55 lines
1.3 KiB
Haskell
55 lines
1.3 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010 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.Unannex where
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import Control.Monad.State (liftIO)
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import System.Directory
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import Command
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import qualified Annex
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import Utility
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import qualified Backend
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import LocationLog
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import Types
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import Core
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import qualified GitRepo as Git
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import Messages
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command :: [Command]
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command = [Command "unannex" paramPath seek "undo accidential add command"]
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seek :: [CommandSeek]
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seek = [withFilesInGit start]
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{- The unannex subcommand undoes an add. -}
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start :: CommandStartString
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start file = isAnnexed file $ \(key, backend) -> do
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showStart "unannex" file
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return $ Just $ perform file key backend
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perform :: FilePath -> Key -> Backend -> CommandPerform
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perform file key backend = do
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-- force backend to always remove
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ok <- Backend.removeKey backend key (Just 0)
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if ok
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then return $ Just $ cleanup file key
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else return Nothing
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cleanup :: FilePath -> Key -> CommandCleanup
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cleanup file key = do
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g <- Annex.gitRepo
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liftIO $ removeFile file
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liftIO $ Git.run g ["rm", "--quiet", "--", file]
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-- git rm deletes empty directories; put them back
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liftIO $ createDirectoryIfMissing True (parentDir file)
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fromAnnex key file
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logStatus key ValueMissing
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return True
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