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Fix SC2164 always saying 'cd' even when using 'pushd'

This commit is contained in:
Vidar Holen 2019-01-20 15:06:33 -08:00
parent 1507e92c44
commit 489c3a4ddf
1 changed files with 7 additions and 5 deletions
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12
src/ShellCheck/Analytics.hs
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@ -2605,15 +2605,17 @@ checkUncheckedCdPushdPopd params root =
[]
else execWriter $ doAnalysis checkElement root
where
checkElement t@T_SimpleCommand {} =
when(name t `elem` ["cd", "pushd", "popd"]
checkElement t@T_SimpleCommand {} = do
let name = getName t
when(name `elem` ["cd", "pushd", "popd"]
&& not (isSafeDir t)
&& not (name t `elem` ["pushd", "popd"] && ("n" `elem` map snd (getAllFlags t)))
&& not (name `elem` ["pushd", "popd"] && ("n" `elem` map snd (getAllFlags t)))
&& not (isCondition $ getPath (parentMap params) t)) $
warnWithFix (getId t) 2164 "Use 'cd ... || exit' or 'cd ... || return' in case cd fails."
warnWithFix (getId t) 2164
("Use '" ++ name ++ " ... || exit' or '" ++ name ++ " ... || return' in case " ++ name ++ " fails.")
(fixWith [replaceEnd (getId t) params 0 " || exit"])
checkElement _ = return ()
name t = fromMaybe "" $ getCommandName t
getName t = fromMaybe "" $ getCommandName t
isSafeDir t = case oversimplify t of
[_, ".."] -> True;
_ -> False