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31 lines
861 B
Haskell
31 lines
861 B
Haskell
module Sugar where
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import Pure (kill)
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import Types (Status(..))
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import System.Exit (ExitCode(ExitFailure), exitWith)
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import System.Process (readProcess)
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import Control.Exception (SomeException, catch)
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throw :: (Monoid m) => SomeException -> IO m
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throw e = print e >> return mempty
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continue :: (Status s) => s -> IO () -> IO ()
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continue e err = (putStrLn . disp) e >> err
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failure :: SomeException -> IO ()
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failure = print
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destruct :: (Status s) => s -> IO () -> IO () -> IO ()
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destruct status success unsuccessful
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| ok status = success
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| otherwise = continue status unsuccessful
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crash :: IO ()
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crash = (exitWith . ExitFailure) 1
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exec :: String -> (SomeException -> IO String) -> IO String
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exec cmd = catch (readProcess "bash" ["-c", cmd] "")
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killall :: [String] -> [IO String]
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killall = map (dispatch . kill) where dispatch cmd = exec cmd throw
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