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Fix glob range duplicate warning in [!!] (fixes #1706)

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Vidar Holen
2019-09-28 14:03:11 -07:00
parent e01c470598
commit de9ab4e6ef
1 changed files with 7 additions and 1 deletions
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8
src/ShellCheck/Analytics.hs
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@@ -2341,6 +2341,7 @@ prop_checkCharRangeGlob2 = verifyNot checkCharRangeGlob "ls *[[:digit:]].jpg"
prop_checkCharRangeGlob3 = verify checkCharRangeGlob "ls [10-15]"
prop_checkCharRangeGlob4 = verifyNot checkCharRangeGlob "ls [a-zA-Z]"
prop_checkCharRangeGlob5 = verifyNot checkCharRangeGlob "tr -d [a-zA-Z]" -- tr has 2060
prop_checkCharRangeGlob6 = verifyNot checkCharRangeGlob "[[ $x == [!!]* ]]"
checkCharRangeGlob p t@(T_Glob id str) |
isCharClass str && not (isParamTo (parentMap p) "tr" t) =
if ":" `isPrefixOf` contents
@@ -2352,8 +2353,13 @@ checkCharRangeGlob p t@(T_Glob id str) |
info id 2102 "Ranges can only match single chars (mentioned due to duplicates)."
where
isCharClass str = "[" `isPrefixOf` str && "]" `isSuffixOf` str
contents = drop 1 . take (length str - 1) $ str
contents = dropNegation . drop 1 . take (length str - 1) $ str
hasDupes = any (>1) . map length . group . sort . filter (/= '-') $ contents
dropNegation s =
case s of
'!':rest -> rest
'^':rest -> rest
x -> x
checkCharRangeGlob _ _ = return ()