groundwork for parameterizing hash depth

Remote/Directory.hs

@@ -15,6 +15,7 @@ module Remote.Directory (
 
 import qualified Data.ByteString.Lazy as L
 import qualified Data.Map as M
+import Data.Default
 
 import Common.Annex
 import Types.Remote
@@ -107,7 +108,7 @@ getLocation d k = do
 
 {- Directory where the file(s) for a key are stored. -}
 storeDir :: FilePath -> Key -> FilePath
-storeDir d k = addTrailingPathSeparator $ d </> hashDirLower k </> keyFile k
+storeDir d k = addTrailingPathSeparator $ d </> hashDirLower def k </> keyFile k
 
 {- Where we store temporary data for a key, in the directory, as it's being
  - written. -}

Remote/External.hs

@@ -28,6 +28,7 @@ import Creds
 import Control.Concurrent.STM
 import System.Log.Logger (debugM)
 import qualified Data.Map as M
+import Data.Default
 
 remote :: RemoteType
 remote = RemoteType {
@@ -184,7 +185,7 @@ handleRequest' lck external req mp responsehandler
 	handleRemoteRequest (PROGRESS bytesprocessed) =
 		maybe noop (\a -> liftIO $ a bytesprocessed) mp
 	handleRemoteRequest (DIRHASH k) = 
-		send $ VALUE $ hashDirMixed k
+		send $ VALUE $ hashDirMixed def k
 	handleRemoteRequest (SETCONFIG setting value) =
 		liftIO $ atomically $ do
 			let v = externalConfig external

Remote/GCrypt.hs

@@ -16,6 +16,7 @@ module Remote.GCrypt (
 import qualified Data.Map as M
 import qualified Data.ByteString.Lazy as L
 import Control.Exception
+import Data.Default
 
 import Common.Annex
 import Types.Remote
@@ -361,7 +362,7 @@ checkKey r rsyncopts k
 {- Annexed objects are hashed using lower-case directories for max
  - portability. -}
 gCryptLocation :: Remote -> Key -> FilePath
-gCryptLocation r key = Git.repoLocation (repo r) </> objectDir </> keyPath key hashDirLower
+gCryptLocation r key = Git.repoLocation (repo r) </> objectDir </> keyPath key (hashDirLower def)
 
 data AccessMethod = AccessDirect | AccessShell
 

Remote/Hook.hs

@@ -7,8 +7,6 @@
 
 module Remote.Hook (remote) where
 
-import qualified Data.Map as M
-
 import Common.Annex
 import Types.Remote
 import Types.Key
@@ -20,6 +18,9 @@ import Annex.UUID
 import Remote.Helper.Special
 import Utility.Env
 
+import Data.Default
+import qualified Data.Map as M
+
 type Action = String
 type HookName = String
 
@@ -90,7 +91,7 @@ hookEnv action k f = Just <$> mergeenv (fileenv f ++ keyenv)
 		]
 	fileenv Nothing = []
 	fileenv (Just file) =  [envvar "FILE" file]
-	hashbits = map takeDirectory $ splitPath $ hashDirMixed k
+	hashbits = map takeDirectory $ splitPath $ hashDirMixed def k
 
 lookupHook :: HookName -> Action -> Annex (Maybe String)
 lookupHook hookname action = do

Remote/Rsync.hs

@@ -38,6 +38,7 @@ import Logs.Transfer
 import Types.Creds
 import Types.Key (isChunkKey)
 
+import Data.Default
 import qualified Data.Map as M
 
 remote :: RemoteType
@@ -212,7 +213,7 @@ remove o k = do
 	 - content could be. Note that the parent directories have
 	 - to also be explicitly included, due to how rsync
 	 - traverses directories. -}
-	includes = concatMap use annexHashes
+	includes = concatMap use (annexHashes def)
 	use h = let dir = h k in
 		[ parentDir dir
 		, dir

Remote/Rsync/RsyncUrl.hs

@@ -14,6 +14,7 @@ import Locations
 import Utility.Rsync
 import Utility.SafeCommand
 
+import Data.Default
 import System.FilePath.Posix
 #ifdef mingw32_HOST_OS
 import Data.String.Utils
@@ -35,7 +36,7 @@ rsyncEscape o u
 	| otherwise = u
 
 rsyncUrls :: RsyncOpts -> Key -> [RsyncUrl]
-rsyncUrls o k = map use annexHashes
+rsyncUrls o k = map use (annexHashes def)
   where
 	use h = rsyncUrl o </> hash h </> rsyncEscape o (f </> f)
 	f = keyFile k

Remote/WebDAV/DavLocation.hs

@@ -17,6 +17,7 @@ import Utility.Url (URLString)
 import System.FilePath.Posix -- for manipulating url paths
 import Network.Protocol.HTTP.DAV (inDAVLocation, DAVT)
 import Control.Monad.IO.Class (MonadIO)
+import Data.Default
 #ifdef mingw32_HOST_OS
 import Data.String.Utils
 #endif
@@ -33,9 +34,9 @@ keyDir :: Key -> DavLocation
 keyDir k = addTrailingPathSeparator $ hashdir </> keyFile k
   where
 #ifndef mingw32_HOST_OS
-	hashdir = hashDirLower k
+	hashdir = hashDirLower def k
 #else
-	hashdir = replace "\\" "/" (hashDirLower k)
+	hashdir = replace "\\" "/" (hashDirLower def k)
 #endif
 
 keyLocation :: Key -> DavLocation