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Date:      Tue, 31 Oct 2006 05:45:08 +1100
From:      Peter Jeremy <peterjeremy@optushome.com.au>
To:        LI Xin <delphij@delphij.net>
Cc:        freebsd-hackers@FreeBSD.ORG, src-committers@FreeBSD.ORG, Xin LI <delphij@FreeBSD.ORG>, cvs-all@FreeBSD.ORG, cvs-src@FreeBSD.ORG
Subject:   Re: [patch] rm can have undesired side-effects
Message-ID:  <20061030184508.GE871@turion.vk2pj.dyndns.org>
In-Reply-To: <4545C86A.1030008@delphij.net>
References:  <200610300332.k9U3W9xF099044@repoman.freebsd.org> <20061030090054.GC871@turion.vk2pj.dyndns.org> <4545C86A.1030008@delphij.net>

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On Mon, 2006-Oct-30 17:39:54 +0800, LI Xin wrote:
>Well thought, I think that you are correct that specifying -P should do
>nothing but generate a warning.
>
>In addition to this I have changed the behavior a bit (patch attached)
>that, if -f is specified along with -P, the overwritten is happen and
>the link would be removed.  Please let me know if you are happy with
>this change.

I prefer this patch to what was committed.  It still has foot-shooting
potential but I don't believe that there have been massive screams
about the current -P behaviour so presumably not too many people have
accidently destroyed the content of a file they still wanted when
deleting an unwanted link to the file.

IMHO, rm.1 should explicitly state that "rm -fP" on a multi-linked
file will destry the file contents as seen via the remaining link(s).
This probably belongs in the "NOTE" section.

--=20
Peter Jeremy

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