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{- git-annex command
-
- Copyright 2010,2012 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.DropUnused where
import Common.Annex
import Command
import qualified Annex
import qualified Command.Drop
import qualified Remote
import qualified Git
import Command.Unused (withUnusedMaps, UnusedMaps(..), startUnused)
import Annex.NumCopies
cmd :: Command
cmd = withOptions [Command.Drop.dropFromOption] $
command "dropunused" (paramRepeating paramNumRange)
seek SectionMaintenance "drop unused file content"
seek :: CommandSeek
seek ps = do
numcopies <- getNumCopies
withUnusedMaps (start numcopies) ps
start :: NumCopies -> UnusedMaps -> Int -> CommandStart
start numcopies = startUnused "dropunused" (perform numcopies) (performOther gitAnnexBadLocation) (performOther gitAnnexTmpObjectLocation)
perform :: NumCopies -> Key -> CommandPerform
perform numcopies key = maybe droplocal dropremote =<< Remote.byNameWithUUID =<< from
where
dropremote r = do
showAction $ "from " ++ Remote.name r
Command.Drop.performRemote key Nothing numcopies r
droplocal = Command.Drop.performLocal key Nothing numcopies Nothing
from = Annex.getField $ optionName Command.Drop.dropFromOption
performOther :: (Key -> Git.Repo -> FilePath) -> Key -> CommandPerform
performOther filespec key = do
f <- fromRepo $ filespec key
liftIO $ nukeFile f
next $ return True
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