git-annex/Command/Info.hs
2024-08-17 14:54:31 -04:00

862 lines
25 KiB
Haskell

{- git-annex command
-
- Copyright 2011-2024 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE BangPatterns, DeriveDataTypeable, PackageImports #-}
{-# LANGUAGE OverloadedStrings, FlexibleContexts #-}
module Command.Info where
import "mtl" Control.Monad.State.Strict
import qualified Data.Map.Strict as M
import qualified Data.Set as S
import qualified Data.Vector as V
import qualified System.FilePath.ByteString as P
import System.PosixCompat.Files (isDirectory)
import Data.Ord
import qualified Data.Semigroup as Sem
import Prelude
import Command
import qualified Git
import qualified Annex
import qualified Remote
import qualified Types.Remote as Remote
import qualified Annex.SpecialRemote as SpecialRemote
import Utility.DataUnits
import Utility.DiskFree
import Annex.Content
import Annex.UUID
import Annex.CatFile
import Annex.WorkTree
import Logs.UUID
import Logs.Trust
import Logs.Location
import Annex.Branch (UnmergedBranches(..), getUnmergedRefs)
import Annex.NumCopies
import Git.Config (boolConfig)
import qualified Git.LsTree as LsTree
import Utility.Percentage
import Utility.Aeson hiding (json)
import Types.Transfer
import Logs.Transfer
import Types.Key
import Types.TrustLevel
import Types.FileMatcher
import Types.Availability
import qualified Limit
import Messages.JSON (DualDisp(..), ObjectMap(..))
import Annex.BloomFilter
import Annex.RepoSize
import Types.RepoSize
import qualified Command.Unused
import qualified Utility.RawFilePath as R
-- a named computation that produces a statistic
type Stat = StatState (Maybe (String, StatState String))
-- data about a set of keys
data KeyInfo = KeyInfo
{ countKeys :: Integer
, sizeKeys :: Integer
, unknownSizeKeys :: Integer
, backendsKeys :: M.Map KeyVariety Integer
}
instance Sem.Semigroup KeyInfo where
a <> b = KeyInfo
{ countKeys = countKeys a + countKeys b
, sizeKeys = sizeKeys a + sizeKeys b
, unknownSizeKeys = unknownSizeKeys a + unknownSizeKeys b
, backendsKeys = backendsKeys a <> backendsKeys b
}
instance Monoid KeyInfo where
mempty = KeyInfo 0 0 0 M.empty
data NumCopiesStats = NumCopiesStats
{ numCopiesVarianceMap :: M.Map Variance Integer
}
newtype Variance = Variance Int
deriving (Eq, Ord)
instance Show Variance where
show (Variance n)
| n >= 0 = "+" ++ show n
| otherwise = show n
-- cached info that multiple Stats use
data StatInfo = StatInfo
{ presentData :: Maybe KeyInfo
, referencedData :: Maybe KeyInfo
, repoData :: M.Map UUID KeyInfo
, allRepoData :: Maybe KeyInfo
, numCopiesStats :: Maybe NumCopiesStats
, infoOptions :: InfoOptions
}
emptyStatInfo :: InfoOptions -> StatInfo
emptyStatInfo = StatInfo Nothing Nothing M.empty Nothing Nothing
-- a state monad for running Stats in
type StatState = StateT StatInfo Annex
cmd :: Command
cmd = noCommit $ withAnnexOptions [jsonOptions, annexedMatchingOptions] $
command "info" SectionQuery
"information about an item or the repository"
(paramRepeating paramItem) (seek <$$> optParser)
data InfoOptions = InfoOptions
{ infoFor :: CmdParams
, bytesOption :: Bool
, batchOption :: BatchMode
, autoenableOption :: Bool
, deadrepositoriesOption :: Bool
}
optParser :: CmdParamsDesc -> Parser InfoOptions
optParser desc = InfoOptions
<$> cmdParamsWithCompleter desc (completeFiles <> completeRemotes)
<*> switch
( long "bytes"
<> help "display file sizes in bytes"
)
<*> parseBatchOption False
<*> switch
( long "autoenable"
<> help "list special remotes that are configured to autoenable"
)
<*> switch
( long "dead-repositories"
<> help "list repositories that have been marked as dead"
)
seek :: InfoOptions -> CommandSeek
seek o = case batchOption o of
NoBatch -> withWords (commandAction . start o) (infoFor o)
Batch fmt -> batchOnly Nothing (infoFor o) $
batchInput fmt (pure . Right) (itemInfo o)
start :: InfoOptions -> [String] -> CommandStart
start o [] = do
if autoenableOption o
then autoenableInfo
else if deadrepositoriesOption o
then deadrepositoriesInfo o
else globalInfo o
stop
start o ps = do
mapM_ (\p -> itemInfo o (SeekInput [p], p)) ps
stop
globalInfo :: InfoOptions -> Annex ()
globalInfo o = do
u <- getUUID
whenM ((==) DeadTrusted <$> lookupTrust u) $
earlyWarning "Warning: This repository is currently marked as dead."
stats <- selStats global_fast_stats global_slow_stats
showCustom "info" (SeekInput []) $ do
evalStateT (mapM_ showStat stats) (emptyStatInfo o)
return True
autoenableInfo :: Annex ()
autoenableInfo = showCustom "info" (SeekInput []) $ do
m <- SpecialRemote.specialRemoteNameMap
<$> SpecialRemote.autoEnableable
descm <- M.unionWith Remote.addName
<$> uuidDescMap
<*> pure (M.map toUUIDDesc m)
s <- Remote.prettyPrintUUIDsDescs
"autoenable special remotes"
descm (M.keys m)
showRaw (encodeBS s)
return True
deadrepositoriesInfo :: InfoOptions -> Annex ()
deadrepositoriesInfo o = showCustom "info" (SeekInput []) $ do
evalStateT (showStat (repo_list DeadTrusted)) (emptyStatInfo o)
return True
itemInfo :: InfoOptions -> (SeekInput, String) -> Annex ()
itemInfo o (si, p) = ifM (isdir (toRawFilePath p))
( dirInfo o p si
, Remote.byName' p >>= \case
Right r -> remoteInfo o r si
Left _ -> Remote.nameToUUID' p >>= \case
([], _) -> do
relp <- liftIO $ relPathCwdToFile (toRawFilePath p)
lookupKey relp >>= \case
Just k -> fileInfo o (fromRawFilePath relp) si k
Nothing -> treeishInfo o p si
([u], _) -> uuidInfo o u si
(_us, msg) -> noInfo p si msg
)
where
isdir = liftIO . catchBoolIO . (isDirectory <$$> R.getFileStatus)
noInfo :: String -> SeekInput -> String -> Annex ()
noInfo s si msg = do
-- The string may not really be a file, but use ActionItemTreeFile,
-- rather than ActionItemOther to avoid breaking back-compat of
-- json output.
let ai = ActionItemTreeFile (toRawFilePath s)
showStartMessage (StartMessage "info" ai si)
showNote (UnquotedString msg)
showEndFail
Annex.incError
dirInfo :: InfoOptions -> FilePath -> SeekInput -> Annex ()
dirInfo o dir si = showCustom (unwords ["info", dir]) si $ do
stats <- selStats
(tostats (dir_name:tree_fast_stats True))
(tostats tree_slow_stats)
evalStateT (mapM_ showStat stats) =<< getDirStatInfo o dir
return True
where
tostats = map (\s -> s dir)
treeishInfo :: InfoOptions -> String -> SeekInput -> Annex ()
treeishInfo o t si = do
mi <- getTreeStatInfo o (Git.Ref (encodeBS t))
case mi of
Nothing -> noInfo t si
"not a directory or an annexed file or a treeish or a remote or a uuid"
Just i -> showCustom (unwords ["info", t]) si $ do
stats <- selStats
(tostats (tree_name:tree_fast_stats False))
(tostats tree_slow_stats)
evalStateT (mapM_ showStat stats) i
return True
where
tostats = map (\s -> s t)
fileInfo :: InfoOptions -> FilePath -> SeekInput -> Key -> Annex ()
fileInfo o file si k = do
matcher <- Limit.getMatcher
let file' = toRawFilePath file
whenM (matcher $ MatchingFile $ FileInfo file' file' (Just k)) $
showCustom (unwords ["info", file]) si $ do
evalStateT (mapM_ showStat (file_stats file k)) (emptyStatInfo o)
return True
remoteInfo :: InfoOptions -> Remote -> SeekInput -> Annex ()
remoteInfo o r si = showCustom (unwords ["info", Remote.name r]) si $ do
i <- map (\(k, v) -> simpleStat k (pure v)) <$> Remote.getInfo r
let u = Remote.uuid r
l <- selStats
(uuid_fast_stats u ++ remote_fast_stats r ++ i)
(uuid_slow_stats u)
evalStateT (mapM_ showStat l) (emptyStatInfo o)
return True
uuidInfo :: InfoOptions -> UUID -> SeekInput -> Annex ()
uuidInfo o u si = showCustom (unwords ["info", fromUUID u]) si $ do
l <- selStats (uuid_fast_stats u) (uuid_slow_stats u)
evalStateT (mapM_ showStat l) (emptyStatInfo o)
return True
selStats :: [Stat] -> [Stat] -> Annex [Stat]
selStats fast_stats slow_stats = do
fast <- Annex.getRead Annex.fast
return $ if fast
then fast_stats
else fast_stats ++ slow_stats
{- Order is significant. Less expensive operations, and operations
- that share data go together.
-}
global_fast_stats :: [Stat]
global_fast_stats =
[ repo_list Trusted
, repo_list SemiTrusted
, repo_list UnTrusted
, transfer_list
, disk_size
]
global_slow_stats :: [Stat]
global_slow_stats =
[ tmp_size
, bad_data_size
, local_annex_keys
, local_annex_size
, known_annex_files True
, known_annex_size True
, total_annex_size
, reposizes_stats_global
, backend_usage
, bloom_info
]
tree_fast_stats :: Bool -> [FilePath -> Stat]
tree_fast_stats isworktree =
[ const local_annex_keys
, const local_annex_size
, const (known_annex_files isworktree)
, const (known_annex_size isworktree)
]
tree_slow_stats :: [FilePath -> Stat]
tree_slow_stats =
[ const numcopies_stats
, const reposizes_stats_tree
, const reposizes_total
]
file_stats :: FilePath -> Key -> [Stat]
file_stats f k =
[ file_name f
, key_size k
, key_name k
, content_present k
]
remote_fast_stats :: Remote -> [Stat]
remote_fast_stats r = map (\s -> s r)
[ remote_name
, remote_cost
, remote_type
, remote_availabile
]
uuid_fast_stats :: UUID -> [Stat]
uuid_fast_stats u = map (\s -> s u)
[ repo_uuid
, repo_description
, repo_trust
]
uuid_slow_stats :: UUID -> [Stat]
uuid_slow_stats u = map (\s -> s u)
[ repo_annex_keys
, repo_annex_size
]
stat :: String -> (String -> StatState String) -> Stat
stat desc a = return $ Just (desc, a desc)
-- The json simply contains the same string that is displayed.
simpleStat :: String -> StatState String -> Stat
simpleStat desc getval = stat desc $ json id getval
nostat :: Stat
nostat = return Nothing
json :: ToJSON' j => (j -> String) -> StatState j -> String -> StatState String
json fmt a desc = do
j <- a
lift $ maybeShowJSON $ JSONChunk [(desc, j)]
return $ fmt j
nojson :: StatState String -> String -> StatState String
nojson a _ = a
showStat :: Stat -> StatState ()
showStat s = maybe noop calc =<< s
where
calc (desc, a) = do
(lift . showHeader . encodeBS) desc
lift . showRaw . encodeBS =<< a
repo_list :: TrustLevel -> Stat
repo_list level = stat n $ nojson $ lift $ do
us <- filter (/= NoUUID) . M.keys
<$> (M.union <$> (M.map fromUUIDDesc <$> uuidDescMap) <*> Remote.remoteMap Remote.name)
rs <- fst <$> trustPartition level us
countRepoList (length rs)
-- This also handles json display.
<$> Remote.prettyPrintUUIDs n rs
where
n = showTrustLevel level ++ " repositories"
countRepoList :: Int -> String -> String
countRepoList _ [] = "0"
countRepoList n s = show n ++ "\n" ++ beginning s
dispRepoList :: String -> String
dispRepoList [] = ""
dispRepoList s = "\n" ++ beginning s
dir_name :: FilePath -> Stat
dir_name dir = simpleStat "directory" $ pure dir
tree_name :: String -> Stat
tree_name t = simpleStat "tree" $ pure t
file_name :: FilePath -> Stat
file_name file = simpleStat "file" $ pure file
remote_name :: Remote -> Stat
remote_name r = simpleStat "remote" $ pure (Remote.name r)
repo_description :: UUID -> Stat
repo_description = simpleStat "description" . lift . Remote.prettyUUID
repo_uuid :: UUID -> Stat
repo_uuid = simpleStat "uuid" . pure . fromUUID
repo_trust :: UUID -> Stat
repo_trust u = simpleStat "trust" $ lift $ showTrustLevel <$> lookupTrust u
remote_cost :: Remote -> Stat
remote_cost r = simpleStat "cost" $ pure $
show $ Remote.cost r
remote_type :: Remote -> Stat
remote_type r = simpleStat "type" $ pure $
Remote.typename $ Remote.remotetype r
remote_availabile :: Remote -> Stat
remote_availabile r = simpleStat "available" $ lift $
either show (\av -> boolConfig (av /= Unavailable))
<$> tryNonAsync (Remote.availability r)
local_annex_keys :: Stat
local_annex_keys = stat "local annex keys" $ json show $
countKeys <$> cachedPresentData
local_annex_size :: Stat
local_annex_size = simpleStat "local annex size" $
showSizeKeys =<< cachedPresentData
-- "remote" is in the name for JSON backwards-compatibility
repo_annex_keys :: UUID -> Stat
repo_annex_keys u = stat "remote annex keys" $ \d ->
cachedRemoteData u >>= \case
Right rd -> json show (pure (countKeys rd)) d
Left n-> json id (pure n) d
-- "remote" is in the name for JSON backwards-compatibility
repo_annex_size :: UUID -> Stat
repo_annex_size u = simpleStat "remote annex size" $
cachedRemoteData u >>= \case
Right d -> showSizeKeys d
Left n -> pure n
known_annex_files :: Bool -> Stat
known_annex_files isworktree =
stat ("annexed files in " ++ treeDesc isworktree) $ json show $
countKeys <$> cachedReferencedData
known_annex_size :: Bool -> Stat
known_annex_size isworktree =
simpleStat ("size of annexed files in " ++ treeDesc isworktree) $
showSizeKeys =<< cachedReferencedData
total_annex_size :: Stat
total_annex_size =
simpleStat "combined annex size of all repositories" $
showSizeKeys . fromMaybe mempty . allRepoData
=<< cachedAllRepoData
treeDesc :: Bool -> String
treeDesc True = "working tree"
treeDesc False = "tree"
tmp_size :: Stat
tmp_size = staleSize "temporary object directory size" gitAnnexTmpObjectDir
bad_data_size :: Stat
bad_data_size = staleSize "bad keys size" gitAnnexBadDir
key_size :: Key -> Stat
key_size k = simpleStat "size" $ showSizeKeys $ addKey k emptyKeyInfo
key_name :: Key -> Stat
key_name k = simpleStat "key" $ pure $ serializeKey k
content_present :: Key -> Stat
content_present k = stat "present" $ json boolConfig $ lift $ inAnnex k
bloom_info :: Stat
bloom_info = simpleStat "bloom filter size" $ do
localkeys <- countKeys <$> cachedPresentData
capacity <- fromIntegral <$> lift bloomCapacity
let note = aside $
if localkeys >= capacity
then "appears too small for this repository; adjust annex.bloomcapacity"
else showPercentage 1 (percentage capacity localkeys) ++ " full"
-- Two bloom filters are used at the same time when running
-- git-annex unused, so double the size of one.
sizer <- mkSizer
size <- sizer committeeUnits False . (* 2) . fromIntegral . fst <$>
lift bloomBitsHashes
return $ size ++ note
transfer_list :: Stat
transfer_list = stat desc $ nojson $ lift $ do
uuidmap <- Remote.remoteMap id
ts <- getTransfers
maybeShowJSON $ JSONChunk [(desc, V.fromList $ map (uncurry jsonify) ts)]
qp <- coreQuotePath <$> Annex.getGitConfig
return $ if null ts
then "none"
else multiLine $
map (uncurry $ line qp uuidmap) $ sort ts
where
desc = "transfers in progress"
line qp uuidmap t i = unwords
[ fromRawFilePath (formatDirection (transferDirection t)) ++ "ing"
, fromRawFilePath $ quote qp $ actionItemDesc $ mkActionItem
(transferKey t, associatedFile i)
, if transferDirection t == Upload then "to" else "from"
, maybe (fromUUID $ transferUUID t) Remote.name $
M.lookup (transferUUID t) uuidmap
]
jsonify t i = object $ map (\(k, v) -> (textKey (packString k), v)) $
[ ("transfer", toJSON' (formatDirection (transferDirection t)))
, ("key", toJSON' (transferKey t))
, ("file", toJSON' (fromRawFilePath <$> afile))
, ("remote", toJSON' (fromUUID (transferUUID t) :: String))
]
where
AssociatedFile afile = associatedFile i
disk_size :: Stat
disk_size = simpleStat "available local disk space" $
calcfree
<$> (lift $ annexDiskReserve <$> Annex.getGitConfig)
<*> (lift $ inRepo $ getDiskFree . fromRawFilePath . gitAnnexDir)
<*> mkSizer
where
calcfree reserve (Just have) sizer = unwords
[ sizer storageUnits False $ nonneg $ have - reserve
, "(+" ++ sizer storageUnits False reserve
, "reserved)"
]
calcfree _ _ _ = "unknown"
nonneg x
| x >= 0 = x
| otherwise = 0
backend_usage :: Stat
backend_usage = stat "backend usage" $ json fmt $
ObjectMap . (M.mapKeys (decodeBS . formatKeyVariety)) . backendsKeys
<$> cachedReferencedData
where
fmt = multiLine . map (\(b, n) -> b ++ ": " ++ show n) . sort . M.toList . fromObjectMap
numcopies_stats :: Stat
numcopies_stats = stat "numcopies stats" $ json fmt $
calc <$> (maybe M.empty numCopiesVarianceMap <$> cachedNumCopiesStats)
where
calc = V.fromList
. map (\(variance, count) -> (show variance, count))
. sortBy (flip (comparing fst))
. M.toList
fmt = multiLine
. map (\(variance, count) -> "numcopies " ++ variance ++ ": " ++ show count)
. V.toList
reposizes_stats_tree :: Stat
reposizes_stats_tree = reposizes_stats True "repositories containing these files"
=<< cachedRepoData
reposizes_stats_global :: Stat
reposizes_stats_global = reposizes_stats False "annex sizes of repositories"
. repoData =<< cachedAllRepoData
reposizes_stats :: Bool -> String -> M.Map UUID KeyInfo -> Stat
reposizes_stats count desc m = stat desc $ nojson $ do
sizer <- mkSizer
let l = map (\(u, kd) -> (u, sizer storageUnits True (sizeKeys kd))) $
sortBy (flip (comparing (sizeKeys . snd))) $
M.toList m
let maxlen = maximum (map (length . snd) l)
descm <- lift Remote.uuidDescriptions
-- This also handles json display.
s <- lift $ Remote.prettyPrintUUIDsWith (Just "size") desc descm (Just . show) $
map (\(u, sz) -> (u, Just $ mkdisp sz maxlen)) l
return $ if count
then countRepoList (length l) s
else dispRepoList s
where
mkdisp sz maxlen = DualDisp
{ dispNormal = lpad maxlen sz
, dispJson = sz
}
lpad n s = (replicate (n - length s) ' ') ++ s
reposizes_total :: Stat
reposizes_total = simpleStat "combined size of repositories containing these files" $
showSizeKeys . mconcat . M.elems =<< cachedRepoData
cachedPresentData :: StatState KeyInfo
cachedPresentData = do
s <- get
case presentData s of
Just v -> return v
Nothing -> do
matcher <- lift getKeyOnlyMatcher
v <- foldl' (flip addKey) emptyKeyInfo
<$> lift (listKeys' InAnnex (matchOnKey matcher))
put s { presentData = Just v }
return v
cachedRemoteData :: UUID -> StatState (Either String KeyInfo)
cachedRemoteData u = do
s <- get
case M.lookup u (repoData s) of
Just v -> return (Right v)
Nothing -> do
matcher <- lift getKeyOnlyMatcher
let combinedata d uk = finishCheck uk >>= \case
Nothing -> return d
Just k -> ifM (matchOnKey matcher k)
( return (addKey k d)
, return d
)
lift (loggedKeysFor' u) >>= \case
Just (ks, cleanup) -> do
v <- lift $ foldM combinedata emptyKeyInfo ks
liftIO $ void cleanup
put s { repoData = M.insert u v (repoData s) }
return (Right v)
Nothing -> return (Left "not available in this read-only repository with unmerged git-annex branches")
cachedReferencedData :: StatState KeyInfo
cachedReferencedData = do
s <- get
case referencedData s of
Just v -> return v
Nothing -> do
matcher <- lift getKeyOnlyMatcher
let combinedata k _f d = ifM (matchOnKey matcher k)
( return (addKey k d)
, return d
)
!v <- lift $ Command.Unused.withKeysReferenced
emptyKeyInfo combinedata
put s { referencedData = Just v }
return v
cachedAllRepoData :: StatState StatInfo
cachedAllRepoData = do
s <- get
case allRepoData s of
Just _ -> return s
Nothing -> do
s' <- ifM (lift Limit.limited)
( limitedcalc s
, usereposizes s
)
put s'
return s'
where
usereposizes s = do
sizemap <- lift $ getRepoSizes True
deadset <- lift $ S.fromList <$> trustGet DeadTrusted
let sizemap' = M.withoutKeys sizemap deadset
lift $ unlessM (null <$> getUnmergedRefs)
warnunmerged
return $ s
{ allRepoData = Just $
convsize (sum (M.elems sizemap'))
, repoData = M.map convsize sizemap'
}
limitedcalc s = do
matcher <- lift getKeyOnlyMatcher
r <- lift $ overLocationLogs False False (emptyKeyInfo, mempty) $ \k locs (d, rd) -> do
ifM (matchOnKey matcher k)
( do
alivelocs <- snd
<$> trustPartition DeadTrusted locs
let !d' = addKeyCopies (genericLength alivelocs) k d
let !rd' = foldl' (flip (accumrepodata k)) rd alivelocs
return (d', rd')
, return (d, rd)
)
(!(d, rd), _) <- case r of
NoUnmergedBranches v ->
return v
UnmergedBranches v -> do
lift warnunmerged
return v
return $ s { allRepoData = Just d, repoData = rd }
accumrepodata k = M.alter (Just . addKey k . fromMaybe emptyKeyInfo)
convsize (RepoSize sz) = emptyKeyInfo { sizeKeys = sz }
warnunmerged = warning "There are unmerged git-annex branches. Information from those branches is not included here."
cachedNumCopiesStats :: StatState (Maybe NumCopiesStats)
cachedNumCopiesStats = numCopiesStats <$> get
cachedRepoData :: StatState (M.Map UUID KeyInfo)
cachedRepoData = repoData <$> get
getDirStatInfo :: InfoOptions -> FilePath -> Annex StatInfo
getDirStatInfo o dir = do
fast <- Annex.getRead Annex.fast
matcher <- Limit.getMatcher
(presentdata, referenceddata, numcopiesstats, repodata) <-
Command.Unused.withKeysFilesReferencedIn dir initial
(update matcher fast)
return $ StatInfo
(Just presentdata)
(Just referenceddata)
repodata
Nothing
(Just numcopiesstats)
o
where
initial = (emptyKeyInfo, emptyKeyInfo, emptyNumCopiesStats, M.empty)
update matcher fast key file vs@(presentdata, referenceddata, numcopiesstats, repodata) =
ifM (matcher $ MatchingFile $ FileInfo file file (Just key))
( do
!presentdata' <- ifM (inAnnex key)
( return $ addKey key presentdata
, return presentdata
)
let !referenceddata' = addKey key referenceddata
(!numcopiesstats', !repodata') <- if fast
then return (numcopiesstats, repodata)
else do
locs <- Remote.keyLocations key
nc <- updateNumCopiesStats file numcopiesstats locs
return (nc, updateRepoData key locs repodata)
return $! (presentdata', referenceddata', numcopiesstats', repodata')
, return vs
)
getTreeStatInfo :: InfoOptions -> Git.Ref -> Annex (Maybe StatInfo)
getTreeStatInfo o r = do
fast <- Annex.getRead Annex.fast
-- git lstree filenames start with a leading "./" that prevents
-- matching, and also things like --include are supposed to
-- match relative to the current directory, which does not make
-- sense when matching against files in some arbitrary tree.
matcher <- getKeyOnlyMatcher
(ls, cleanup) <- inRepo $ LsTree.lsTree
LsTree.LsTreeRecursive
(LsTree.LsTreeLong False)
r
(presentdata, referenceddata, repodata) <- go fast matcher ls initial
ifM (liftIO cleanup)
( return $ Just $
StatInfo (Just presentdata) (Just referenceddata) repodata Nothing Nothing o
, return Nothing
)
where
initial = (emptyKeyInfo, emptyKeyInfo, M.empty)
go _ _ [] vs = return vs
go fast matcher (l:ls) vs@(presentdata, referenceddata, repodata) =
catKey (LsTree.sha l) >>= \case
Nothing -> go fast matcher ls vs
Just key -> ifM (matchOnKey matcher key)
( do
!presentdata' <- ifM (inAnnex key)
( return $ addKey key presentdata
, return presentdata
)
let !referenceddata' = addKey key referenceddata
!repodata' <- if fast
then return repodata
else do
locs <- Remote.keyLocations key
return (updateRepoData key locs repodata)
go fast matcher ls $! (presentdata', referenceddata', repodata')
, go fast matcher ls vs
)
emptyKeyInfo :: KeyInfo
emptyKeyInfo = KeyInfo 0 0 0 M.empty
emptyNumCopiesStats :: NumCopiesStats
emptyNumCopiesStats = NumCopiesStats M.empty
addKey :: Key -> KeyInfo -> KeyInfo
addKey = addKeyCopies 1
addKeyCopies :: Integer -> Key -> KeyInfo -> KeyInfo
addKeyCopies numcopies key (KeyInfo count size unknownsize backends) =
KeyInfo count' size' unknownsize' backends'
where
{- All calculations strict to avoid thunks when repeatedly
- applied to many keys. -}
!count' = count + 1
!backends' = M.insertWith (+) (fromKey keyVariety key) 1 backends
!size' = maybe size (\sz -> sz * numcopies + size) ks
!unknownsize' = maybe (unknownsize + 1) (const unknownsize) ks
!ks = fromKey keySize key
updateRepoData :: Key -> [UUID] -> M.Map UUID KeyInfo -> M.Map UUID KeyInfo
updateRepoData key locs m = m'
where
!m' = M.unionWith (\_old new -> new) m $
M.fromList $ zip locs (map update locs)
update loc = addKey key (fromMaybe emptyKeyInfo $ M.lookup loc m)
updateNumCopiesStats :: RawFilePath -> NumCopiesStats -> [UUID] -> Annex NumCopiesStats
updateNumCopiesStats file (NumCopiesStats m) locs = do
have <- trustExclude UnTrusted locs
!variance <- Variance <$> numCopiesCheck' file (-) have
let !m' = M.insertWith (+) variance 1 m
let !ret = NumCopiesStats m'
return ret
showSizeKeys :: KeyInfo -> StatState String
showSizeKeys d = do
sizer <- mkSizer
return $ total sizer ++ missingnote
where
total sizer = sizer storageUnits False $ sizeKeys d
missingnote
| unknownSizeKeys d == 0 = ""
| otherwise = aside $
"+ " ++ show (unknownSizeKeys d) ++
" unknown size"
staleSize :: String -> (Git.Repo -> RawFilePath) -> Stat
staleSize label dirspec = go =<< lift (dirKeys dirspec)
where
go [] = nostat
go keys = onsize =<< sum <$> keysizes keys
onsize 0 = nostat
onsize size = stat label $
json (++ aside "clean up with git-annex unused") $ do
sizer <- mkSizer
return $ sizer storageUnits False size
keysizes keys = do
dir <- lift $ fromRepo dirspec
liftIO $ forM keys $ \k ->
catchDefaultIO 0 $ getFileSize (dir P.</> keyFile k)
aside :: String -> String
aside s = " (" ++ s ++ ")"
multiLine :: [String] -> String
multiLine = concatMap (\l -> "\n\t" ++ l)
mkSizer :: StatState ([Unit] -> Bool -> ByteSize -> String)
mkSizer = ifM (bytesOption . infoOptions <$> get)
( return (const $ const show)
, return roughSize
)
getKeyOnlyMatcher :: Annex (MatchInfo -> Annex Bool)
getKeyOnlyMatcher = do
whenM (Limit.introspect matchNeedsFileName) $ do
warning "File matching options cannot be applied when getting this info."
giveup "Unable to continue."
Limit.getMatcher
matchOnKey :: (MatchInfo -> Annex Bool) -> Key -> Annex Bool
matchOnKey matcher k = matcher $ MatchingInfo $ ProvidedInfo
{ providedFilePath = Nothing
, providedKey = Just k
, providedFileSize = Nothing
, providedMimeType = Nothing
, providedMimeEncoding = Nothing
, providedLinkType = Nothing
}