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tests: add lint for non portable cp -a
cp -a, while a common flag isn't in POSIX and will therefore fail on systems that don't have GNUish tools (like OpenBSD, AIX or Solaris) Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -35,6 +35,7 @@ sub err {
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chomp;
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}
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/\bcp\s+-a/ and err 'cp -a is not portable';
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/\bsed\s+-i/ and err 'sed -i is not portable';
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/\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)';
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/^\s*declare\s+/ and err 'arrays/declare not portable';
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