git-annex/Command/DropUnused.hs
Joey Hess 8b6c7bdbcc
filter out control characters in all other Messages
This does, as a side effect, make long notes in json output not
be indented. The indentation is only needed to offset them
underneath the display of the file they apply to, so that's ok.

Sponsored-by: Brock Spratlen on Patreon
2023-04-11 12:58:01 -04:00

76 lines
2.4 KiB
Haskell

{- git-annex command
-
- Copyright 2010,2012,2018 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE OverloadedStrings #-}
module Command.DropUnused where
import Command
import qualified Annex
import qualified Command.Drop
import qualified Remote
import qualified Git
import Command.Unused (withUnusedMaps, UnusedMaps(..), startUnused)
import Annex.NumCopies
import Annex.Content
import qualified Utility.RawFilePath as R
cmd :: Command
cmd = command "dropunused" SectionMaintenance
"drop unused file content"
(paramRepeating paramNumRange) (seek <$$> optParser)
data DropUnusedOptions = DropUnusedOptions
{ rangesToDrop :: CmdParams
, dropFrom :: Maybe (DeferredParse Remote)
}
optParser :: CmdParamsDesc -> Parser DropUnusedOptions
optParser desc = DropUnusedOptions
<$> cmdParams desc
<*> optional (Command.Drop.parseDropFromOption)
seek :: DropUnusedOptions -> CommandSeek
seek o = do
numcopies <- getNumCopies
mincopies <- getMinCopies
from <- maybe (pure Nothing) (Just <$$> getParsed) (dropFrom o)
withUnusedMaps (start from numcopies mincopies) (rangesToDrop o)
start :: Maybe Remote -> NumCopies -> MinCopies -> UnusedMaps -> Int -> CommandStart
start from numcopies mincopies = startUnused "dropunused"
(perform from numcopies mincopies)
(performOther gitAnnexBadLocation)
(performOther gitAnnexTmpObjectLocation)
perform :: Maybe Remote -> NumCopies -> MinCopies -> Key -> CommandPerform
perform from numcopies mincopies key = case from of
Just r -> do
showAction $ UnquotedString $ "from " ++ Remote.name r
Command.Drop.performRemote pcc key (AssociatedFile Nothing) numcopies mincopies r ud
Nothing -> ifM (inAnnex key)
( droplocal
, ifM (objectFileExists key)
( ifM (Annex.getRead Annex.force)
( droplocal
, do
warning "Annexed object has been modified and dropping it would probably lose the only copy. Run this command with --force if you want to drop it anyway."
next $ return False
)
, next $ return True
)
)
where
droplocal = Command.Drop.performLocal pcc key (AssociatedFile Nothing) numcopies mincopies [] ud
pcc = Command.Drop.PreferredContentChecked False
ud = Command.Drop.DroppingUnused True
performOther :: (Key -> Git.Repo -> RawFilePath) -> Key -> CommandPerform
performOther filespec key = do
f <- fromRepo $ filespec key
pruneTmpWorkDirBefore f (liftIO . removeWhenExistsWith R.removeLink)
next $ return True