Fix use of several config settings

annex.ssh-options, annex.rsync-options, annex.bup-split-options.

And adjust types to avoid the bugs that broke several config settings
recently. Now "annex." prefixing is enforced at the type level.

Annex/Content.hs

@@ -304,12 +304,12 @@ saveState oneshot = doSideAction $ do
 			( Annex.Branch.commit "update" , Annex.Branch.stage)
 	where
 		alwayscommit = fromMaybe True . Git.configTrue
-			<$> getConfig "annex.alwayscommit" ""
+			<$> getConfig (annexConfig "alwayscommit") ""
 
 {- Downloads content from any of a list of urls. -}
 downloadUrl :: [Url.URLString] -> FilePath -> Annex Bool
 downloadUrl urls file = do
-	o <- map Param . words <$> getConfig "annex.web-options" ""
+	o <- map Param . words <$> getConfig (annexConfig "web-options") ""
 	headers <- getHttpHeaders
 	liftIO $ anyM (\u -> Url.download u headers o file) urls
 

Annex/Queue.hs

@@ -46,7 +46,7 @@ new = do
 	store q
 	return q
 	where
-		queuesize = readish <$> getConfig "annex.queuesize" ""
+		queuesize = readish <$> getConfig (annexConfig "queuesize") ""
 
 store :: Git.Queue.Queue -> Annex ()
 store q = changeState $ \s -> s { repoqueue = Just q }

Annex/Ssh.hs

@@ -48,7 +48,7 @@ sshInfo (host, port) = ifM caching
 	where
 		caching = fromMaybe SysConfig.sshconnectioncaching 
 			. Git.configTrue
-			<$> getConfig "annex.sshcaching" ""
+			<$> getConfig (annexConfig "sshcaching") ""
 
 cacheParams :: FilePath -> [CommandParam]
 cacheParams socketfile =

Annex/UUID.hs

@@ -23,12 +23,11 @@ module Annex.UUID (
 import Common.Annex
 import qualified Git
 import qualified Git.Config
-import qualified Git.Command
 import qualified Build.SysConfig as SysConfig
 import Config
 
-configkey :: String
-configkey = "annex.uuid"
+configkey :: ConfigKey
+configkey = annexConfig "uuid"
 
 {- Generates a UUID. There is a library for this, but it's not packaged,
  - so use the command line tool. -}
@@ -64,16 +63,17 @@ getRepoUUID r = do
 		cachekey = remoteConfig r "uuid"
 
 removeRepoUUID :: Annex ()
-removeRepoUUID = inRepo $ Git.Command.run "config"
-	[Param "--unset", Param configkey]
+removeRepoUUID = unsetConfig configkey
 
 getUncachedUUID :: Git.Repo -> UUID
-getUncachedUUID = toUUID . Git.Config.get configkey ""
+getUncachedUUID = toUUID . Git.Config.get key ""
+	where
+		(ConfigKey key) = configkey
 
 {- Make sure that the repo has an annex.uuid setting. -}
 prepUUID :: Annex ()
 prepUUID = whenM ((==) NoUUID <$> getUUID) $
 	storeUUID configkey =<< liftIO genUUID
 
-storeUUID :: String -> UUID -> Annex ()
+storeUUID :: ConfigKey -> UUID -> Annex ()
 storeUUID configfield = setConfig configfield . fromUUID

Annex/Version.hs

@@ -21,8 +21,8 @@ supportedVersions = [defaultVersion]
 upgradableVersions :: [Version]
 upgradableVersions = ["0", "1", "2"]
 
-versionField :: String
-versionField = "annex.version"
+versionField :: ConfigKey
+versionField = annexConfig "version"
 
 getVersion :: Annex (Maybe Version)
 getVersion = handle <$> getConfig versionField ""

Backend.hs

@@ -46,7 +46,7 @@ orderedList = do
 			l' <- (lookupBackendName name :) <$> standard
 			Annex.changeState $ \s -> s { Annex.backends = l' }
 			return l'
-		standard = parseBackendList <$> getConfig "annex.backends" ""
+		standard = parseBackendList <$> getConfig (annexConfig "backends") ""
 		parseBackendList [] = list
 		parseBackendList s = map lookupBackendName $ words s
 

Command/Unused.hs

@@ -183,10 +183,10 @@ exclude smaller larger = S.toList $ remove larger $ S.fromList smaller
  -}
 bloomCapacity :: Annex Int
 bloomCapacity = fromMaybe 500000 . readish
-	<$> getConfig "annex.bloomcapacity" ""
+	<$> getConfig (annexConfig "bloomcapacity") ""
 bloomAccuracy :: Annex Int
 bloomAccuracy = fromMaybe 1000 . readish
-	<$> getConfig "annex.bloomaccuracy" ""
+	<$> getConfig (annexConfig "bloomaccuracy") ""
 bloomBitsHashes :: Annex (Int, Int)
 bloomBitsHashes = do
 	capacity <- bloomCapacity

Config.hs

@@ -1,6 +1,6 @@
 {- Git configuration
  -
- - Copyright 2011 Joey Hess <joey@kitenet.net>
+ - Copyright 2011-2012 Joey Hess <joey@kitenet.net>
  -
  - Licensed under the GNU GPL version 3 or higher.
  -}
@@ -14,29 +14,40 @@ import qualified Git.Command
 import qualified Annex
 import Utility.DataUnits
 
-type ConfigKey = String
+type UnqualifiedConfigKey = String
+data ConfigKey = ConfigKey String
 
 {- Changes a git config setting in both internal state and .git/config -}
 setConfig :: ConfigKey -> String -> Annex ()
-setConfig k value = do
-	inRepo $ Git.Command.run "config" [Param k, Param value]
+setConfig (ConfigKey key) value = do
+	inRepo $ Git.Command.run "config" [Param key, Param value]
 	-- re-read git config and update the repo's state
 	newg <- inRepo Git.Config.read
 	Annex.changeState $ \s -> s { Annex.repo = newg }
 
-{- Looks up a git config setting in git config. -}
+{- Unsets a git config setting. (Leaves it in state currently.) -}
+unsetConfig :: ConfigKey -> Annex ()
+unsetConfig (ConfigKey key) = inRepo $ Git.Command.run "config"
+        [Param "--unset", Param key]
+
+{- Looks up a setting in git config. -}
 getConfig :: ConfigKey -> String -> Annex String
-getConfig key def = fromRepo $ Git.Config.get key def
+getConfig (ConfigKey key) def = fromRepo $ Git.Config.get key def
 
 {- Looks up a per-remote config setting in git config.
  - Failing that, tries looking for a global config option. -}
-getRemoteConfig :: Git.Repo -> ConfigKey -> String -> Annex String
-getRemoteConfig r key def =
-	getConfig (remoteConfig r key) =<< getConfig key def
+getRemoteConfig :: Git.Repo -> UnqualifiedConfigKey -> String -> Annex String
+getRemoteConfig r key def = 
+	getConfig (remoteConfig r key) =<< getConfig (annexConfig key) def
 
 {- A per-remote config setting in git config. -}
-remoteConfig :: Git.Repo -> ConfigKey -> String
-remoteConfig r key = "remote." ++ fromMaybe "" (Git.remoteName r) ++ ".annex-" ++ key
+remoteConfig :: Git.Repo -> UnqualifiedConfigKey -> ConfigKey
+remoteConfig r key = ConfigKey $
+	"remote." ++ fromMaybe "" (Git.remoteName r) ++ ".annex-" ++ key
+
+{- A global annex setting in git config. -}
+annexConfig :: UnqualifiedConfigKey -> ConfigKey
+annexConfig key = ConfigKey $ "annex." ++ key
 
 {- Calculates cost for a remote. Either the default, or as configured 
  - by remote.<name>.annex-cost, or if remote.<name>.annex-cost-command
@@ -83,17 +94,19 @@ getNumCopies v = perhaps (use v) =<< Annex.getState Annex.forcenumcopies
 	where
 		use (Just n) = return n
 		use Nothing = perhaps (return 1) =<< 
-			readish <$> getConfig "annex.numcopies" "1"
+			readish <$> getConfig (annexConfig "numcopies") "1"
 		perhaps fallback = maybe fallback (return . id)
 
 {- Gets the trust level set for a remote in git config. -}
 getTrustLevel :: Git.Repo -> Annex (Maybe String)
-getTrustLevel r = fromRepo $ Git.Config.getMaybe $ remoteConfig r "trustlevel"
+getTrustLevel r = fromRepo $ Git.Config.getMaybe key
+	where
+		(ConfigKey key) = remoteConfig r "trustlevel"
 
 {- Gets annex.diskreserve setting. -}
 getDiskReserve :: Annex Integer
 getDiskReserve = fromMaybe megabyte . readSize dataUnits
-	<$> getConfig "annex.diskreserve" ""
+	<$> getConfig (annexConfig "diskreserve") ""
 	where
 		megabyte = 1000000
 
@@ -101,7 +114,7 @@ getDiskReserve = fromMaybe megabyte . readSize dataUnits
  - splitting it into lines. -}
 getHttpHeaders :: Annex [String]
 getHttpHeaders = do
-	cmd <- getConfig "annex.http-headers-command" ""
+	cmd <- getConfig (annexConfig "http-headers-command") ""
 	if (null cmd)
 		then fromRepo $ Git.Config.getList "annex.http-headers"
 		else lines . snd <$> liftIO (pipeFrom "sh" ["-c", cmd])

Remote/Hook.hs

@@ -74,14 +74,14 @@ hookEnv k f = Just $ fileenv f ++ keyenv
 
 lookupHook :: String -> String -> Annex (Maybe String)
 lookupHook hooktype hook =do
-	command <- getConfig hookname ""
+	command <- getConfig (annexConfig hookname) ""
 	if null command
 		then do
 			warning $ "missing configuration for " ++ hookname
 			return Nothing
 		else return $ Just command
 	where
-		hookname =  "annex." ++ hooktype ++ "-" ++ hook ++ "-hook"
+		hookname = hooktype ++ "-" ++ hook ++ "-hook"
 
 runHook :: String -> String -> Key -> Maybe FilePath -> Annex Bool -> Annex Bool
 runHook hooktype hook k f a = maybe (return False) run =<< lookupHook hooktype hook

debian/changelog

@@ -8,6 +8,9 @@ git-annex (3.20120431) UNRELEASED; urgency=low
   * dropunused: Allow specifying ranges to drop.
   * addunused: New command, the opposite of dropunused, it relinks unused
     content into the git repository.
+  * Fix use of several config settings annex.ssh-options,
+    annex.rsync-options, annex.bup-split-options. (And adjust types to avoid
+    the bugs that broke several config settings.)
 
  -- Joey Hess <joeyh@debian.org>  Wed, 02 May 2012 13:06:18 -0400