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Don't warn for $ on $(( ${array[refs]} ))

This commit is contained in:
Vidar Holen 2013-07-23 21:29:19 -07:00
parent d6dab3bd05
commit b147419717
1 changed files with 3 additions and 2 deletions
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5
ShellCheck/Analytics.hs
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@ -752,11 +752,12 @@ prop_checkArithmeticDeref2 = verify checkArithmeticDeref "cow=14; (( s+= $cow ))
prop_checkArithmeticDeref3 = verifyNot checkArithmeticDeref "cow=1/40; (( s+= ${cow%%/*} ))"
prop_checkArithmeticDeref4 = verifyNot checkArithmeticDeref "(( ! $? ))"
prop_checkArithmeticDeref5 = verifyNot checkArithmeticDeref "(($1))"
prop_checkArithmeticDeref6 = verifyNot checkArithmeticDeref "(( ${a[$i]} ))"
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)
excepting s = (any (`elem` "/.:#%?*@[]") s) || (isDigit $ head s)
checkArithmeticDeref _ = return ()
prop_checkArithmeticBadOctal1 = verify checkArithmeticBadOctal "(( 0192 ))"
@ -1450,7 +1451,7 @@ prop_checkSpacefulnessJ = verifyFull checkSpacefulness "echo $PWD"
checkSpacefulness t =
doVariableFlowAnalysis readF writeF (Map.fromList defaults) t
where
defaults =
defaults =
let values = ["PWD"] ++ (map show [0..10]) in
zip values (repeat True)