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{- git-annex numcopies log
-
- Copyright 2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
module Logs.NumCopies (
setGlobalNumCopies,
getGlobalNumCopies,
globalNumCopiesLoad,
) where
import Common.Annex
import qualified Annex
import Types.NumCopies
import Logs
import Logs.SingleValue
instance SingleValueSerializable NumCopies where
serialize (NumCopies n) = show n
deserialize = NumCopies <$$> readish
setGlobalNumCopies :: NumCopies -> Annex ()
setGlobalNumCopies = setLog numcopiesLog
{- Value configured in the numcopies log. Cached for speed. -}
getGlobalNumCopies :: Annex (Maybe NumCopies)
getGlobalNumCopies = maybe globalNumCopiesLoad (return . Just)
=<< Annex.getState Annex.globalnumcopies
globalNumCopiesLoad :: Annex (Maybe NumCopies)
globalNumCopiesLoad = do
v <- getLog numcopiesLog
Annex.changeState $ \s -> s { Annex.globalnumcopies = v }
return v
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