Re: [PATCH/RFC v1 1/1] test-lint: sed -E (or -a, -l) are not portable

From `man sed` (on a Mac OS X box):
The -E, -a and -i options are non-standard FreeBSD extensions and may not be available
on other operating systems.
[...]
To be on the safe side, don't allow it.

Signed-off-by: Torsten Bögershausen <redacted>
---

diff --git a/t/check-non-portable-shell.pl b/t/check-non-portable-shell.pl

@@ -35,7 +35,7 @@ sub err {
-       /\bsed\s+-i/ and err 'sed -i is not portable';
+       /\bsed\s+-[Eail]/ and err 'Not portable option with sed. Only -e -f -n are portable';
        /\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)';
        /^\s*declare\s+/ and err 'arrays/declare not portable';
        /^\s*[^#]\s*which\s/ and err 'which is not portable (use type)';