50 lines
1.1 KiB
Haskell
50 lines
1.1 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.FromKey where
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import Control.Monad.State (liftIO)
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import System.Posix.Files
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import System.Directory
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import Control.Monad (unless)
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import Command
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import qualified AnnexQueue
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import Utility
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import qualified Backend
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import Content
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import Messages
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import Key
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command :: [Command]
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command = [repoCommand "fromkey" paramPath seek
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"adds a file using a specific key"]
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seek :: [CommandSeek]
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seek = [withFilesMissing start]
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start :: CommandStartString
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start file = notBareRepo $ do
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key <- cmdlineKey
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inbackend <- Backend.hasKey key
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unless inbackend $ error $
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"key ("++keyName key++") is not present in backend"
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showStart "fromkey" file
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next $ perform file
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perform :: FilePath -> CommandPerform
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perform file = do
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key <- cmdlineKey
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link <- calcGitLink file key
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liftIO $ createDirectoryIfMissing True (parentDir file)
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liftIO $ createSymbolicLink link file
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next $ cleanup file
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cleanup :: FilePath -> CommandCleanup
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cleanup file = do
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AnnexQueue.add "add" [Param "--"] file
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return True
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