Date: Tue, 26 Jun 2012 08:18:05 -0700 From: Tim Kientzle <tim@kientzle.com> To: =?iso-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no> Cc: freebsd-arch@freebsd.org, Simon Gerraty <sjg@juniper.net> Subject: Re: Allow user install Message-ID: <C31B93F4-674C-4183-9F3F-5F7C48980204@kientzle.com> In-Reply-To: <86wr2uwdgf.fsf@ds4.des.no> References: <20120626063017.D05DA58081@chaos.jnpr.net> <86wr2uwdgf.fsf@ds4.des.no>
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On Jun 26, 2012, at 3:54 AM, Dag-Erling Smørgrav wrote:
> Simon Gerraty <sjg@juniper.net> writes:
>> The patch below is a step towards supporting unprivileged buildworld
>> etc. Eg.
>
> Wow, this is really cool - and long overdue.
>
> I've been thinking for a while that some bor^H^H^Henterprising soul
> should hack install(1) so that if a specific environment variable is
> set, it writes the file to a tarball instead of writing it to disk.
> Unfortunately, there would still be a ton of ${LN} etc. that would need
> to be handled somehow.
Better idea: have the build write a textual description of the
tar entries. That description can then be fed to tar to build
the actual tarball.
The description format that tar already supports is a variant
mtree format borrowed from NetBSD. Each line specifies
the tar entry fields (filename, owner, permissions, etc) and
the filename where the file contents are stored.
Tim
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