870873bdaa
I've eyeballed all --json commands, and the only difference should be that some fields are re-ordered.
593 lines
16 KiB
Haskell
593 lines
16 KiB
Haskell
{- git-annex command
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-
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- Copyright 2011-2014 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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{-# LANGUAGE BangPatterns, DeriveDataTypeable #-}
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module Command.Info where
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import "mtl" Control.Monad.State.Strict
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import qualified Data.Map.Strict as M
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import qualified Data.Text as T
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import Data.Ord
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import Data.Aeson hiding (json)
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import Command
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import qualified Git
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import qualified Annex
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import qualified Remote
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import qualified Types.Remote as Remote
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import Utility.DataUnits
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import Utility.DiskFree
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import Annex.Content
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import Annex.UUID
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import Logs.UUID
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import Logs.Trust
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import Logs.Location
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import Annex.NumCopies
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import Remote
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import Config
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import Utility.Percentage
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import Logs.Transfer
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import Types.TrustLevel
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import Types.FileMatcher
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import qualified Limit
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import Messages.JSON (DualDisp(..), ObjectMap(..))
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import Annex.BloomFilter
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import qualified Command.Unused
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-- a named computation that produces a statistic
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type Stat = StatState (Maybe (String, StatState String))
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-- data about a set of keys
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data KeyData = KeyData
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{ countKeys :: Integer
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, sizeKeys :: Integer
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, unknownSizeKeys :: Integer
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, backendsKeys :: M.Map String Integer
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}
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data NumCopiesStats = NumCopiesStats
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{ numCopiesVarianceMap :: M.Map Variance Integer
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}
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newtype Variance = Variance Int
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deriving (Eq, Ord)
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instance Show Variance where
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show (Variance n)
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| n >= 0 = "+" ++ show n
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| otherwise = show n
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-- cached info that multiple Stats use
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data StatInfo = StatInfo
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{ presentData :: Maybe KeyData
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, referencedData :: Maybe KeyData
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, repoData :: M.Map UUID KeyData
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, numCopiesStats :: Maybe NumCopiesStats
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, infoOptions :: InfoOptions
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}
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emptyStatInfo :: InfoOptions -> StatInfo
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emptyStatInfo = StatInfo Nothing Nothing M.empty Nothing
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-- a state monad for running Stats in
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type StatState = StateT StatInfo Annex
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cmd :: Command
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cmd = noCommit $ withGlobalOptions (jsonOption : annexedMatchingOptions) $
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command "info" SectionQuery
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"shows information about the specified item or the repository as a whole"
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(paramRepeating paramItem) (seek <$$> optParser)
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data InfoOptions = InfoOptions
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{ infoFor :: CmdParams
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, bytesOption :: Bool
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, batchOption :: BatchMode
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}
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optParser :: CmdParamsDesc -> Parser InfoOptions
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optParser desc = InfoOptions
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<$> cmdParams desc
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<*> switch
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( long "bytes"
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<> help "display file sizes in bytes"
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)
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<*> parseBatchOption
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seek :: InfoOptions -> CommandSeek
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seek o = case batchOption o of
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NoBatch -> withWords (start o) (infoFor o)
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Batch -> batchInput Right (itemInfo o)
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start :: InfoOptions -> [String] -> CommandStart
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start o [] = do
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globalInfo o
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stop
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start o ps = do
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mapM_ (itemInfo o) ps
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stop
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globalInfo :: InfoOptions -> Annex ()
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globalInfo o = do
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u <- getUUID
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whenM ((==) DeadTrusted <$> lookupTrust u) $
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earlyWarning "Warning: This repository is currently marked as dead."
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stats <- selStats global_fast_stats global_slow_stats
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showCustom "info" $ do
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evalStateT (mapM_ showStat stats) (emptyStatInfo o)
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return True
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itemInfo :: InfoOptions -> String -> Annex ()
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itemInfo o p = ifM (isdir p)
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( dirInfo o p
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, do
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v <- Remote.byName' p
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case v of
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Right r -> remoteInfo o r
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Left _ -> do
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v' <- Remote.nameToUUID' p
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case v' of
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Right u -> uuidInfo o u
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Left _ -> ifAnnexed p
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(fileInfo o p)
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(noInfo p)
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)
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where
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isdir = liftIO . catchBoolIO . (isDirectory <$$> getFileStatus)
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noInfo :: String -> Annex ()
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noInfo s = do
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showStart "info" s
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showNote $ "not a directory or an annexed file or a remote or a uuid"
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showEndFail
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dirInfo :: InfoOptions -> FilePath -> Annex ()
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dirInfo o dir = showCustom (unwords ["info", dir]) $ do
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stats <- selStats (tostats dir_fast_stats) (tostats dir_slow_stats)
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evalStateT (mapM_ showStat stats) =<< getDirStatInfo o dir
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return True
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where
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tostats = map (\s -> s dir)
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fileInfo :: InfoOptions -> FilePath -> Key -> Annex ()
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fileInfo o file k = showCustom (unwords ["info", file]) $ do
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evalStateT (mapM_ showStat (file_stats file k)) (emptyStatInfo o)
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return True
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remoteInfo :: InfoOptions -> Remote -> Annex ()
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remoteInfo o r = showCustom (unwords ["info", Remote.name r]) $ do
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i <- map (\(k, v) -> simpleStat k (pure v)) <$> Remote.getInfo r
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l <- selStats (remote_fast_stats r ++ i) (uuid_slow_stats (Remote.uuid r))
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evalStateT (mapM_ showStat l) (emptyStatInfo o)
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return True
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uuidInfo :: InfoOptions -> UUID -> Annex ()
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uuidInfo o u = showCustom (unwords ["info", fromUUID u]) $ do
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l <- selStats [] ((uuid_slow_stats u))
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evalStateT (mapM_ showStat l) (emptyStatInfo o)
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return True
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selStats :: [Stat] -> [Stat] -> Annex [Stat]
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selStats fast_stats slow_stats = do
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fast <- Annex.getState Annex.fast
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return $ if fast
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then fast_stats
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else fast_stats ++ slow_stats
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{- Order is significant. Less expensive operations, and operations
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- that share data go together.
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-}
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global_fast_stats :: [Stat]
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global_fast_stats =
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[ repository_mode
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, repo_list Trusted
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, repo_list SemiTrusted
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, repo_list UnTrusted
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, transfer_list
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, disk_size
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]
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global_slow_stats :: [Stat]
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global_slow_stats =
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[ tmp_size
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, bad_data_size
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, local_annex_keys
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, local_annex_size
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, known_annex_files
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, known_annex_size
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, bloom_info
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, backend_usage
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]
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dir_fast_stats :: [FilePath -> Stat]
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dir_fast_stats =
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[ dir_name
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, const local_annex_keys
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, const local_annex_size
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, const known_annex_files
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, const known_annex_size
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]
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dir_slow_stats :: [FilePath -> Stat]
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dir_slow_stats =
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[ const numcopies_stats
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, const reposizes_stats
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]
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file_stats :: FilePath -> Key -> [Stat]
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file_stats f k =
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[ file_name f
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, key_size k
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, key_name k
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]
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remote_fast_stats :: Remote -> [Stat]
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remote_fast_stats r = map (\s -> s r)
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[ remote_name
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, remote_description
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, remote_uuid
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, remote_trust
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, remote_cost
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, remote_type
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]
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uuid_slow_stats :: UUID -> [Stat]
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uuid_slow_stats u = map (\s -> s u)
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[ remote_annex_keys
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, remote_annex_size
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]
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stat :: String -> (String -> StatState String) -> Stat
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stat desc a = return $ Just (desc, a desc)
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-- The json simply contains the same string that is displayed.
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simpleStat :: String -> StatState String -> Stat
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simpleStat desc getval = stat desc $ json id getval
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nostat :: Stat
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nostat = return Nothing
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json :: ToJSON j => (j -> String) -> StatState j -> String -> StatState String
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json fmt a desc = do
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j <- a
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lift $ maybeShowJSON $ JSONChunk [(desc, j)]
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return $ fmt j
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nojson :: StatState String -> String -> StatState String
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nojson a _ = a
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showStat :: Stat -> StatState ()
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showStat s = maybe noop calc =<< s
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where
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calc (desc, a) = do
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(lift . showHeader) desc
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lift . showRaw =<< a
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repository_mode :: Stat
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repository_mode = simpleStat "repository mode" $ lift $
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ifM isDirect
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( return "direct"
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, ifM (fromRepo Git.repoIsLocalBare)
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( return "bare"
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, return "indirect"
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)
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)
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repo_list :: TrustLevel -> Stat
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repo_list level = stat n $ nojson $ lift $ do
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us <- filter (/= NoUUID) . M.keys
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<$> (M.union <$> uuidMap <*> remoteMap Remote.name)
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rs <- fst <$> trustPartition level us
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countRepoList (length rs)
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-- This also handles json display.
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<$> prettyPrintUUIDs n rs
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where
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n = showTrustLevel level ++ " repositories"
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countRepoList :: Int -> String -> String
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countRepoList _ [] = "0"
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countRepoList n s = show n ++ "\n" ++ beginning s
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dir_name :: FilePath -> Stat
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dir_name dir = simpleStat "directory" $ pure dir
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file_name :: FilePath -> Stat
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file_name file = simpleStat "file" $ pure file
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remote_name :: Remote -> Stat
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remote_name r = simpleStat "remote" $ pure (Remote.name r)
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remote_description :: Remote -> Stat
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remote_description r = simpleStat "description" $ lift $
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Remote.prettyUUID (Remote.uuid r)
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remote_uuid :: Remote -> Stat
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remote_uuid r = simpleStat "uuid" $ pure $
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fromUUID $ Remote.uuid r
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remote_trust :: Remote -> Stat
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remote_trust r = simpleStat "trust" $ lift $
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showTrustLevel <$> lookupTrust (Remote.uuid r)
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remote_cost :: Remote -> Stat
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remote_cost r = simpleStat "cost" $ pure $
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show $ Remote.cost r
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remote_type :: Remote -> Stat
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remote_type r = simpleStat "type" $ pure $
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Remote.typename $ Remote.remotetype r
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local_annex_keys :: Stat
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local_annex_keys = stat "local annex keys" $ json show $
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countKeys <$> cachedPresentData
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local_annex_size :: Stat
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local_annex_size = simpleStat "local annex size" $
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showSizeKeys =<< cachedPresentData
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remote_annex_keys :: UUID -> Stat
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remote_annex_keys u = stat "remote annex keys" $ json show $
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countKeys <$> cachedRemoteData u
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remote_annex_size :: UUID -> Stat
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remote_annex_size u = simpleStat "remote annex size" $
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showSizeKeys =<< cachedRemoteData u
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known_annex_files :: Stat
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known_annex_files = stat "annexed files in working tree" $ json show $
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countKeys <$> cachedReferencedData
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known_annex_size :: Stat
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known_annex_size = simpleStat "size of annexed files in working tree" $
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showSizeKeys =<< cachedReferencedData
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tmp_size :: Stat
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tmp_size = staleSize "temporary object directory size" gitAnnexTmpObjectDir
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bad_data_size :: Stat
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bad_data_size = staleSize "bad keys size" gitAnnexBadDir
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key_size :: Key -> Stat
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key_size k = simpleStat "size" $ showSizeKeys $ foldKeys [k]
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key_name :: Key -> Stat
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key_name k = simpleStat "key" $ pure $ key2file k
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bloom_info :: Stat
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bloom_info = simpleStat "bloom filter size" $ do
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localkeys <- countKeys <$> cachedPresentData
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capacity <- fromIntegral <$> lift bloomCapacity
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let note = aside $
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if localkeys >= capacity
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then "appears too small for this repository; adjust annex.bloomcapacity"
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else showPercentage 1 (percentage capacity localkeys) ++ " full"
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-- Two bloom filters are used at the same time when running
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-- git-annex unused, so double the size of one.
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sizer <- mkSizer
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size <- sizer memoryUnits False . (* 2) . fromIntegral . fst <$>
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lift bloomBitsHashes
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return $ size ++ note
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transfer_list :: Stat
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transfer_list = stat desc $ nojson $ lift $ do
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uuidmap <- Remote.remoteMap id
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ts <- getTransfers
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maybeShowJSON $ JSONChunk [(desc, map (uncurry jsonify) ts)]
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return $ if null ts
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then "none"
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else multiLine $
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map (uncurry $ line uuidmap) $ sort ts
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where
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desc = "transfers in progress"
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line uuidmap t i = unwords
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[ showLcDirection (transferDirection t) ++ "ing"
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, fromMaybe (key2file $ transferKey t) (associatedFile i)
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, if transferDirection t == Upload then "to" else "from"
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, maybe (fromUUID $ transferUUID t) Remote.name $
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M.lookup (transferUUID t) uuidmap
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]
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jsonify t i = object $ map (\(k, v) -> (T.pack k, v)) $
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[ ("transfer", toJSON (showLcDirection (transferDirection t)))
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, ("key", toJSON (key2file (transferKey t)))
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, ("file", toJSON (associatedFile i))
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, ("remote", toJSON (fromUUID (transferUUID t)))
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]
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disk_size :: Stat
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disk_size = simpleStat "available local disk space" $
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calcfree
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<$> (lift $ annexDiskReserve <$> Annex.getGitConfig)
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<*> (lift $ inRepo $ getDiskFree . gitAnnexDir)
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<*> mkSizer
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where
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calcfree reserve (Just have) sizer = unwords
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[ sizer storageUnits False $ nonneg $ have - reserve
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, "(+" ++ sizer storageUnits False reserve
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, "reserved)"
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]
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calcfree _ _ _ = "unknown"
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nonneg x
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| x >= 0 = x
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| otherwise = 0
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backend_usage :: Stat
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backend_usage = stat "backend usage" $ json fmt $
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ObjectMap . backendsKeys <$> cachedReferencedData
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where
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fmt = multiLine . map (\(b, n) -> b ++ ": " ++ show n) . sort . M.toList . fromObjectMap
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numcopies_stats :: Stat
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numcopies_stats = stat "numcopies stats" $ json fmt $
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calc <$> (maybe M.empty numCopiesVarianceMap <$> cachedNumCopiesStats)
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where
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calc = map (\(variance, count) -> (show variance, count))
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. sortBy (flip (comparing snd))
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. M.toList
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fmt = multiLine . map (\(variance, count) -> "numcopies " ++ variance ++ ": " ++ show count)
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reposizes_stats :: Stat
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reposizes_stats = stat desc $ nojson $ do
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sizer <- mkSizer
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l <- map (\(u, kd) -> (u, sizer storageUnits True (sizeKeys kd)))
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. sortBy (flip (comparing (sizeKeys . snd)))
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. M.toList
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<$> cachedRepoData
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let maxlen = maximum (map (length . snd) l)
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descm <- lift uuidDescriptions
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-- This also handles json display.
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s <- lift $ prettyPrintUUIDsWith (Just "size") desc descm (Just . show) $
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map (\(u, sz) -> (u, Just $ mkdisp sz maxlen)) l
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return $ countRepoList (length l) s
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where
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desc = "repositories containing these files"
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mkdisp sz maxlen = DualDisp
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{ dispNormal = lpad maxlen sz
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, dispJson = sz
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}
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lpad n s = (replicate (n - length s) ' ') ++ s
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cachedPresentData :: StatState KeyData
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cachedPresentData = do
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s <- get
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case presentData s of
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Just v -> return v
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Nothing -> do
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v <- foldKeys <$> lift (getKeysPresent InRepository)
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put s { presentData = Just v }
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return v
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cachedRemoteData :: UUID -> StatState KeyData
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cachedRemoteData u = do
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s <- get
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case M.lookup u (repoData s) of
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Just v -> return v
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Nothing -> do
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v <- foldKeys <$> lift (loggedKeysFor u)
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put s { repoData = M.insert u v (repoData s) }
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return v
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cachedReferencedData :: StatState KeyData
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cachedReferencedData = do
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s <- get
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case referencedData s of
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Just v -> return v
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Nothing -> do
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!v <- lift $ Command.Unused.withKeysReferenced
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emptyKeyData addKey
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put s { referencedData = Just v }
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return v
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-- currently only available for directory info
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cachedNumCopiesStats :: StatState (Maybe NumCopiesStats)
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cachedNumCopiesStats = numCopiesStats <$> get
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-- currently only available for directory info
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cachedRepoData :: StatState (M.Map UUID KeyData)
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cachedRepoData = repoData <$> get
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getDirStatInfo :: InfoOptions -> FilePath -> Annex StatInfo
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getDirStatInfo o dir = do
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fast <- Annex.getState Annex.fast
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matcher <- Limit.getMatcher
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(presentdata, referenceddata, numcopiesstats, repodata) <-
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Command.Unused.withKeysFilesReferencedIn dir initial
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(update matcher fast)
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return $ StatInfo (Just presentdata) (Just referenceddata) repodata (Just numcopiesstats) o
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where
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initial = (emptyKeyData, emptyKeyData, emptyNumCopiesStats, M.empty)
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update matcher fast key file vs@(presentdata, referenceddata, numcopiesstats, repodata) =
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ifM (matcher $ MatchingFile $ FileInfo file file)
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( do
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!presentdata' <- ifM (inAnnex key)
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( return $ addKey key presentdata
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, return presentdata
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)
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let !referenceddata' = addKey key referenceddata
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(!numcopiesstats', !repodata') <- if fast
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then return (numcopiesstats, repodata)
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else do
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locs <- Remote.keyLocations key
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nc <- updateNumCopiesStats file numcopiesstats locs
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return (nc, updateRepoData key locs repodata)
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return $! (presentdata', referenceddata', numcopiesstats', repodata')
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, return vs
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)
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emptyKeyData :: KeyData
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emptyKeyData = KeyData 0 0 0 M.empty
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emptyNumCopiesStats :: NumCopiesStats
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emptyNumCopiesStats = NumCopiesStats M.empty
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foldKeys :: [Key] -> KeyData
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foldKeys = foldl' (flip addKey) emptyKeyData
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addKey :: Key -> KeyData -> KeyData
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addKey key (KeyData count size unknownsize backends) =
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KeyData count' size' unknownsize' backends'
|
|
where
|
|
{- All calculations strict to avoid thunks when repeatedly
|
|
- applied to many keys. -}
|
|
!count' = count + 1
|
|
!backends' = M.insertWith (+) (keyBackendName key) 1 backends
|
|
!size' = maybe size (+ size) ks
|
|
!unknownsize' = maybe (unknownsize + 1) (const unknownsize) ks
|
|
ks = keySize key
|
|
|
|
updateRepoData :: Key -> [UUID] -> M.Map UUID KeyData -> M.Map UUID KeyData
|
|
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 emptyKeyData $ M.lookup loc m)
|
|
|
|
updateNumCopiesStats :: FilePath -> 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 :: KeyData -> 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 -> FilePath) -> 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 </> 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
|
|
)
|