1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
{- git-annex output messages
-
- Copyright 2010-2011 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,
showFullJSON,
showCustom,
showHeader,
showRaw,
setupConsole
) where
import Text.JSON
import Common
import Types
import qualified Annex
import qualified Messages.JSON as JSON
showStart :: String -> String -> Annex ()
showStart command file = handle (JSON.start command $ Just file) $
flushed $ putStr $ command ++ " " ++ file ++ " "
showNote :: String -> Annex ()
showNote s = handle (JSON.note s) $
flushed $ putStr $ "(" ++ s ++ ") "
showAction :: String -> Annex ()
showAction s = showNote $ s ++ "..."
showProgress :: Annex ()
showProgress = handle q $
flushed $ putStr "."
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) $
putStrLn $ '\n' : indent s
showEndOk :: Annex ()
showEndOk = showEndResult True
showEndFail :: Annex ()
showEndFail = showEndResult False
showEndResult :: Bool -> Annex ()
showEndResult ok = handle (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
handle q $ putStr "\n"
liftIO $ do
hFlush stdout
hPutStrLn stderr w
indent :: String -> String
indent = join "\n" . map (\l -> " " ++ l) . lines
{- Shows a JSON fragment only when in json mode. -}
maybeShowJSON :: JSON a => [(String, a)] -> Annex ()
maybeShowJSON v = handle (JSON.add v) q
{- Shows a complete JSON value, only when in json mode. -}
showFullJSON :: JSON a => [(String, a)] -> Annex Bool
showFullJSON v = Annex.getState Annex.output >>= liftIO . go
where
go Annex.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
handle (JSON.start command Nothing) q
r <- a
handle (JSON.end r) q
showHeader :: String -> Annex ()
showHeader h = handle q $
flushed $ putStr $ h ++ ": "
showRaw :: String -> Annex ()
showRaw s = handle q $ putStrLn s
{- This avoids ghc's output layer crashing on invalid encoded characters in
- filenames when printing them out.
-}
setupConsole :: IO ()
setupConsole = do
fileEncoding stdout
fileEncoding stderr
handle :: IO () -> IO () -> Annex ()
handle json normal = Annex.getState Annex.output >>= go
where
go Annex.NormalOutput = liftIO normal
go Annex.QuietOutput = q
go Annex.JSONOutput = liftIO $ flushed json
q :: Monad m => m ()
q = return ()
flushed :: IO () -> IO ()
flushed a = a >> hFlush stdout
|
