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Don't warn about disrespected quotes in ${#var}.

This commit is contained in:
Vidar Holen 2015-10-01 18:56:45 -07:00
parent 1181c6b3af
commit 485593da2c
1 changed files with 7 additions and 0 deletions
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7
ShellCheck/Analytics.hs
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@ -2541,6 +2541,7 @@ prop_checkQuotesInLiterals6 = verifyTree checkQuotesInLiterals "param='my\\ file
prop_checkQuotesInLiterals6a= verifyNotTree checkQuotesInLiterals "param='my\\ file'; cmd=\"rm ${#param}\"; $cmd"
prop_checkQuotesInLiterals7 = verifyTree checkQuotesInLiterals "param='my\\ file'; rm $param"
prop_checkQuotesInLiterals8 = verifyTree checkQuotesInLiterals "param=\"/foo/'bar baz'/etc\"; rm $param"
prop_checkQuotesInLiterals9 = verifyNotTree checkQuotesInLiterals "param=\"/foo/'bar baz'/etc\"; rm ${#param}"
checkQuotesInLiterals params t =
doVariableFlowAnalysis readF writeF Map.empty (variableFlow params)
where
@ -2572,12 +2573,18 @@ checkQuotesInLiterals params t =
then return $ getId t
else Nothing
squashesQuotes t =
case t of
T_DollarBraced id _ -> "#" `isPrefixOf` bracedString t
otherwise -> False
readF _ expr name = do
assignment <- getQuotes name
return
(if isJust assignment
&& not (isParamTo parents "eval" expr)
&& not (isQuoteFree parents expr)
&& not (squashesQuotes expr)
then [
makeComment WarningC (fromJust assignment) 2089
"Quotes/backslashes will be treated literally. Use an array.",