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Re: [RFC PATCH 6/7] t5004: use GNU tar to avoid known issues with BSD tar




Carlo Marcelo Arenas Belón  <carenas@xxxxxxxxx> writes:

> 56ee96572a ("t5004: resurrect original empty tar archive test", 2013-05-09)
> added a test to try to detect and workaround issues with the standard tar
> from BSD, but at least in NetBSD would be better to instead require GNU tar
> which is available from pkgsrc
>
> Signed-off-by: Carlo Marcelo Arenas Belón <carenas@xxxxxxxxx>
> ---
>  t/t5004-archive-corner-cases.sh | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/t/t5004-archive-corner-cases.sh b/t/t5004-archive-corner-cases.sh
> index ced44355ca..baafc553f8 100755
> --- a/t/t5004-archive-corner-cases.sh
> +++ b/t/t5004-archive-corner-cases.sh
> @@ -31,6 +31,8 @@ test_lazy_prereq UNZIP_ZIP64_SUPPORT '
>  	"$GIT_UNZIP" -v | grep ZIP64_SUPPORT
>  '
>  
> +test $uname_s = NetBSD && TAR="gtar"
> +

This smells wrong.

Isn't the top-level Makefile ask you to use TAR=gtar if that is the
usable implementation of tar on your platform, and isn't what you
specify as $(TAR) exported down to the t/Makefile to be used here?

>  # bsdtar/libarchive versions before 3.1.3 consider a tar file with a
>  # global pax header that is not followed by a file record as corrupt.
>  if "$TAR" tf "$TEST_DIRECTORY"/t5004/empty-with-pax-header.tar >/dev/null 2>&1