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{- git-annex special remote configuration
-
- Copyright 2011-2015 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Annex.SpecialRemote where
import Annex.Common
import Remote (remoteTypes, remoteMap)
import Types.Remote (RemoteConfig, RemoteConfigKey, typename, setup)
import Logs.Remote
import Logs.Trust
import qualified Git.Config
import qualified Data.Map as M
import Data.Ord
type RemoteName = String
{- See if there's an existing special remote with this name.
-
- Prefer remotes that are not dead when a name appears multiple times. -}
findExisting :: RemoteName -> Annex (Maybe (UUID, RemoteConfig))
findExisting name = do
t <- trustMap
matches <- sortBy (comparing $ \(u, _c) -> M.lookup u t)
. findByName name
<$> Logs.Remote.readRemoteLog
return $ headMaybe matches
newConfig :: RemoteName -> RemoteConfig
newConfig = M.singleton nameKey
findByName :: RemoteName -> M.Map UUID RemoteConfig -> [(UUID, RemoteConfig)]
findByName n = filter (matching . snd) . M.toList
where
matching c = case M.lookup nameKey c of
Nothing -> False
Just n'
| n' == n -> True
| otherwise -> False
specialRemoteMap :: Annex (M.Map UUID RemoteName)
specialRemoteMap = do
m <- Logs.Remote.readRemoteLog
return $ M.fromList $ mapMaybe go (M.toList m)
where
go (u, c) = case M.lookup nameKey c of
Nothing -> Nothing
Just n -> Just (u, n)
{- find the specified remote type -}
findType :: RemoteConfig -> Either String RemoteType
findType config = maybe unspecified specified $ M.lookup typeKey config
where
unspecified = Left "Specify the type of remote with type="
specified s = case filter (findtype s) remoteTypes of
[] -> Left $ "Unknown remote type " ++ s
(t:_) -> Right t
findtype s i = typename i == s
{- The name of a configured remote is stored in its config using this key. -}
nameKey :: RemoteConfigKey
nameKey = "name"
{- The type of a remote is stored in its config using this key. -}
typeKey :: RemoteConfigKey
typeKey = "type"
autoEnableKey :: RemoteConfigKey
autoEnableKey = "autoenable"
autoEnable :: Annex ()
autoEnable = do
remotemap <- M.filter configured <$> readRemoteLog
enabled <- remoteMap id
forM_ (M.toList remotemap) $ \(u, c) -> unless (u `M.member` enabled) $ do
case (M.lookup nameKey c, findType c) of
(Just name, Right t) -> whenM (canenable u) $ do
showSideAction $ "Auto enabling special remote " ++ name
res <- tryNonAsync $ setup t (Just u) Nothing c
case res of
Left e -> warning (show e)
Right _ -> return ()
_ -> return ()
where
configured rc = fromMaybe False $
Git.Config.isTrue =<< M.lookup autoEnableKey rc
canenable u = (/= DeadTrusted) <$> lookupTrust u
|
