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Re: [Bug-tar] dereferencing broken since 1.24?

From: gene heskett
Subject: Re: [Bug-tar] dereferencing broken since 1.24?
Date: Wed, 5 Jan 2011 13:09:15 -0500
User-agent: KMail/1.13.5 (Linux/2.6.37; KDE/4.5.4; i686; ; )

On Wednesday, January 05, 2011 12:58:33 pm Paul Eggert did opine:

> On 01/04/11 15:28, Michael Lawrence wrote:
> > Issuing these commands with 1.23:
> > 
> > $ touch foo
> > $ tar czfh foo.tar.gz foo bar
> > $ tar tzvf foo.tar.gz
> > -rw-r--r-- larman/larman     0 2011-01-04 15:06 foo
> > -rw-r--r-- larman/larman     0 2011-01-04 15:06 bar
> > 
> > That is as expected
> No doubt you meant that foo should be a symbolic link to tar?
> (Your example doesn't say.)
> But in that case, I don't see why you'd expect the behavior
> described above.  If symlinks are being followed, 'tar' should
> behave the same with 'ln foo bar' as it does with 'ln -s foo bar',
> which is like this:
> $ touch foo
> $ ln foo bar
> $ tar czfh foo.tar.gz foo bar
> $ tar tzvf foo.tar.gz
> -rw-r--r-- eggert/eggert     0 2011-01-05 09:43 foo
> hrw-r--r-- eggert/eggert     0 2011-01-05 09:43 bar link to foo
> This behavior is the same for both 1.22 and 1.25 (I just checked).
> tar 1.22 mishandles it if "ln -s" is used, but 1.25 gets it right.
> On 01/05/11 08:09, gene heskett wrote:
> > Test cases have been submitted, but no fix progress has been
> > noted, and this bug has been out of the refrigerator long enough to
> > develop an odor in this amanda users camp.
> I assume we're talking about a bug in Amanda here?

Not an amanda bug, you broke an amanda usage amanda been using for a decade 
or more.

> I don't recall test cases being submitted to bug-tar.
> Where is the Amanda bug report?

Somewhere in this lists archives, say a month or more back up the log, and 
the thread even includes a test case code snippet to demo the problem, and 
which I thought was going to be added to your "make test: suite.  I'm not 
sure which of the amanda contributors (I am not one, I play the canary in 
the coal mine part in this play) posted the test case code, my memory says 
it may not have been Jean-Louis M.  I would go find it in my email corpus 
here, but due to speed and disk usage constraints, I have kmail expiring 
this folder at 30 days.  It is nearly 21Gb as it is. Next time I install, 
/home is going to get 100Gb to play in.

Perhaps Jean-Louis is copying the list, and can refresh that thread?

Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Eloquence is logic on fire.

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