28e2cad849
* Only export to remotes that were initialized to support it. * Prevent storing key/value on export remotes. * Prevent enabling exporttree=yes and encryption in the same remote. SetupStage Enable was changed to take the old RemoteConfig. This allowed only setting exporttree when initially setting up a remote, and not configuring it later after stuff might already be stored in the remote. Went with =yes rather than =true for consistency with other parts of git-annex. Changed docs accordingly. This commit was supported by the NSF-funded DataLad project.
92 lines
2.8 KiB
Haskell
92 lines
2.8 KiB
Haskell
{- git-annex special remote configuration
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-
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- Copyright 2011-2015 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Annex.SpecialRemote where
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import Annex.Common
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import Remote (remoteTypes, remoteMap)
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import Types.Remote (RemoteConfig, RemoteConfigKey, SetupStage(..), typename, setup)
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import Types.GitConfig
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import Logs.Remote
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import Logs.Trust
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import qualified Git.Config
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import Git.Types (RemoteName)
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import qualified Data.Map as M
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import Data.Ord
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{- See if there's an existing special remote with this name.
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-
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- Prefer remotes that are not dead when a name appears multiple times. -}
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findExisting :: RemoteName -> Annex (Maybe (UUID, RemoteConfig))
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findExisting name = do
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t <- trustMap
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matches <- sortBy (comparing $ \(u, _c) -> M.lookup u t)
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. findByName name
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<$> Logs.Remote.readRemoteLog
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return $ headMaybe matches
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newConfig :: RemoteName -> RemoteConfig
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newConfig = M.singleton nameKey
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findByName :: RemoteName -> M.Map UUID RemoteConfig -> [(UUID, RemoteConfig)]
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findByName n = filter (matching . snd) . M.toList
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where
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matching c = case M.lookup nameKey c of
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Nothing -> False
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Just n'
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| n' == n -> True
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| otherwise -> False
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specialRemoteMap :: Annex (M.Map UUID RemoteName)
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specialRemoteMap = do
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m <- Logs.Remote.readRemoteLog
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return $ M.fromList $ mapMaybe go (M.toList m)
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where
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go (u, c) = case M.lookup nameKey c of
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Nothing -> Nothing
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Just n -> Just (u, n)
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{- find the specified remote type -}
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findType :: RemoteConfig -> Either String RemoteType
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findType config = maybe unspecified specified $ M.lookup typeKey config
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where
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unspecified = Left "Specify the type of remote with type="
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specified s = case filter (findtype s) remoteTypes of
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[] -> Left $ "Unknown remote type " ++ s
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(t:_) -> Right t
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findtype s i = typename i == s
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{- The name of a configured remote is stored in its config using this key. -}
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nameKey :: RemoteConfigKey
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nameKey = "name"
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{- The type of a remote is stored in its config using this key. -}
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typeKey :: RemoteConfigKey
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typeKey = "type"
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autoEnableKey :: RemoteConfigKey
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autoEnableKey = "autoenable"
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autoEnable :: Annex ()
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autoEnable = do
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remotemap <- M.filter configured <$> readRemoteLog
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enabled <- remoteMap id
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forM_ (M.toList remotemap) $ \(u, c) -> unless (u `M.member` enabled) $ do
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case (M.lookup nameKey c, findType c) of
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(Just name, Right t) -> whenM (canenable u) $ do
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showSideAction $ "Auto enabling special remote " ++ name
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dummycfg <- liftIO dummyRemoteGitConfig
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res <- tryNonAsync $ setup t (Enable c) (Just u) Nothing c dummycfg
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case res of
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Left e -> warning (show e)
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Right _ -> return ()
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_ -> return ()
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where
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configured rc = fromMaybe False $
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Git.Config.isTrue =<< M.lookup autoEnableKey rc
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canenable u = (/= DeadTrusted) <$> lookupTrust u
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