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{- git-annex checking whether content is wanted
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Annex.Wanted where
import Common.Annex
import Logs.PreferredContent
import Annex.UUID
import qualified Data.Set as S
{- Check if a file is preferred content for the local repository. -}
wantGet :: Bool -> AssociatedFile -> Annex Bool
wantGet def Nothing = return def
wantGet def (Just file) = isPreferredContent Nothing S.empty file def
{- Check if a file is preferred content for a remote. -}
wantSend :: Bool -> AssociatedFile -> UUID -> Annex Bool
wantSend def Nothing _ = return def
wantSend def (Just file) to = isPreferredContent (Just to) S.empty file def
{- Check if a file can be dropped, maybe from a remote.
- Don't drop files that are preferred content. -}
wantDrop :: Bool -> Maybe UUID -> AssociatedFile -> Annex Bool
wantDrop def _ Nothing = return $ not def
wantDrop def from (Just file) = do
u <- maybe getUUID (return . id) from
not <$> isPreferredContent (Just u) (S.singleton u) file def
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