git-annex/Backend/Variety.hs
Joey Hess cc17ac423b
implement isCryptographicallySecureKey for VURL
Considerable difficulty to work around an import cycle. Had to move the
list of backends (except for VURL) to Backend.Variety to VURL could use
it.

Sponsored-by: Kevin Mueller on Patreon
2024-02-29 17:26:35 -04:00

35 lines
1 KiB
Haskell

{- git-annex backend varieties
-
- Copyright 2012-2024 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Backend.Variety where
import qualified Data.Map as M
import Annex.Common
import Types.Key
import Types.Backend
import qualified Backend.External
-- When adding a new backend, import it here and add it to the builtinList.
import qualified Backend.Hash
import qualified Backend.WORM
import qualified Backend.URL
{- Regular backends. Does not include externals or VURL. -}
regularBackendList :: [Backend]
regularBackendList = Backend.Hash.backends
++ Backend.WORM.backends
++ Backend.URL.backends
makeVarietyMap :: [Backend] -> M.Map KeyVariety Backend
makeVarietyMap l = M.fromList $ zip (map backendVariety l) l
maybeLookupBackendVarietyMap :: KeyVariety -> M.Map KeyVariety Backend -> Annex (Maybe Backend)
maybeLookupBackendVarietyMap (ExternalKey s hasext) _varitymap =
Just <$> Backend.External.makeBackend s hasext
maybeLookupBackendVarietyMap v varietymap =
pure $ M.lookup v varietymap