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{- git-annex key/value backend data type
-
- Most things should not need this, using Types instead
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Types.Backend where
import Types.Key
data Backend a = Backend {
-- name of this backend
name :: String,
-- converts a filename to a key
getKey :: FilePath -> a (Maybe Key),
-- called during fsck to check a key
fsckKey :: Key -> a Bool
}
instance Show (Backend a) where
show backend = "Backend { name =\"" ++ name backend ++ "\" }"
instance Eq (Backend a) where
a == b = name a == name b
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