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{- git-annex difference log, pure functions
-
- Copyright 2015 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Logs.Difference.Pure (
allDifferences,
parseDifferencesLog,
) where
import qualified Data.Map as M
import qualified Data.ByteString.Lazy as L
import qualified Data.Attoparsec.ByteString as A
import Annex.Common
import Types.Difference
import Logs.UUIDBased
parseDifferencesLog :: L.ByteString -> (M.Map UUID Differences)
parseDifferencesLog = simpleMap
. parseLog (readDifferences . decodeBS <$> A.takeByteString)
-- The sum of all recorded differences, across all UUIDs.
allDifferences :: M.Map UUID Differences -> Differences
allDifferences = mconcat . M.elems
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