118 lines
2.7 KiB
Haskell
118 lines
2.7 KiB
Haskell
{- git-annex output messages
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-
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- Copyright 2010 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Messages (
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showStart,
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showNote,
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showAction,
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showProgress,
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showSideAction,
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showOutput,
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showLongNote,
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showEndOk,
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showEndFail,
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showEndResult,
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showErr,
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warning,
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indent,
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maybeShowJSON,
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setupConsole
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) where
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import Text.JSON
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import Common
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import Types
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import qualified Annex
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import qualified Messages.JSON as JSON
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showStart :: String -> String -> Annex ()
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showStart command file = handle (JSON.start command file) $
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flushed $ putStr $ command ++ " " ++ file ++ " "
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showNote :: String -> Annex ()
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showNote s = handle (JSON.note s) $
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flushed $ putStr $ "(" ++ s ++ ") "
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showAction :: String -> Annex ()
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showAction s = showNote $ s ++ "..."
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showProgress :: Annex ()
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showProgress = handle q $
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flushed $ putStr "."
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showSideAction :: String -> Annex ()
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showSideAction s = handle q $
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putStrLn $ "(" ++ s ++ "...)"
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showOutput :: Annex ()
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showOutput = handle q $
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putStr "\n"
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showLongNote :: String -> Annex ()
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showLongNote s = handle (JSON.note s) $
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putStrLn $ '\n' : indent s
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showEndOk :: Annex ()
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showEndOk = showEndResult True
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showEndFail :: Annex ()
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showEndFail = showEndResult False
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showEndResult :: Bool -> Annex ()
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showEndResult b = handle (JSON.end b) $ putStrLn msg
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where
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msg
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| b = "ok"
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| otherwise = "failed"
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showErr :: (Show a) => a -> Annex ()
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showErr e = warning' $ "git-annex: " ++ show e
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warning :: String -> Annex ()
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warning w = warning' (indent w)
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warning' :: String -> Annex ()
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warning' w = do
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handle q $ putStr "\n"
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liftIO $ do
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hFlush stdout
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hPutStrLn stderr w
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indent :: String -> String
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indent s = join "\n" $ map (\l -> " " ++ l) $ lines s
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{- By default, haskell honors the user's locale in its output to stdout
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- and stderr. While that's great for proper unicode support, for git-annex
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- all that's really needed is the ability to display simple messages
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- (currently untranslated), and importantly, to display filenames exactly
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- as they are written on disk, no matter what their encoding. So, force
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- raw mode.
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-
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- NB: Once git-annex gets localized, this will need a rethink. -}
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setupConsole :: IO ()
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setupConsole = do
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hSetBinaryMode stdout True
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hSetBinaryMode stderr True
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handle :: IO () -> IO () -> Annex ()
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handle json normal = do
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output <- Annex.getState Annex.output
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case output of
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Annex.NormalOutput -> liftIO normal
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Annex.QuietOutput -> q
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Annex.JSONOutput -> liftIO json
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{- Shows a JSON value only when in json mode. -}
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maybeShowJSON :: JSON a => [(String, a)] -> Annex ()
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maybeShowJSON v = handle (JSON.add v) q
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q :: Monad m => m ()
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q = return ()
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flushed :: IO () -> IO ()
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flushed a = a >> hFlush stdout
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