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Fixed warning for trap '$VAR'

This commit is contained in:
Vidar Holen 2013-07-09 09:26:48 -07:00
parent c3211e559d
commit 8055b6f9c5
1 changed files with 3 additions and 1 deletions
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4
ShellCheck/Analytics.hs
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@ -592,12 +592,14 @@ prop_checkSingleQuotedVariables3a= verifyTree checkSingleQuotedVariables "sed 's
prop_checkSingleQuotedVariables3b= verifyTree checkSingleQuotedVariables "sed 's/$(echo cow)/bar/'"
prop_checkSingleQuotedVariables3c= verifyTree checkSingleQuotedVariables "sed 's/$((1+foo))/bar/'"
prop_checkSingleQuotedVariables4 = verifyNotTree checkSingleQuotedVariables "awk '{print $1}'"
prop_checkSingleQuotedVariables5 = verifyNotTree checkSingleQuotedVariables "trap 'echo $SECONDS' EXIT"
checkSingleQuotedVariables t@(T_SingleQuoted id s) parents =
case matchRegex checkSingleQuotedVariablesRe s of
Just [] -> unless (probablyOk t) $ info id $ "Expressions don't expand in single quotes, use double quotes for that."
_ -> return ()
where
probablyOk t = isParamTo parents "awk" t
probablyOk t =
isParamTo parents "awk" t || isParamTo parents "trap" t
checkSingleQuotedVariables _ _ = return ()
checkSingleQuotedVariablesRe = mkRegex "\\$[{(0-9a-zA-Z_]"