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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
{- git-annex command
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Status where
import Control.Monad.State
import qualified Data.Map as M
import qualified Data.Set as S
import Data.Set (Set)
import Common.Annex
import qualified Types.Backend as B
import qualified Types.Remote as R
import qualified Remote
import qualified Command.Unused
import qualified Git
import Command
import Utility.DataUnits
import Annex.Content
import Types.Key
import Backend
import Logs.UUID
import Remote
-- a named computation that produces a statistic
type Stat = StatState (Maybe (String, StatState String))
-- cached info that multiple Stats may need
data StatInfo = StatInfo
{ keysPresentCache :: Maybe (Set Key)
, keysReferencedCache :: Maybe (Set Key)
}
-- a state monad for running Stats in
type StatState = StateT StatInfo Annex
command :: [Command]
command = [repoCommand "status" paramNothing seek
"shows status information about the annex"]
seek :: [CommandSeek]
seek = [withNothing start]
{- Order is significant. Less expensive operations, and operations
- that share data go together.
-}
stats :: [Stat]
stats =
[ supported_backends
, supported_remote_types
, remote_list
, tmp_size
, bad_data_size
, local_annex_keys
, local_annex_size
, total_annex_keys
, total_annex_size
, backend_usage
]
start :: CommandStart
start = do
evalStateT (mapM_ showStat stats) (StatInfo Nothing Nothing)
stop
stat :: String -> StatState String -> Stat
stat desc a = return $ Just (desc, a)
nostat :: Stat
nostat = return Nothing
showStat :: Stat -> StatState ()
showStat s = calc =<< s
where
calc (Just (desc, a)) = do
liftIO $ putStr $ desc ++ ": "
liftIO $ hFlush stdout
liftIO . putStrLn =<< a
calc Nothing = return ()
supported_backends :: Stat
supported_backends = stat "supported backends" $
return $ unwords $ map B.name Backend.list
supported_remote_types :: Stat
supported_remote_types = stat "supported remote types" $
return $ unwords $ map R.typename Remote.remoteTypes
remote_list :: Stat
remote_list = stat "known repositories" $ lift $ do
s <- prettyPrintUUIDs "repos" =<< M.keys <$> uuidMap
return $ '\n':init s
local_annex_size :: Stat
local_annex_size = stat "local annex size" $
keySizeSum <$> cachedKeysPresent
total_annex_size :: Stat
total_annex_size = stat "total annex size" $
keySizeSum <$> cachedKeysReferenced
local_annex_keys :: Stat
local_annex_keys = stat "local annex keys" $
show . S.size <$> cachedKeysPresent
total_annex_keys :: Stat
total_annex_keys = stat "total annex keys" $
show . S.size <$> cachedKeysReferenced
tmp_size :: Stat
tmp_size = staleSize "temporary directory size" gitAnnexTmpDir
bad_data_size :: Stat
bad_data_size = staleSize "bad keys size" gitAnnexBadDir
backend_usage :: Stat
backend_usage = stat "backend usage" $ usage <$> cachedKeysReferenced
where
usage ks = pp "" $ reverse . sort $ map swap $ splits $ S.toList ks
splits :: [Key] -> [(String, Integer)]
splits ks = M.toList $ M.fromListWith (+) $ map tcount ks
tcount k = (keyBackendName k, 1)
swap (a, b) = (b, a)
pp c [] = c
pp c ((n, b):xs) = "\n\t" ++ b ++ ": " ++ show n ++ pp c xs
cachedKeysPresent :: StatState (Set Key)
cachedKeysPresent = do
s <- get
case keysPresentCache s of
Just v -> return v
Nothing -> do
keys <- S.fromList <$> lift getKeysPresent
put s { keysPresentCache = Just keys }
return keys
cachedKeysReferenced :: StatState (Set Key)
cachedKeysReferenced = do
s <- get
case keysReferencedCache s of
Just v -> return v
Nothing -> do
keys <- S.fromList <$> lift Command.Unused.getKeysReferenced
put s { keysReferencedCache = Just keys }
return keys
keySizeSum :: Set Key -> String
keySizeSum s = total ++ missingnote
where
knownsizes = mapMaybe keySize $ S.toList s
total = roughSize storageUnits False $ sum knownsizes
missing = S.size s - genericLength knownsizes
missingnote
| missing == 0 = ""
| otherwise = aside $
"+ " ++ show missing ++
" keys of unknown size"
staleSize :: String -> (Git.Repo -> FilePath) -> Stat
staleSize label dirspec = do
keys <- lift (Command.Unused.staleKeys dirspec)
if null keys
then nostat
else stat label $ do
let s = keySizeSum $ S.fromList keys
return $ s ++ aside "clean up with git-annex unused"
aside :: String -> String
aside s = " (" ++ s ++ ")"
|
