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>

Carlo Marcelo Arenas Belón committed Dec 1, 2018 at 09:36 UTC 82cbc8cde25859027aa013568a7040b5a63707d2
1 file changed +1
t/check-non-portable-shell.pl
+1
@@ -35,6 +35,7 @@ while (<>) {
35 chomp;
36 }
37
38 + /\bcp\s+-a/ and err 'cp -a is not portable';
39 /\bsed\s+-i/ and err 'sed -i is not portable';
40 /\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)';
41 /^\s*declare\s+/ and err 'arrays/declare not portable';