On 2014-05-23 20.44, Jonathan Nieder wrote:
> Junio C Hamano wrote:
>> Elia Pinto <[email protected]> writes:
>
>>> Found by check-non-portable-shell.pl
>>
>> Thanks.
>>
>> Makes me wonder why these two were missed, though.
>
> Good catch. check-non-portable-shell.pl uses an anchored regex:
>
> /^\s*export\s+[^=]*=/
>
> Perhaps something like
>
> /\bexport\s+[A-Za-z0-9_]*=/
>
> without anchoring would work better.
>
> -- >8 --
> Subject: test-lint: find unportable sed, echo, test, and export usage after &&
>
> Instead of anchoring these checks with "^\s*", just check that the
> usage is preceded by a word boundary. So now we can catch
>
> test $cond && export foo=bar
Thanks for digging.
I wonder if we could keep the anchoring (to reduce false positives)
and try to catch a line "command1 && command2" at the same time:
diff --git a/t/check-non-portable-shell.pl b/t/check-non-portable-shell.pl
index 45971f4..f64e054 100755
--- a/t/check-non-portable-shell.pl
+++ b/t/check-non-portable-shell.pl
@@ -16,12 +16,12 @@ sub err {
while (<>) {
chomp;
- /^\s*sed\s+-i/ and err 'sed -i is not portable';
- /^\s*echo\s+-n/ and err 'echo -n is not portable (please use printf)';
- /^\s*declare\s+/ and err 'arrays/declare not portable';
- /^\s*[^#]\s*which\s/ and err 'which is not portable (please use type)';
+ /(^|&&)\s*sed\s+-i/ and err 'sed -i is not portable';
+ /(^|&&)\s*echo\s+-n/ and err 'echo -n is not portable (please use
printf)';
+ /(^|&&)\s*declare\s+/ and err 'arrays/declare not portable';
+ /(^|&&)\s*[^#]\s*which\s/ and err 'which is not portable (please use
type)';
/test\s+[^=]*==/ and err '"test a == b" is not portable (please use =)';
- /^\s*export\s+[^=]*=/ and err '"export FOO=bar" is not portable (please
use FOO=bar && export FOO)';
+ /(^|&&)\s*export\s+[^=]*=/ and err '"export FOO=bar" is not portable
(please use FOO=bar && export FOO)';
# this resets our $. for each file
close ARGV if eof;
}
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