Date: Tue, 1 Jan 2008 12:15:21 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: "M. Warner Losh" <imp@bsdimp.com> Cc: cvs-src@freebsd.org, kientzle@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org, simon@freebsd.org Subject: Re: cvs commit: src/lib/libarchive Makefile archive.h.in archive_entry.c archive_entry.h archive_entry_link_resolver.c archive_entry_private.h archive_entry_strmode.c archive_platform.h archive_read.c archive_read_support_compression_none.c archive_read_support_format_all.c ... Message-ID: <20080101121521.679e50b1@deskjail> In-Reply-To: <20080101.023143.-160243128.imp@bsdimp.com> References: <20071231001554.GB987@zaphod.nitro.dk> <20071231.203352.-165197022.imp@bsdimp.com> <4779D924.8020708@freebsd.org> <20080101.023143.-160243128.imp@bsdimp.com>
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Quoting "M. Warner Losh" <imp@bsdimp.com> (Tue, 01 Jan 2008 02:31:43 -0700 (MST)):
> In message: <4779D924.8020708@freebsd.org>
> Tim Kientzle <kientzle@freebsd.org> writes:
> : M. Warner Losh wrote:
> : > In message: <20071231001554.GB987@zaphod.nitro.dk>
> : > "Simon L. Nielsen" <simon@FreeBSD.org> writes:
> : > : > * New read support: mtree format
> : > :
> : > : This sounds interesting but I can't really figure out what it
> : > : does... ? :) (and I couldn't find any mention in the updated manual
> : > : pages.)
> : >
> : > Any chance our 'install' tools can be made to copy the files w/o the
> : > right permissions and 'log' the right stuff to an mtree formatted
> : > file? That would make building a distribution as a mere mortal
> : > possible...
> :
> : Yep. ;-) That's a major motivation of this work.
> : In fact, you don't even need to copy the files
> : anywhere. The approach I'm considering would
> : have "make buildworld" write out entries of this
> : form during the build:
> :
> : /bin/ls uid=0 mode=0555 contents=/usr/obj/usr/src/bin/ls
> :
> : Then "make installworld" becomes essentially just:
> :
> : tar -xUvf world.mtree -C ${DESTDIR}
> :
> : or you can create a distribution tarball with:
> :
> : tar -czf world.tgz @world.mtree
>
> I mostly like this idea, save for one problem: install will strip the
> symbols from /usr/obj/usr/src/bin/ls before installing it into
> $DESTDIR/bin/ls.
>
> : In particular, I like that this approach uses exactly
> : the same machinery for local installs or distribution
> : building, varying only in the very last step.
> :
> : The code I just committed to -CURRENT is sufficient to
> : begin experimenting with this approach; you just need
> : to be careful to include "#mtree" as the first line
> : (to please libarchive's auto-format detection).
> : The use of full pathnames in mtree files is another
> : idea I copied from the NetBSD folks; I've documented
> : this as "mtree v2" in the mtree.5 manpage.
> :
> : There are still a lot of details to work out, but I
> : hope this is sufficient for someone else to begin
> : experimenting with the next step, which is figuring out
> : the appropriate ways to change our distribution build.
>
> Yes. Any ideas how long the experimentation will last?
Do you want an entry for this on the ideas list page? If yes, could you
please come up with a suitable text (if you also do the markup, just go
ahead an commit it, else I can do the markup and the commit).
Bye,
Alexander.
--
Is truth not truth for all?
-- Natira, "For the World is Hollow and I have Touched
the Sky", stardate 5476.4.
http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
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