From owner-freebsd-current  Thu Aug  1 10:35: 2 2002
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Date: Thu, 01 Aug 2002 20:34:45 +0300
From: Maxim Sobolev <sobomax@FreeBSD.org>
Organization: Vega International Capital
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To: Bakul Shah <bakul@bitblocks.com>
Cc: Bruce Evans <bde@zeta.org.au>, current@FreeBSD.org,
	obrien@FreeBSD.org
Subject: Re: pkg_add broken by POLA breakage in tar
References: <200208011724.NAA24837@repulse.cnchost.com>
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Bakul Shah wrote:
> 
> My recollection matches what Bruce says (and I have been
> using unix since when version 7 was the latest and greatest).
> At least the SUN OS 5.6 man page I could locate online says
> this:
> 
>  The o function modifier is only valid with the x function. p
>  Restore the named files to their original modes, and ACLs if
>  applicable, ignoring the present umask(1). This is the
>  default behavior if invoked as super-user with the x
>  function letter specified. If super-user, SETUID and sticky
>  information are also extracted, and files are restored with
>  their original owners and permissions, rather than owned
>  by root.
> 
> This superuser behavior is what allows one to use tar as an
> archiving program.

Well, OK, now I am really confused. So what should we be bound to? To
the POLA (old GNU tar in 4.6-release and downward was not fully
preserving permissions unless -p is specified, even when invoked by
root)? Or to what other systems do? Bruce, what do you think?

-Maxim

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