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Date:      Thu, 23 Oct 2008 22:30:53 -0400
From:      Robert Noland <rnoland@FreeBSD.org>
To:        Josh Rickmar <joshua_rickmar@eumx.net>
Cc:        Stephen Montgomery-Smith <stephen@math.missouri.edu>, freebsd-ports@freebsd.org
Subject:   Re: Concern about using pkg_delete -r
Message-ID:  <1224815453.1624.0.camel@wombat.2hip.net>
In-Reply-To: <61973.67.177.142.45.1224815151.squirrel@ssl.eumx.net>
References:  <53980.67.177.142.45.1224810884.squirrel@ssl.eumx.net> <49012D63.8020201@math.missouri.edu> <61973.67.177.142.45.1224815151.squirrel@ssl.eumx.net>

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On Thu, 2008-10-23 at 22:25 -0400, Josh Rickmar wrote:
> On Thu, October 23, 2008 10:05 pm, Stephen Montgomery-Smith wrote:
> > Josh Rickmar wrote:
> >
> >> I'm hoping that this list covers port tools as well as the usual
> >> discussions about the actual ports.  If not, please CC this to the
> >> proper list.
> >>
> >> I want to use pkg_delete to remove an installed port, but also want to
> >> remove its orphaned dependencies along with it.  After looking at the
> >> pkg_delete(1) man page, the -r flag seems to be the option to use for
> >> this job.  My concern, though, is about the wording:
> >>
> >>> In addition to specified packages, delete all
> >>> packages that depend on those packages as well.
> >>
> >> Does this mean that if I pkg_delete -r pkgA, than pkgB (a dependency)
> >> will be removed with it, even though it is dependency of pkgC?  Or is
> >> pkg_delete (or pkg_deinstall) smart enough to understand this
> >> dependency and keep pkgB installed?
> >>
> >> If in this scenario pkgB would be deleted, should an extra warning be
> >> added to the man page so that users know that using this flag could
> >> potentially break their other ports?
> >
> > I think you have the dependency relationship the wrong way around.
> >
> >
> > If you do "pkg_delete -r pkgA", and pkgA is a dependency of pkgB (not
> > the other way around as you have it), then pkgB will be deleted.
> >
>=20
> Ah, my bad.  Yeah, after re-reading the wording it seems that is the case=
.
>=20
> What about for pkg_deinstall (part of portupgrade)?  According to its man
> page, it has two options, --recursive (-r) and --upward-recursive (-R).=20
> Maybe it's just a little bit late, but what /exactly/ is the difference?=20
> It sounds like the --upward-recursive option would be better called
> --downward-recursive, since it will remove the ports/packages "below" it.

Semantically, it is an inverted tree... i.e. the root is at the top.

robert.

> So, if that is the case, would pkg_deinstall -R pkgA remove pkgB or not?
>=20

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