A Debian user of tar pointed out a while back that --warning=none doesn't always work as expected. The example involved using options 'df' to compare a simple tar file to a directory tree with a removed file. I used the procedure in the bug log to confirm this still happens with tar 1.30:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=749307 Regards, Bdale
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