Re: bug in BSD tar?

Steven Hartland wrote:
----- Original Message ----- From: "John-Mark Gurney"
<gurney_j@xxxxxxxxxxxxxxxxxx>
Is the file incorrect when extracted? or is this a mater of gtar
throwing
an error because of the tar format, and an option to bsdtar could be
provided
to change the output tar format?

The file is correct when extracted but gtar is, as you say, throwing
an error because of the tar format. The exit error is the issue as in
a scripted environment, as we have, the error causes the failure of the
whole operation.

GNU tar is broken. POSIX specifically allows for vendor extensions (such
as the SCHILY.* extensions which were introduced by star), and the correct
way to handle them is by printing a warning message, ignoring the extension,
and not treating it as an error.

You can work around gtar's breakage by explicitly telling it to ignore these
options via --pax-option="delete=SCHILY.*" .

Colin Percival
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