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Fixed message for (($1))

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This commit is contained in:
Vidar Holen 2012-11-30 14:32:20 -08:00
parent 24f91ae711
commit 34259f16db
1 changed files with 5 additions and 1 deletions
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6
ShellCheck/Analytics.hs
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@ -439,8 +439,12 @@ prop_checkArithmeticDeref = verify checkArithmeticDeref "echo $((3+$foo))"
prop_checkArithmeticDeref2 = verify checkArithmeticDeref "cow=14; (( s+= $cow ))"
prop_checkArithmeticDeref3 = verifyNot checkArithmeticDeref "cow=1/40; (( s+= ${cow%%/*} ))"
prop_checkArithmeticDeref4 = verifyNot checkArithmeticDeref "(( ! $? ))"
checkArithmeticDeref (TA_Expansion _ (T_DollarBraced id l)) | not $ any (`elem` "/.:#%?*@") $ bracedString l =
prop_checkArithmeticDeref5 = verifyNot checkArithmeticDeref "(($1))"
checkArithmeticDeref (TA_Expansion _ (T_DollarBraced id l)) | not . excepting $ bracedString l =
style id $ "Don't use $ on variables in (( ))."
where
excepting [] = True
excepting s = (any (`elem` "/.:#%?*@") s) || (isDigit $ head s)
checkArithmeticDeref _ = return ()