Check that we have a working tar before trying to use it
Issue exposed by commit edc2332550 and the buildfarm.
Backpatch to release 14 where this usage started.
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/f920f7e799c587228227ec94356c760e3f3d5f2b
Modified Files
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src/bin/pg_basebackup/t/010_pg_basebackup.pl | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)