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|
{- git-annex output messages
-
- Copyright 2010-2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Messages (
showStart,
showStart',
showNote,
showAction,
showSideAction,
doSideAction,
doQuietSideAction,
showStoringStateAction,
showOutput,
showLongNote,
showEndOk,
showEndFail,
showEndResult,
showErr,
warning,
warningIO,
indent,
maybeShowJSON,
showFullJSON,
showCustom,
showHeader,
showRaw,
setupConsole,
enableDebugOutput,
disableDebugOutput,
commandProgressDisabled,
) where
import Text.JSON
import System.Log.Logger
import System.Log.Formatter
import System.Log.Handler (setFormatter)
import System.Log.Handler.Simple
import Common
import Types
import Types.Messages
import Messages.Internal
import qualified Messages.JSON as JSON
import Types.Key
import qualified Annex
showStart :: String -> FilePath -> Annex ()
showStart command file = handleMessage (JSON.start command $ Just file) $
flushed $ putStr $ command ++ " " ++ file ++ " "
showStart' :: String -> Key -> Maybe FilePath -> Annex ()
showStart' command key afile = showStart command $
fromMaybe (key2file key) afile
showNote :: String -> Annex ()
showNote s = handleMessage (JSON.note s) $
flushed $ putStr $ "(" ++ s ++ ") "
showAction :: String -> Annex ()
showAction s = showNote $ s ++ "..."
showSideAction :: String -> Annex ()
showSideAction m = Annex.getState Annex.output >>= go
where
go st
| sideActionBlock st == StartBlock = do
p
let st' = st { sideActionBlock = InBlock }
Annex.changeState $ \s -> s { Annex.output = st' }
| sideActionBlock st == InBlock = return ()
| otherwise = p
p = handleMessage q $ putStrLn $ "(" ++ m ++ "...)"
showStoringStateAction :: Annex ()
showStoringStateAction = showSideAction "recording state in git"
{- Performs an action, supressing showSideAction messages. -}
doQuietSideAction :: Annex a -> Annex a
doQuietSideAction = doSideAction' InBlock
{- Performs an action, that may call showSideAction multiple times.
- Only the first will be displayed. -}
doSideAction :: Annex a -> Annex a
doSideAction = doSideAction' StartBlock
doSideAction' :: SideActionBlock -> Annex a -> Annex a
doSideAction' b a = do
o <- Annex.getState Annex.output
set $ o { sideActionBlock = b }
set o `after` a
where
set o = Annex.changeState $ \s -> s { Annex.output = o }
{- Make way for subsequent output of a command. -}
showOutput :: Annex ()
showOutput = unlessM commandProgressDisabled $
handleMessage q $ putStr "\n"
showLongNote :: String -> Annex ()
showLongNote s = handleMessage (JSON.note s) $
putStrLn $ '\n' : indent s
showEndOk :: Annex ()
showEndOk = showEndResult True
showEndFail :: Annex ()
showEndFail = showEndResult False
showEndResult :: Bool -> Annex ()
showEndResult ok = handleMessage (JSON.end ok) $ putStrLn msg
where
msg
| ok = "ok"
| otherwise = "failed"
showErr :: (Show a) => a -> Annex ()
showErr e = warning' $ "git-annex: " ++ show e
warning :: String -> Annex ()
warning = warning' . indent
warning' :: String -> Annex ()
warning' w = do
handleMessage q $ putStr "\n"
liftIO $ do
hFlush stdout
hPutStrLn stderr w
warningIO :: String -> IO ()
warningIO w = do
putStr "\n"
hFlush stdout
hPutStrLn stderr w
indent :: String -> String
indent = intercalate "\n" . map (\l -> " " ++ l) . lines
{- Shows a JSON fragment only when in json mode. -}
maybeShowJSON :: JSON a => [(String, a)] -> Annex ()
maybeShowJSON v = handleMessage (JSON.add v) q
{- Shows a complete JSON value, only when in json mode. -}
showFullJSON :: JSON a => [(String, a)] -> Annex Bool
showFullJSON v = withOutputType $ liftIO . go
where
go JSONOutput = JSON.complete v >> return True
go _ = return False
{- Performs an action that outputs nonstandard/customized output, and
- in JSON mode wraps its output in JSON.start and JSON.end, so it's
- a complete JSON document.
- This is only needed when showStart and showEndOk is not used. -}
showCustom :: String -> Annex Bool -> Annex ()
showCustom command a = do
handleMessage (JSON.start command Nothing) q
r <- a
handleMessage (JSON.end r) q
showHeader :: String -> Annex ()
showHeader h = handleMessage q $
flushed $ putStr $ h ++ ": "
showRaw :: String -> Annex ()
showRaw s = handleMessage q $ putStrLn s
setupConsole :: IO ()
setupConsole = do
s <- setFormatter
<$> streamHandler stderr DEBUG
<*> pure (simpleLogFormatter "[$time] $msg")
updateGlobalLogger rootLoggerName (setLevel NOTICE . setHandlers [s])
{- This avoids ghc's output layer crashing on
- invalid encoded characters in
- filenames when printing them out. -}
fileEncoding stdout
fileEncoding stderr
enableDebugOutput :: IO ()
enableDebugOutput = updateGlobalLogger rootLoggerName $ setLevel DEBUG
disableDebugOutput :: IO ()
disableDebugOutput = updateGlobalLogger rootLoggerName $ setLevel NOTICE
{- Should commands that normally output progress messages have that
- output disabled? -}
commandProgressDisabled :: Annex Bool
commandProgressDisabled = withOutputType $ \t -> return $ case t of
QuietOutput -> True
ProgressOutput -> True
JSONOutput -> True
NormalOutput -> False
|
