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Date: Tue, 1 Feb 2005 09:04:22 +0100
From: Christopher Illies <christopher.illies@molmed.ki.se>
To: Matt LaPlante <laplante@cat.rpi.edu>
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cc: freebsd-questions@freebsd.org
Subject: Re: Cleaning Out Ports?
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On Mon, Jan 31, 2005 at 08:32:41PM -0500, Matt LaPlante wrote:
> 
> I know the ports system is designed to install dependencies automatically,
> but how does one go about removing them?  Say one large package installs
> several dependencies, but then later on that package is removed...and now
> we're left with several orphaned packages.  Is there a way to either detect,
> or even automatically clean out orphaned packages?  I'm particularly
> concerned because I'm dealing with a few systems which are rather well aged,
> and have gone through several upgrade cycles.  I know the Linux version of
> the ports system found in Gentoo (portage) offers extensive functionality
> for finding and removing orphaned dependencies, so I'm hoping FreeBSD has
> some such feature as well.  Thanks.

Have a look at /usr/ports/sysutils/pkg_cutleaves. It is a script that
detects and removes orphaned dependencies.

Christopher