avoid error message when doing get --from on file not present on remote

Command/Get.hs

@@ -27,14 +27,20 @@ start numcopies file (key, _) = do
 	if inannex
 		then stop
 		else autoCopies key (<) numcopies $ do
-			showStart "get" file
 			from <- Annex.getState Annex.fromremote
 			case from of
-				Nothing -> next $ perform key
+				Nothing -> go $ perform key
 				Just name -> do
 					-- get --from = copy --from
 					src <- Remote.byName name
-					next $ Command.Move.fromPerform src False key
+					ok <- Command.Move.fromOk src key
+					if ok
+						then go $ Command.Move.fromPerform src False key
+						else stop
+	where
+		go a = do
+			showStart "get" file
+			next a	
 
 perform :: Key -> CommandPerform
 perform key = do

Command/Move.hs

@@ -117,13 +117,17 @@ fromStart src move file key
 		if ishere then stop else go
 	where
 		go = do
-			u <- getUUID
+			ok <- fromOk src key
-			remotes <- Remote.keyPossibilities key
+			if ok
-			if u == Remote.uuid src || not (any (== src) remotes)
+				then do
-				then stop
-				else do
 					showMoveAction move file
 					next $ fromPerform src move key
+				else stop
+fromOk :: Remote.Remote Annex -> Key -> Annex Bool
+fromOk src key = do
+	u <- getUUID
+	remotes <- Remote.keyPossibilities key
+	return $ u /= Remote.uuid src && any (== src) remotes
 fromPerform :: Remote.Remote Annex -> Bool -> Key -> CommandPerform
 fromPerform src move key = moveLock move key $ do
 	ishere <- inAnnex key