BackendChecksum.hs


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{- git-annex "checksum" backend
 - -}

module BackendChecksum (backend) where

import qualified BackendFile
import Data.Digest.Pure.SHA
import BackendTypes

-- based on BackendFile just with a different key type
backend = BackendFile.backend {
	name = "checksum",
	getKey = keyValue
}

-- checksum the file to get its key
keyValue :: FilePath -> Annex (Maybe Key)
keyValue k = error "checksum keyValue unimplemented" -- TODO