avoid unix-compat's rename

On Windows, that does not support long paths
https://github.com/jacobstanley/unix-compat/issues/56

Instead, use System.Directory.renamePath, which does support long paths.

Sponsored-by: Dartmouth College's Datalad project

Command/Add.hs

@@ -30,7 +30,7 @@ import Annex.CheckIgnore
 import qualified Utility.RawFilePath as R
 import qualified System.FilePath.ByteString as P
 
-import System.PosixCompat.Files
+import System.PosixCompat.Files (fileSize)
 
 cmd :: Command
 cmd = notBareRepo $ 

Command/FuzzTest.hs

@@ -181,11 +181,11 @@ runFuzzAction (FuzzAdd (FuzzFile f)) = do
 runFuzzAction (FuzzDelete (FuzzFile f)) = liftIO $
 	removeWhenExistsWith R.removeLink (toRawFilePath f)
 runFuzzAction (FuzzMove (FuzzFile src) (FuzzFile dest)) = liftIO $
-	rename src dest
+	R.rename (toRawFilePath src) (toRawFilePath dest)
 runFuzzAction (FuzzDeleteDir (FuzzDir d)) = liftIO $
 	removeDirectoryRecursive d
 runFuzzAction (FuzzMoveDir (FuzzDir src) (FuzzDir dest)) = liftIO $
-	rename src dest
+	R.rename (toRawFilePath src) (toRawFilePath dest)
 runFuzzAction (FuzzPause d) = randomDelay d
 
 genFuzzAction :: Annex FuzzAction

Command/Multicast.hs

@@ -216,7 +216,7 @@ storeReceived f = do
 		Just k -> void $ logStatusAfter k $
 			getViaTmpFromDisk RetrievalVerifiableKeysSecure AlwaysVerify k (AssociatedFile Nothing) $ \dest -> unVerified $
 				liftIO $ catchBoolIO $ do
-					rename f (fromRawFilePath dest)
+					R.rename (toRawFilePath f) dest
 					return True
 
 -- Under Windows, uftp uses key containers, which are not files on the