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{- git-annex command
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.ReKey where
import Common.Annex
import Command
import qualified Annex
import Types.Key
import Annex.Content
import qualified Command.Migrate
def :: [Command]
def = [command "rekey"
(paramOptional $ paramRepeating $ paramPair paramPath paramKey)
seek "change keys used for files"]
seek :: [CommandSeek]
seek = [withPairs start]
start :: (FilePath, String) -> CommandStart
start (file, keyname) = ifAnnexed file go stop
where
newkey = fromMaybe (error "bad key") $ readKey keyname
go (oldkey, _)
| oldkey == newkey = stop
| otherwise = do
showStart "rekey" file
next $ perform file oldkey newkey
perform :: FilePath -> Key -> Key -> CommandPerform
perform file oldkey newkey = do
present <- inAnnex oldkey
_ <- if present
then do
src <- inRepo $ gitAnnexLocation oldkey
Command.Migrate.linkKey src newkey
else do
unlessM (Annex.getState Annex.force) $
error $ file ++ " is not available (use --force to override)"
return True
next $ Command.Migrate.cleanup file oldkey newkey
|
