safer inannex checking

git-annex-shell inannex now returns always 0, 1, or 100 (the last when
it's unclear if content is currently in the index due to it currently being
moved or dropped).

(Actual locking code still not yet written.)

Command/Move.hs

@@ -82,7 +82,7 @@ toPerform dest move key = moveLock move key $ do
 		else Remote.hasKey dest key
 	case isthere of
 		Left err -> do
-			showNote $ show err
+			showNote $ err
 			stop
 		Right False -> do
 			showAction $ "to " ++ Remote.name dest
@@ -96,7 +96,7 @@ toPerform dest move key = moveLock move key $ do
 		Right True -> finish
 	where
 		finish = do
-			Remote.remoteHasKey dest key True
+			Remote.logStatus dest key True
 			if move
 				then do
 					whenM (inAnnex key) $ removeAnnex key
@@ -137,5 +137,5 @@ fromPerform src move key = moveLock move key $ do
 {- Locks a key in order for it to be moved.
  - No lock is needed when a key is being copied. -}
 moveLock :: Bool -> Key -> Annex a -> Annex a
-moveLock True key a = lockExclusive key a
+moveLock True key a = lockContent key a
 moveLock False _ a = a