Package: tar Version: 1.34+dfsg-1.1 Severity: important Emitting these warnings to stderr is bad because it breaks other software which calls tar and does not expect something on stderr. Either the warnings are useless, and then they should just be suppressed, or they are relevant, and then tar should be taught about whatever a "LIBARCHIVE.xattr.com.apple.lastuseddate" is.
To reproduce: $ wget https://cpan.metacpan.org/authors/id/M/MR/MRSCOTTY/Crypt-X509-0.55.tar.gz $ LANG=C tar tvvf Crypt-X509-0.55.tar.gz > /dev/null tar: Ignoring unknown extended header keyword 'LIBARCHIVE.xattr.com.apple.lastuseddate#PS' tar: Ignoring unknown extended header keyword 'LIBARCHIVE.xattr.com.apple.lastuseddate#PS' $ -- ciao, Marco
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