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Recognize `local -x` similarly to `export` (fixes #2069)

This commit is contained in:
Vidar Holen 2020-10-18 15:15:31 -07:00
parent 218deb6d01
commit 8d99926554
2 changed files with 4 additions and 0 deletions
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1
src/ShellCheck/Analytics.hs
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@ -2134,6 +2134,7 @@ prop_checkUnused13= verifyNotTree checkUnusedAssignments "x=(1); (( x[0] ))"
prop_checkUnused14= verifyNotTree checkUnusedAssignments "x=(1); n=0; echo ${x[n]}"
prop_checkUnused15= verifyNotTree checkUnusedAssignments "x=(1); n=0; (( x[n] ))"
prop_checkUnused16= verifyNotTree checkUnusedAssignments "foo=5; declare -x foo"
prop_checkUnused16b= verifyNotTree checkUnusedAssignments "f() { local -x foo; foo=42; bar; }; f"
prop_checkUnused17= verifyNotTree checkUnusedAssignments "read -i 'foo' -e -p 'Input: ' bar; $bar;"
prop_checkUnused18= verifyNotTree checkUnusedAssignments "a=1; arr=( [$a]=42 ); echo \"${arr[@]}\""
prop_checkUnused19= verifyNotTree checkUnusedAssignments "a=1; let b=a+1; echo $b"

3
src/ShellCheck/AnalyzerLib.hs
View File

@ -547,6 +547,9 @@ getReferencedVariableCommand base@(T_SimpleCommand _ _ (T_NormalWord _ (T_Litera
(not $ any (`elem` flags) ["f", "F"])
then concatMap getReference rest
else []
"local" -> if "x" `elem` flags
then concatMap getReference rest
else []
"trap" ->
case rest of
head:_ -> map (\x -> (base, head, x)) $ getVariablesFromLiteralToken head