Merge branch 'master' into assistant

Git.hs

@@ -19,6 +19,7 @@ module Git (
 	repoIsHttp,
 	repoIsLocal,
 	repoIsLocalBare,
+	repoIsLocalUnknown,
 	repoDescribe,
 	repoLocation,
 	repoPath,
@@ -99,6 +100,10 @@ repoIsLocalBare :: Repo -> Bool
 repoIsLocalBare Repo { location = Local { worktree = Nothing } } = True
 repoIsLocalBare _ = False
 
+repoIsLocalUnknown :: Repo -> Bool
+repoIsLocalUnknown Repo { location = LocalUnknown { } } = True
+repoIsLocalUnknown _ = False
+
 assertLocal :: Repo -> a -> a
 assertLocal repo action
 	| repoIsUrl repo = error $ unwords

Remote.hs

@@ -75,7 +75,7 @@ byName' :: String -> Annex (Either String Remote)
 byName' "" = return $ Left "no remote specified"
 byName' n = handle . filter matching <$> remoteList
 	where
-		handle [] = Left $ "there is no git remote named \"" ++ n ++ "\""
+		handle [] = Left $ "there is no available git remote named \"" ++ n ++ "\""
 		handle match = Right $ Prelude.head match
 		matching r = n == name r || toUUID n == uuid r
 

Remote/Git.hs

@@ -42,7 +42,8 @@ remote = RemoteType {
 list :: Annex [Git.Repo]
 list = do
 	c <- fromRepo Git.config
-	mapM (tweakurl c) =<< fromRepo Git.remotes
+	rs <- mapM (tweakurl c) =<< fromRepo Git.remotes
+	catMaybes <$> mapM configread rs
 	where
 		annexurl n = "remote." ++ n ++ ".annexurl"
 		tweakurl c r = do
@@ -52,41 +53,47 @@ list = do
 				Just url -> inRepo $ \g ->
 					Git.Construct.remoteNamed n $
 						Git.Construct.fromRemoteLocation url g
+		{- It's assumed to be cheap to read the config of non-URL
+		 - remotes, so this is done each time git-annex is run
+		 - in a way that uses remotes.
+		 - Conversely, the config of an URL remote is only read
+		 - when there is no cached UUID value. -}
+		configread r = do
+			notignored <- repoNotIgnored r
+			u <- getRepoUUID r
+			r' <- case (repoCheap r, notignored, u) of
+				(_, False, _) -> return r
+				(True, _, _) -> tryGitConfigRead r
+				(False, _, NoUUID) -> tryGitConfigRead r
+				_ -> return r
+			{- A repo with a LocalUnknown location is not currently
+			 - accessible, so skip it. -}
+			if Git.repoIsLocalUnknown r'
+				then return Nothing
+				else return $ Just r'
+
+repoCheap :: Git.Repo -> Bool
+repoCheap = not . Git.repoIsUrl
 
 gen :: Git.Repo -> UUID -> Maybe RemoteConfig -> Annex Remote
-gen r u _ = do
+gen r u _ = new <$> remoteCost r defcst
- 	{- It's assumed to be cheap to read the config of non-URL remotes,
+	where
-	 - so this is done each time git-annex is run. Conversely,
+		defcst = if repoCheap r then cheapRemoteCost else expensiveRemoteCost
-	 - the config of an URL remote is only read when there is no
+		new cst = Remote {
-	 - cached UUID value. -}
+			uuid = u,
-	let cheap = not $ Git.repoIsUrl r
+			cost = cst,
-	notignored <- repoNotIgnored r
+			name = Git.repoDescribe r,
-	r' <- case (cheap, notignored, u) of
+			storeKey = copyToRemote r,
-		(_, False, _) -> return r
+			retrieveKeyFile = copyFromRemote r,
-		(True, _, _) -> tryGitConfigRead r
+			retrieveKeyFileCheap = copyFromRemoteCheap r,
-		(False, _, NoUUID) -> tryGitConfigRead r
+			removeKey = dropKey r,
-		_ -> return r
+			hasKey = inAnnex r,
-
+			hasKeyCheap = repoCheap r,
-	u' <- getRepoUUID r'
+			whereisKey = Nothing,
-
+			config = Nothing,
-	let defcst = if cheap then cheapRemoteCost else expensiveRemoteCost
+			repo = r,
-	cst <- remoteCost r' defcst
+			remotetype = remote
-
+		}
-	return Remote {
-		uuid = u',
-		cost = cst,
-		name = Git.repoDescribe r',
-		storeKey = copyToRemote r',
-		retrieveKeyFile = copyFromRemote r',
-		retrieveKeyFileCheap = copyFromRemoteCheap r',
-		removeKey = dropKey r',
-		hasKey = inAnnex r',
-		hasKeyCheap = cheap,
-		whereisKey = Nothing,
-		config = Nothing,
-		repo = r',
-		remotetype = remote
-	}
 
 {- Tries to read the config for a specified remote, updates state, and
  - returns the updated repo. -}

debian/changelog

@@ -3,6 +3,8 @@ git-annex (3.20120625) UNRELEASED; urgency=low
   * cabal: Only try to use inotify on Linux.
   * Version build dependency on STM, and allow building without it,
     which disables the watch command.
+  * Avoid ugly failure mode when moving content from a local repository
+    that is not available.
 
  -- Joey Hess <joeyh@debian.org>  Mon, 25 Jun 2012 11:38:12 -0400
 

doc/bugs/undefined.mdwn

@@ -0,0 +1,5 @@
+Trying to move files from a local remote that is not mounted:
+
+	git-annex: Prelude.undefined
+
+> [[fixed|done]] --[[Joey]]