Re: bin/41168 (tar treats lines in files supplied to -X as globs)

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

The following reply was made to PR bin/41168; it has been noted by GNATS.

From: Joerg Sonnenberger <joerg%britannica.bec.de@localhost>
To: "Perry E. Metzger" <perry%piermont.com@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, gnats-admin%netbsd.org@localhost, 
netbsd-bugs%netbsd.org@localhost,
        joerg%NetBSD.org@localhost
Subject: Re: bin/41168 (tar treats lines in files supplied to -X as globs)
Date: Sat, 20 Feb 2010 16:40:49 +0100

 On Sat, Feb 20, 2010 at 10:25:01AM -0500, Perry E. Metzger wrote:
 > 
 > joerg%NetBSD.org@localhost writes:
 > > Synopsis: tar treats lines in files supplied to -X as globs
 > >
 > > State-Changed-From-To: open->feedback
 > > State-Changed-By: joerg%NetBSD.org@localhost
 > > State-Changed-When: Sat, 20 Feb 2010 03:40:50 +0000
 > > State-Changed-Why:
 > > GNU tar 1.22 at least documents the same behavior as implemented
 > > by pax-as-tar, namely that -X lists a file of exclude patterns.
 > > Therefore I would change this from an implementation bug to
 > > a documentation bug. Opinion?
 > 
 > Why don't you try them both and see. I think you'll find that they do
 > not behave compatibly and that this makes lots of things fail. In
 > particular, my system backup scripts fail using the native tar.
 
 The only difference I see between gtar-base-1.22 and pax-as-tar with -X
 is that GNU tar mishandles the case of no match at all. Otherwise they
 behave identical.
 
 cd /
 echo 'b*' > /tmp/excludes
 $TAR -cf /tmp/test.tar -X tmp/excludes ./altroot ./bin
 $TAR -tf /tmp/test.tar
 
 Joerg