47 lines
1.1 KiB
Haskell
47 lines
1.1 KiB
Haskell
{- git-annex command
|
|
-
|
|
- Copyright 2010 Joey Hess <joey@kitenet.net>
|
|
-
|
|
- Licensed under the GNU GPL version 3 or higher.
|
|
-}
|
|
|
|
module Command.SetKey where
|
|
|
|
import Control.Monad.State (liftIO)
|
|
import Control.Monad (when)
|
|
|
|
import Command
|
|
import qualified Annex
|
|
import Utility
|
|
import qualified Backend
|
|
import LocationLog
|
|
import Types
|
|
import Core
|
|
import Messages
|
|
|
|
seek :: [SubCmdSeek]
|
|
seek = [withTempFile start]
|
|
|
|
{- Sets cached content for a 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
|
|
showStart "setkey" file
|
|
return $ Just $ perform file key
|
|
perform :: FilePath -> Key -> SubCmdPerform
|
|
perform file key = do
|
|
-- the file might be on a different filesystem, so mv is used
|
|
-- rather than simply calling moveToObjectDir key file
|
|
ok <- getViaTmp key $ \dest -> liftIO $ boolSystem "mv" [file, dest]
|
|
if ok
|
|
then return $ Just $ cleanup key
|
|
else error "mv failed!"
|
|
|
|
cleanup :: Key -> SubCmdCleanup
|
|
cleanup key = do
|
|
logStatus key ValuePresent
|
|
return True
|
|
|