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Suggest quoting expansions in for loop globs

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This commit is contained in:
Vidar Holen
2018-03-24 17:43:20 -07:00
parent c3b606c68a
commit 764b242f1b
3 changed files with 25 additions and 0 deletions
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15
src/ShellCheck/Analytics.hs
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@@ -166,6 +166,7 @@ nodeChecks = [
,checkFlagAsCommand
,checkEmptyCondition
,checkPipeToNowhere
,checkForLoopGlobVariables
]
@@ -2908,5 +2909,19 @@ checkUseBeforeDefinition _ t =
then [x]
else concatMap recursiveSequences list
prop_checkForLoopGlobVariables1 = verify checkForLoopGlobVariables "for i in $var/*.txt; do true; done"
prop_checkForLoopGlobVariables2 = verifyNot checkForLoopGlobVariables "for i in \"$var\"/*.txt; do true; done"
prop_checkForLoopGlobVariables3 = verifyNot checkForLoopGlobVariables "for i in $var; do true; done"
checkForLoopGlobVariables _ t =
case t of
T_ForIn _ _ words _ -> mapM_ check words
_ -> return ()
where
check (T_NormalWord _ parts) =
when (any isGlob parts) $
mapM_ suggest $ filter isQuoteableExpansion parts
suggest t = info (getId t) 2231
"Quote expansions in this for loop glob to prevent wordsplitting, e.g. \"$dir\"/*.txt ."
return []
runTests = $( [| $(forAllProperties) (quickCheckWithResult (stdArgs { maxSuccess = 1 }) ) |])