue, Aug 17, 2010 at 09:49:22PM +0200, Enrico Weigelt wrote
> 
> > I've just experimented a bit with that and it turned out that
> > --depclean doesn't clean up the buildtime-only deps. But if I
> > remove one of them (eg. cabextract), they don't get pulled in again
> > (that's indicating the depending ebuilds are written properly).
> 
>   This reminds me of a script I've been working on to remove
> unnecessary cruft.  Everything that follows is run as root, because
> it runs "emerge".  The attached script "autodepclean" parses the
> output from "emerge --pretend --depclean" and generates a script
> "cleanscript" that you can run to clean up your system.  This should
> handle your situation, but it's also a general solution to the
> entire class of problems of cleaning up when you remove all programs
> or USE flags that pull in a lib.  It is not restricted to just HAL
> 
>   Warning, this script is beta.  Use with care.  It will remove
> gentoo-sources versions higher than your current kernel.  This is
> technically correct for removing unused ebuilds.  But it may not be
> what you want.

I'm unclear about the aim of your script, what does different from 
"emerge -a --depclean" followed by "revdep-rebuild -- -a"?

Ciao
	Francesco
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