Date: Thu, 06 Mar 2014 07:52:11 -0600 From: Mark Felder <feld@FreeBSD.org> To: "Marat N.Afanasyev" <amarat@li.ru>, Ronald Klop <ronald-lists@klop.ws>, freebsd-stable@freebsd.org Subject: Re: bsdtar POLA change in 10.0? Message-ID: <1394113931.5425.91315465.02C64673@webmail.messagingengine.com> In-Reply-To: <53187C28.9080707@ksu.ru> References: <53171DAE.5070203@li.ru> <1394110822.21224.91297125.0B659AFB@webmail.messagingengine.com> <op.xcaxml0kkndu52@ronaldradial.radialsg.local> <1394111704.25672.91302321.2D5C71E3@webmail.messagingengine.com> <53187C28.9080707@ksu.ru>
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On Thu, Mar 6, 2014, at 7:46, Marat N.Afanasyev wrote: > Mark Felder wrote: > > > > > > On Thu, Mar 6, 2014, at 7:12, Ronald Klop wrote: > >> On Thu, 06 Mar 2014 14:00:22 +0100, Mark Felder <feld@freebsd.org> wrote: > >> > >>> > >>> > >>> On Wed, Mar 5, 2014, at 6:50, Marat N.Afanasyev wrote: > >>>> I wonder why > >>>> > >>>> bsdtar --one-file-system > >>>> > >>>> suddenly started to skip archiving of mount-points? And no mention of > >>>> such behaviour change either in UPDATING or errata :( > >>>> > >>> > >>> --one-file-system > >>> (c, r, and u modes) Do not cross mount points. > >>> > >>> Isn't that what it's supposed to do? Skip any mounted filesystems? Was > >>> it broken before? Or do I simply not understand the behavior you're > >>> seeing. > >> > >> The question is if the mountpoint (directory in the 'current' filesystem) > >> itself should be tarred. After untarring you can than make the same > >> mounts > >> again, for example. > >> > > > > So you're saying that if I have a disk mounted at /mnt/disk and my tar > > with --one-file-system includes /mnt, the empty directory /mnt/disk will > > not be in the tarball? > > Yes, your /mnt/disk will not be in archive, while older version > certainly pick this directory > After some minor sleuthing I wonder if this commit could be the culprit https://github.com/libarchive/libarchive/commit/3439b41d9252372753dc8ca2c7b3e6c0dcfc2874 I don't have the free time to test further at the moment, but attempting to reverse that commit on the libarchive in /usr/src/contrib and then rebuilding bsdtar would be an interesting experiment.
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