77 lines
2.6 KiB
Haskell
77 lines
2.6 KiB
Haskell
{-# LANGUAGE QuasiQuotes #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-|
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Module : GHCup.Utils.Logger
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Description : logger definition
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Copyright : (c) Julian Ospald, 2020
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License : LGPL-3.0
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Maintainer : hasufell@hasufell.de
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Stability : experimental
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Portability : POSIX
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Here we define our main logger.
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-}
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module GHCup.Utils.Logger where
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import GHCup.Types
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import GHCup.Utils
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import Control.Monad
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import Control.Monad.IO.Class
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import Control.Monad.Reader
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import Control.Monad.Logger
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import HPath
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import HPath.IO
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import Prelude hiding ( appendFile )
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import System.Console.Pretty
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import System.IO.Error
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import qualified Data.ByteString as B
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data LoggerConfig = LoggerConfig
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{ lcPrintDebug :: Bool -- ^ whether to print debug in colorOutter
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, colorOutter :: B.ByteString -> IO () -- ^ how to write the color output
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, rawOutter :: B.ByteString -> IO () -- ^ how to write the full raw output
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}
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myLoggerT :: LoggerConfig -> LoggingT m a -> m a
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myLoggerT LoggerConfig {..} loggingt = runLoggingT loggingt mylogger
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where
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mylogger :: Loc -> LogSource -> LogLevel -> LogStr -> IO ()
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mylogger _ _ level str' = do
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-- color output
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let l = case level of
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LevelDebug -> toLogStr (style Bold $ color Blue "[ Debug ]")
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LevelInfo -> toLogStr (style Bold $ color Green "[ Info ]")
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LevelWarn -> toLogStr (style Bold $ color Yellow "[ Warn ]")
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LevelError -> toLogStr (style Bold $ color Red "[ Error ]")
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LevelOther t -> toLogStr "[ " <> toLogStr t <> toLogStr " ]"
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let out = fromLogStr (l <> toLogStr " " <> str' <> toLogStr "\n")
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when (lcPrintDebug || (lcPrintDebug == False && not (level == LevelDebug)))
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$ colorOutter out
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-- raw output
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let lr = case level of
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LevelDebug -> toLogStr "Debug: "
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LevelInfo -> toLogStr "Info:"
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LevelWarn -> toLogStr "Warn:"
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LevelError -> toLogStr "Error:"
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LevelOther t -> toLogStr t <> toLogStr ":"
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let outr = fromLogStr (lr <> toLogStr " " <> str' <> toLogStr "\n")
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rawOutter outr
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initGHCupFileLogging :: (MonadIO m, MonadReader AppState m) => Path Rel -> m (Path Abs)
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initGHCupFileLogging context = do
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AppState {dirs = Dirs {..}} <- ask
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let logfile = logsDir </> context
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liftIO $ do
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createDirRecursive' logsDir
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hideError doesNotExistErrorType $ deleteFile logfile
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createRegularFile newFilePerms logfile
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pure logfile
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