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Warn about bashism [^bar].

This commit is contained in:
Vidar Holen 2015-08-15 13:50:09 -07:00
parent f85441add9
commit f653362b18
1 changed files with 3 additions and 0 deletions
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3
ShellCheck/Analytics.hs
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@ -680,6 +680,7 @@ prop_checkBashisms23= verify checkBashisms "trap mything err int"
prop_checkBashisms24= verifyNot checkBashisms "trap mything int term" prop_checkBashisms24= verifyNot checkBashisms "trap mything int term"
prop_checkBashisms25= verify checkBashisms "cat < /dev/tcp/host/123" prop_checkBashisms25= verify checkBashisms "cat < /dev/tcp/host/123"
prop_checkBashisms26= verify checkBashisms "trap mything ERR SIGTERM" prop_checkBashisms26= verify checkBashisms "trap mything ERR SIGTERM"
prop_checkBashisms27= verify checkBashisms "echo *[^0-9]*"
checkBashisms _ = bashism checkBashisms _ = bashism
where where
errMsg id s = err id 2040 $ "In sh, " ++ s ++ " not supported, even when sh is actually bash." errMsg id s = err id 2040 $ "In sh, " ++ s ++ " not supported, even when sh is actually bash."
@ -710,6 +711,8 @@ checkBashisms _ = bashism
where where
file = onlyLiteralString word file = onlyLiteralString word
isNetworked = any (`isPrefixOf` file) ["/dev/tcp", "/dev/udp"] isNetworked = any (`isPrefixOf` file) ["/dev/tcp", "/dev/udp"]
bashism (T_Glob id str) | "[^" `isInfixOf` str =
warnMsg id "^ in place of ! in glob bracket expressions is"
bashism t@(TA_Expansion id _) | isBashism = bashism t@(TA_Expansion id _) | isBashism =
warnMsg id $ fromJust str ++ " is" warnMsg id $ fromJust str ++ " is"