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test-lint: echo -e (or -E) is not portable

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Some implementations of `echo` support the '-e' option to enable
backslash interpretation of the following string.
As an addition, they support '-E' to turn it off.

However, none of these are portable, POSIX doesn't even mention them,
and many implementations don't support them.

A check for '-n' is already done in check-non-portable-shell.pl,
extend it to cover '-n', '-e' or '-E'.

Signed-off-by: Torsten Bögershausen <tboegi@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Torsten Bögershausen 2017-09-17 07:43:18 +02:00 committed by Junio C Hamano
parent 94c9fd268d
commit 1a6d46895d
1 changed files with 1 additions and 1 deletions
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2
t/check-non-portable-shell.pl
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@ -17,7 +17,7 @@ sub err {
while (<>) {
chomp;
/\bsed\s+-i/ and err 'sed -i is not portable';
/\becho\s+-n/ and err 'echo -n is not portable (please use printf)';
/\becho\s+-[neE]/ and err 'echo with option 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)';
/\btest\s+[^=]*==/ and err '"test a == b" is not portable (please use =)';