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Fix bad warning for ${#arr[*]}. Fixes #2218.

This commit is contained in:
Vidar Holen 2021-04-26 10:33:36 -07:00
parent fe25a2b00e
commit 331e89be99
1 changed files with 5 additions and 1 deletions
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6
src/ShellCheck/Analytics.hs
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@ -823,12 +823,16 @@ prop_checkDollarStar3 = verifyNot checkDollarStar "[[ $* = 'a b' ]]"
prop_checkDollarStar4 = verify checkDollarStar "for f in ${var[*]}; do ..; done"
prop_checkDollarStar5 = verify checkDollarStar "ls ${*//foo/bar}"
prop_checkDollarStar6 = verify checkDollarStar "ls ${var[*]%%.*}"
prop_checkDollarStar7 = verify checkDollarStar "ls ${*}"
prop_checkDollarStar8 = verifyNot checkDollarStar "ls ${#*}"
prop_checkDollarStar9 = verify checkDollarStar "ls ${arr[*]}"
prop_checkDollarStar10 = verifyNot checkDollarStar "ls ${#arr[*]}"
checkDollarStar p t@(T_NormalWord _ [T_DollarBraced id _ l])
| not (isStrictlyQuoteFree (parentMap p) t) = do
let str = concat (oversimplify l)
when ("*" `isPrefixOf` str) $
warn id 2048 "Use \"$@\" (with quotes) to prevent whitespace problems."
when ("[*]" `isPrefixOf` (getBracedModifier str)) $
when ("[*]" `isPrefixOf` (getBracedModifier str) && isVariableChar (headOrDefault '!' str)) $
warn id 2048 "Use \"${array[@]}\" (with quotes) to prevent whitespace problems."
checkDollarStar _ _ = return ()