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diff --git a/Logs/RemoteState.hs b/Logs/RemoteState.hs
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+++ b/Logs/RemoteState.hs
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+{- Remote state logs.
+ -
+ - Copyright 2013 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module Logs.RemoteState (
+	getRemoteState,
+	setRemoteState,
+) where
+
+import Common.Annex
+import Logs
+import Logs.UUIDBased
+import qualified Annex.Branch
+
+import qualified Data.Map as M
+import Data.Time.Clock.POSIX
+
+type RemoteState = String
+
+setRemoteState :: UUID -> Key -> RemoteState -> Annex ()
+setRemoteState u k s = do
+	ts <- liftIO getPOSIXTime
+	Annex.Branch.change (remoteStateLogFile k) $
+		showLogNew id . changeLog ts u s . parseLogNew Just
+
+getRemoteState :: UUID -> Key -> Annex (Maybe RemoteState)
+getRemoteState u k = extract . parseLogNew Just
+	<$> Annex.Branch.get (remoteStateLogFile k)
+  where
+	extract m = value <$> M.lookup u m