break web log handling into a separate module

Logs/Web.hs

@@ -0,0 +1,49 @@
+{- Web url logs.
+ -
+ - Copyright 2011 Joey Hess <joey@kitenet.net>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module Logs.Web (
+	URLString,
+	webUUID,
+	setUrl,
+	getUrls
+) where
+
+import Common.Annex
+import Logs.Presence
+import Logs.Location
+import Logs.UUID
+
+type URLString = String
+
+-- Dummy uuid for the whole web. Do not alter.
+webUUID :: UUID
+webUUID = "00000000-0000-0000-0000-000000000001"
+
+{- The urls for a key are stored in remote/web/hash/key.log 
+ - in the git-annex branch. -}
+urlLog :: Key -> FilePath
+urlLog key = "remote/web" </> hashDirLower key </> keyFile key ++ ".log"
+oldurlLog :: Key -> FilePath
+{- A bug used to store the urls elsewhere. -}
+oldurlLog key = "remote/web" </> hashDirLower key </> show key ++ ".log"
+
+getUrls :: Key -> Annex [URLString]
+getUrls key = do
+	us <- currentLog (urlLog key)
+	if null us
+		then currentLog (oldurlLog key)
+		else return us
+
+{- Records a change in an url for a key. -}
+setUrl :: Key -> URLString -> LogStatus -> Annex ()
+setUrl key url status = do
+	g <- gitRepo
+	addLog (urlLog key) =<< logNow status url
+
+	-- update location log to indicate that the web has the key, or not
+	us <- getUrls key
+	logChange g key webUUID (if null us then InfoMissing else InfoPresent)

Remote/Web.hs

@@ -14,13 +14,10 @@ import Common.Annex
 import Types.Remote
 import qualified Git
 import Config
-import Logs.Presence
-import Logs.Location
 import Logs.UUID
+import Logs.Web
 import qualified Utility.Url as Url
 
-type URLString = String
-
 remote :: RemoteType Annex
 remote = RemoteType {
 	typename = "web",
@@ -35,10 +32,6 @@ remote = RemoteType {
 list :: Annex [Git.Repo]
 list = return [Git.repoRemoteNameSet Git.repoFromUnknown "web"]
 
--- Dummy uuid for the whole web. Do not alter.
-webUUID :: UUID
-webUUID = "00000000-0000-0000-0000-000000000001"
-
 gen :: Git.Repo -> UUID -> Maybe RemoteConfig -> Annex (Remote Annex)
 gen r _ _ = 
 	return Remote {
@@ -54,31 +47,6 @@ gen r _ _ =
 		repo = r
 	}
 
-{- The urls for a key are stored in remote/web/hash/key.log 
- - in the git-annex branch. -}
-urlLog :: Key -> FilePath
-urlLog key = "remote/web" </> hashDirLower key </> keyFile key ++ ".log"
-oldurlLog :: Key -> FilePath
-{- A bug used to store the urls elsewhere. -}
-oldurlLog key = "remote/web" </> hashDirLower key </> show key ++ ".log"
-
-getUrls :: Key -> Annex [URLString]
-getUrls key = do
-	us <- currentLog (urlLog key)
-	if null us
-		then currentLog (oldurlLog key)
-		else return us
-
-{- Records a change in an url for a key. -}
-setUrl :: Key -> URLString -> LogStatus -> Annex ()
-setUrl key url status = do
-	g <- gitRepo
-	addLog (urlLog key) =<< logNow status url
-
-	-- update location log to indicate that the web has the key, or not
-	us <- getUrls key
-	logChange g key webUUID (if null us then InfoMissing else InfoPresent)
-
 downloadKey :: Key -> FilePath -> Annex Bool
 downloadKey key file = get =<< getUrls key
 	where