Re: cpio and tar are loosing flags (and a panic message without trace)

From: Emanuel Strobl (Emanuel.strobl_at_gmx.net)
Date: 08/29/05

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    To: freebsd-current@freebsd.org
Date: Mon, 29 Aug 2005 17:06:58 +0200

    Am Montag, 29. August 2005 12:37 CEST schrieb Yar Tikhiy:
    > On Fri, Aug 26, 2005 at 08:04:45PM +0200, Emanuel Strobl wrote:
    > > Then I remember Tim Kienzles great work for bsdtar and all the ACL
    > > stuff, but unfortunately a cvPPzf <> xvpPfz also looses the arch flag
    > > :(
    >
    > Would you mind sending a PR on this issue with kientzle@freebsd.org
    > in Cc:? I believe Tim will be interested in it. I've just confirmed
    > myself using not-too-old CURRENT that bsdtar won't restore file
    > flags stored in its own archive:
    >
    > vpc7# tar --version
    > bsdtar 1.02.023, libarchive 1.02.026
    > Copyright (C) 2003-2005 Tim Kientzle
    > vpc7# sysctl kern.securelevel
    > kern.securelevel: -1
    > vpc7# mkdir dir
    > vpc7# touch dir/file
    > vpc7# chflags arch,sunlink dir/file
    > vpc7# ls -lo dir/file
    > -rw-r--r-- 1 root staff arch,sunlnk 0 Aug 29 14:35 dir/file
    > vpc7# tar cf dir.tar dir
    > vpc7# hd dir.tar | grep -1 fflags
    > 00000420 35 33 32 36 31 34 39 0a 32 39 20 53 43 48 49 4c |5326149.29
    > SCHIL| 00000430 59 2e 66 66 6c 61 67 73 3d 61 72 63 68 2c 73 75
    > |Y.fflags=arch,su| 00000440 6e 6c 6e 6b 0a 31 37 20 53 43 48 49 4c 59
    > 2e 64 |nlnk.17 SCHILY.d| vpc7# mv dir dir.bak
    > vpc7# tar xpf dir.tar
    > vpc7# ls -lo dir/file
    > -rw-r--r-- 1 root staff - 0 Aug 29 14:35 dir/file
    >
    > This is at variance with what the tar(1) manpage says:
    >
    > -p (x mode only) Preserve file permissions. Attempt to
    > restore the full permissions, including owner, file modes, file flags
    > and ACLs, if available, for each item extracted from the archive...
    >
    > I think it might be reasonable to include these details in the PR.

    I filed a PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=84135
    Unfortunately I forgot to include your analysis here, so I CC this message
    to Tim Kientzle.

    -Harry

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