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More discriminating error codes

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Vidar Holen
2013-11-14 22:46:09 -08:00
parent 68cc00b6e8
commit 01d557abe6
1 changed files with 6 additions and 3 deletions
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9
shellcheck.hs
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@@ -38,6 +38,9 @@ options = [
printErr = hPutStrLn stderr printErr = hPutStrLn stderr
syntaxFailure = ExitFailure 3
supportFailure = ExitFailure 4
instance JSON ShellCheckComment where instance JSON ShellCheckComment where
showJSON c = makeObj [ showJSON c = makeObj [
("line", showJSON $ scLine c), ("line", showJSON $ scLine c),
@@ -57,11 +60,11 @@ parseArguments argv =
else do else do
printErr "No files specified.\n" printErr "No files specified.\n"
printErr $ usageInfo header options printErr $ usageInfo header options
return $ Nothing exitWith syntaxFailure
(_, _, errors) -> do (_, _, errors) -> do
printErr $ (concat errors) ++ "\n" ++ usageInfo header options printErr $ (concat errors) ++ "\n" ++ usageInfo header options
return Nothing exitWith syntaxFailure
formats = Map.fromList [ formats = Map.fromList [
("json", forJson), ("json", forJson),
@@ -226,7 +229,7 @@ process (Just (options, files)) =
printErr $ "Unknown format " ++ format printErr $ "Unknown format " ++ format
printErr $ "Supported formats:" printErr $ "Supported formats:"
mapM_ (printErr . write) $ Map.keys formats mapM_ (printErr . write) $ Map.keys formats
return False exitWith supportFailure
where write s = " " ++ s where write s = " " ++ s
Just f -> do Just f -> do
f options files f options files