d675f1c82e
Left out the backend usage graph for now, and bad/temp directory sizes are only displayed when present. Also, disk usage is returned as a string with units, which I can see changing later.
138 lines
3.2 KiB
Haskell
138 lines
3.2 KiB
Haskell
{- git-annex output messages
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-
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- Copyright 2010-2011 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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showCustom,
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showHeader,
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showRaw,
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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 $ Just 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 ok = handle (JSON.end ok) $ putStrLn msg
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where
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msg
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| ok = "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 = warning' . indent
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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 = join "\n" . map (\l -> " " ++ l) . lines
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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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{- Performs an action that outputs nonstandard/customized output, and
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- in JSON mode wraps its output in JSON.start and JSON.end, so it's
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- a complete JSON document.
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- This is only needed when showStart and showEndOk is not used. -}
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showCustom :: String -> Annex Bool -> Annex ()
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showCustom command a = do
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handle (JSON.start command Nothing) q
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r <- a
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handle (JSON.end r) q
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showHeader :: String -> Annex ()
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showHeader h = handle q $
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flushed $ putStr $ h ++ ": "
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showRaw :: String -> Annex ()
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showRaw s = handle q $ putStrLn 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 = Annex.getState Annex.output >>= go
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where
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go Annex.NormalOutput = liftIO normal
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go Annex.QuietOutput = q
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go Annex.JSONOutput = liftIO json
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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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