102 lines
2.8 KiB
Haskell
102 lines
2.8 KiB
Haskell
{- git-annex command
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-
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- Copyright 2011 Joey Hess <joey@kitenet.net>
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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 Command.InitRemote where
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import qualified Data.Map as M
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import Control.Monad (when)
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import Control.Monad.State (liftIO)
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import Command
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import qualified Annex
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import qualified Remote
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import qualified RemoteClass
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import qualified GitRepo as Git
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import Utility
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import Types
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import UUID
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import Messages
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command :: [Command]
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command = [repoCommand "initremote"
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(paramPair paramName $
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paramOptional $ paramRepeating $ paramKeyValue) seek
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"sets up a special (non-git) remote"]
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seek :: [CommandSeek]
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seek = [withString start]
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start :: CommandStartString
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start params = notBareRepo $ do
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when (null ws) $ error "Specify a name for the remote"
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(u, c) <- findByName name
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let fullconfig = M.union config c
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t <- findType fullconfig
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showStart "initremote" name
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return $ Just $ perform t u $ M.union config c
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where
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ws = words params
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name = head ws
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config = Remote.keyValToConfig $ tail ws
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perform :: RemoteClass.RemoteType Annex -> UUID -> RemoteClass.RemoteConfig -> CommandPerform
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perform t u c = do
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c' <- RemoteClass.setup t u c
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return $ Just $ cleanup u c'
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cleanup :: UUID -> RemoteClass.RemoteConfig -> CommandCleanup
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cleanup u c = do
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Remote.configSet u c
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g <- Annex.gitRepo
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logfile <- Remote.remoteLog
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liftIO $ Git.run g "add" [File logfile]
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liftIO $ Git.run g "commit"
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[ Params "-q --allow-empty -m"
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, Param "git annex initremote"
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, File logfile
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]
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return True
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{- Look up existing remote's UUID and config by name, or generate a new one -}
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findByName :: String -> Annex (UUID, RemoteClass.RemoteConfig)
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findByName name = do
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m <- Remote.readRemoteLog
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case findByName' name m of
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Just i -> return i
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Nothing -> do
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uuid <- liftIO $ genUUID
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return $ (uuid, M.insert nameKey name M.empty)
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findByName' :: String -> M.Map UUID RemoteClass.RemoteConfig -> Maybe (UUID, RemoteClass.RemoteConfig)
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findByName' n m = if null matches then Nothing else Just $ head matches
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where
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matches = filter (matching . snd) $ M.toList m
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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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{- find the specified remote type -}
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findType :: RemoteClass.RemoteConfig -> Annex (RemoteClass.RemoteType Annex)
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findType config =
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case M.lookup typeKey config of
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Nothing -> error "Specify the type of remote with type="
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Just s -> case filter (\i -> RemoteClass.typename i == s) Remote.remoteTypes of
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[] -> error $ "Unknown remote type " ++ s
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(t:_) -> return t
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{- The name of a configured remote is stored in its config using this key. -}
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nameKey :: String
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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 :: String
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typeKey = "type"
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