The "env --unset=*" argument isn't portable. Neither Solaris or AIX have it, and probably not a bunch of other POSIX-like OS's.
Using this was suggested on-list[1]. Let's add a check for it so it doesn't sneak into the codebase in the future. 1. https://public-inbox.org/git/cover.1544573604.git.jonathanta...@google.com/ Signed-off-by: Ævar Arnfjörð Bjarmason <ava...@gmail.com> --- t/check-non-portable-shell.pl | 1 + 1 file changed, 1 insertion(+) diff --git a/t/check-non-portable-shell.pl b/t/check-non-portable-shell.pl index b45bdac688..1cfb4608ee 100755 --- a/t/check-non-portable-shell.pl +++ b/t/check-non-portable-shell.pl @@ -35,6 +35,7 @@ sub err { chomp; } + /\benv (?:-u|--unset)\b/ and err 'env [-u|--unset] is not portable'; /\bsed\s+-i/ and err 'sed -i is not portable'; /\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)'; /^\s*declare\s+/ and err 'arrays/declare not portable'; -- 2.20.0.405.gbc1bbc6f85
