cleaned up AnnexState handling in transports

RemoteDaemon/Core.hs

@@ -10,15 +10,17 @@ module RemoteDaemon.Core (runForeground) where
 import qualified Annex
 import Common
 import Types.GitConfig
+import RemoteDaemon.Common
 import RemoteDaemon.Types
 import RemoteDaemon.Transport
 import qualified Git
 import qualified Git.Types as Git
 import qualified Git.CurrentRepo
 import Utility.SimpleProtocol
+import Config
 
 import Control.Concurrent.Async
-import Control.Concurrent.Chan
+import Control.Concurrent
 import Network.URI
 import qualified Data.Map as M
 
@@ -50,36 +52,38 @@ type RemoteMap = M.Map Git.Repo (IO (), Chan Consumed)
 -- the main control messages.
 controller :: Chan Consumed -> Chan Emitted -> IO ()
 controller ichan ochan = do
-	m <- getRemoteMap ochan
+	h <- genTransportHandle
+	m <- genRemoteMap h ochan
 	startrunning m
-	go False m
+	go h False m
   where
-	go paused m = do
+	go h paused m = do
 		cmd <- readChan ichan
 		case cmd of
 			RELOAD -> do
-				m' <- getRemoteMap ochan
+				liftAnnex h reloadConfig
+				m' <- genRemoteMap h ochan
 				let common = M.intersection m m'
 				let new = M.difference m' m
 				let old = M.difference m m'
 				stoprunning old
 				unless paused $
 					startrunning new
-				go paused (M.union common new)
+				go h paused (M.union common new)
 			PAUSE -> do
 				stoprunning m
-				go True m
+				go h True m
 			RESUME -> do
 				when paused $
 					startrunning m
-				go False m
+				go h False m
 			STOP -> exitSuccess
 			-- All remaining messages are sent to
 			-- all Transports.
 			msg -> do
 				unless paused $
 					forM_ chans (`writeChan` msg)
-				go paused m
+				go h paused m
 	  where
 		chans = map snd (M.elems m)
 
@@ -90,17 +94,12 @@ controller ichan ochan = do
 	stoprunning m = forM_ (M.elems m) stoprunning'
 	stoprunning' (_, c) = writeChan c STOP
 
-getRemoteMap :: Chan Emitted -> IO RemoteMap
-getRemoteMap ochan = do
-	annexstate <- Annex.new =<< Git.CurrentRepo.get
-	genRemoteMap annexstate ochan
-
 -- Generates a map with a transport for each supported remote in the git repo,
 -- except those that have annex.sync = false
-genRemoteMap :: Annex.AnnexState -> Chan Emitted -> IO RemoteMap
-genRemoteMap annexstate ochan = M.fromList . catMaybes <$> mapM gen rs
+genRemoteMap :: TransportHandle -> Chan Emitted -> IO RemoteMap
+genRemoteMap h@(TransportHandle g _) ochan =
+	M.fromList . catMaybes <$> mapM gen (Git.remotes g)
   where
-	rs = Git.remotes (Annex.repo annexstate)
 	gen r = case Git.location r of
 		Git.Url u -> case M.lookup (uriScheme u) remoteTransports of
 			Just transport
@@ -108,7 +107,13 @@ genRemoteMap annexstate ochan = M.fromList . catMaybes <$> mapM gen rs
 					ichan <- newChan :: IO (Chan Consumed)
 					return $ Just
 						( r
-						, (transport r (Git.repoDescribe r) annexstate ichan ochan, ichan)
+						, (transport r (Git.repoDescribe r) h ichan ochan, ichan)
 						)
 			_ -> return Nothing
 		_ -> return Nothing
+
+genTransportHandle :: IO TransportHandle
+genTransportHandle = do
+	annexstate <- newMVar =<< Annex.new =<< Git.CurrentRepo.get
+	g <- Annex.repo <$> readMVar annexstate
+	return $ TransportHandle g annexstate