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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