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 ...

[Alexander Leidinger]

Quoting "M. Warner Losh" <imp at bsdimp.com> (Tue, 01 Jan 2008 02:31:43 -0700 (MST)):

> In message: <4779D924.8020708 at freebsd.org>
>             Tim Kientzle <kientzle at freebsd.org> writes:
> : M. Warner Losh wrote:
> : > In message: <20071231001554.GB987 at zaphod.nitro.dk>
> : >             "Simon L. Nielsen" <simon at 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