145 lines
4.2 KiB
Haskell
145 lines
4.2 KiB
Haskell
{- git-annex command
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-
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- Copyright 2011-2021 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE OverloadedStrings #-}
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module Command.InitRemote where
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import qualified Data.Map as M
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import Command
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import Annex.SpecialRemote
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import qualified Remote
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import qualified Types.Remote as R
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import Types.RemoteConfig
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import Annex.UUID
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import Logs.UUID
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import Logs.Remote
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import Types.GitConfig
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import Types.ProposedAccepted
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import Config
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import Git.Config
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cmd :: Command
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cmd = command "initremote" SectionSetup
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"creates a special (non-git) remote"
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(paramPair paramName $ paramOptional $ paramRepeating paramParamValue)
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(seek <$$> optParser)
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data InitRemoteOptions = InitRemoteOptions
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{ cmdparams :: CmdParams
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, sameas :: Maybe (DeferredParse UUID)
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, whatElse :: Bool
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, privateRemote :: Bool
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}
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optParser :: CmdParamsDesc -> Parser InitRemoteOptions
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optParser desc = InitRemoteOptions
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<$> cmdParams desc
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<*> optional parseSameasOption
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<*> switch
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( long "whatelse"
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<> short 'w'
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<> help "describe other configuration parameters for a special remote"
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)
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<*> switch
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( long "private"
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<> help "keep special remote information out of git-annex branch"
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)
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parseSameasOption :: Parser (DeferredParse UUID)
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parseSameasOption = parseUUIDOption <$> strOption
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( long "sameas"
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<> metavar (paramRemote `paramOr` paramDesc `paramOr` paramUUID)
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<> help "new remote that accesses the same data"
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<> completeRemotes
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)
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seek :: InitRemoteOptions -> CommandSeek
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seek o = withWords (commandAction . (start o)) (cmdparams o)
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start :: InitRemoteOptions -> [String] -> CommandStart
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start _ [] = giveup "Specify a name for the remote."
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start o (name:ws) = ifM (isJust <$> findExisting name)
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( giveup $ "There is already a special remote named \"" ++ name ++
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"\". (Use enableremote to enable an existing special remote.)"
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, ifM (isJust <$> Remote.byNameOnly name)
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( giveup $ "There is already a remote named \"" ++ name ++ "\""
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, do
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sameasuuid <- maybe
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(pure Nothing)
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(Just . Sameas <$$> getParsed)
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(sameas o)
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c <- newConfig name sameasuuid
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(Logs.Remote.keyValToConfig Proposed ws)
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<$> remoteConfigMap
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t <- either giveup return (findType c)
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if whatElse o
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then startingCustomOutput (ActionItemOther Nothing) $
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describeOtherParamsFor c t
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else starting "initremote" (ActionItemOther (Just name)) si $
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perform t name c o
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)
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)
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where
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si = SeekInput [name]
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perform :: RemoteType -> String -> R.RemoteConfig -> InitRemoteOptions -> CommandPerform
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perform t name c o = do
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when (privateRemote o) $
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setConfig (remoteAnnexConfig c "private") (boolConfig True)
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dummycfg <- liftIO dummyRemoteGitConfig
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let c' = M.delete uuidField c
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(c'', u) <- R.setup t R.Init (sameasu <|> uuidfromuser) Nothing c' dummycfg
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next $ cleanup t u name c'' o
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where
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uuidfromuser = case fromProposedAccepted <$> M.lookup uuidField c of
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Just s
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| isUUID s -> Just (toUUID s)
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| otherwise -> giveup "invalid uuid"
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Nothing -> Nothing
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sameasu = toUUID . fromProposedAccepted <$> M.lookup sameasUUIDField c
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uuidField :: R.RemoteConfigField
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uuidField = Accepted "uuid"
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cleanup :: RemoteType -> UUID -> String -> R.RemoteConfig -> InitRemoteOptions -> CommandCleanup
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cleanup t u name c o = do
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case sameas o of
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Nothing -> do
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describeUUID u (toUUIDDesc name)
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Logs.Remote.configSet u c
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Just _ -> do
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cu <- liftIO genUUID
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setConfig (remoteAnnexConfig c "config-uuid") (fromUUID cu)
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Logs.Remote.configSet cu c
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unless (Remote.gitSyncableRemoteType t) $
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setConfig (remoteConfig c "skipFetchAll") (boolConfig True)
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return True
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describeOtherParamsFor :: RemoteConfig -> RemoteType -> CommandPerform
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describeOtherParamsFor c t = do
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cp <- R.configParser t c
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let l = map mk (filter notinconfig $ remoteConfigFieldParsers cp)
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++ map mk' (maybe [] snd (remoteConfigRestPassthrough cp))
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liftIO $ forM_ l $ \(p, fd, vd) -> case fd of
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HiddenField -> return ()
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FieldDesc d -> do
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putStrLn p
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putStrLn ("\t" ++ d)
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case vd of
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Nothing -> return ()
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Just (ValueDesc d') ->
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putStrLn $ "\t(" ++ d' ++ ")"
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next $ return True
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where
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notinconfig fp = not (M.member (parserForField fp) c)
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mk fp = ( fromProposedAccepted (parserForField fp)
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, fieldDesc fp
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, valueDesc fp
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)
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mk' (k, v) = (k, v, Nothing)
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