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