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|
{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.FromKey where
import Control.Monad.State (liftIO)
import System.Posix.Files
import System.Directory
import Control.Monad (when, unless)
import Command
import qualified Annex
import Utility
import qualified Backend
import Types
import Core
import Messages
{- Adds a file pointing at a manually-specified key -}
start :: SubCmdStartString
start file = do
keyname <- Annex.flagGet "key"
when (null keyname) $ error "please specify the key with --key"
backends <- Backend.list
let key = genKey (backends !! 0) keyname
inbackend <- Backend.hasKey key
unless (inbackend) $ error $
"key ("++keyname++") is not present in backend"
showStart "fromkey" file
return $ Just $ perform file key
perform :: FilePath -> Key -> SubCmdPerform
perform file key = do
link <- calcGitLink file key
liftIO $ createDirectoryIfMissing True (parentDir file)
liftIO $ createSymbolicLink link file
return $ Just $ cleanup file
cleanup :: FilePath -> SubCmdCleanup
cleanup file = do
Annex.queue "add" [] file
return True
|
