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|
{- git-annex command
-
- Copyright 2010,2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.DropKey where
import Command
import qualified Annex
import Logs.Location
import Annex.Content
cmd :: Command
cmd = noCommit $ withAnnexOptions [jsonOptions] $
command "dropkey" SectionPlumbing
"drops annexed content for specified keys"
(paramRepeating paramKey)
(seek <$$> optParser)
data DropKeyOptions = DropKeyOptions
{ toDrop :: [String]
, batchOption :: BatchMode
}
optParser :: CmdParamsDesc -> Parser DropKeyOptions
optParser desc = DropKeyOptions
<$> cmdParams desc
<*> parseBatchOption False
seek :: DropKeyOptions -> CommandSeek
seek o = do
unlessM (Annex.getRead Annex.force) $
giveup "dropkey can cause data loss; use --force if you're sure you want to do this"
case batchOption o of
NoBatch -> withKeys (commandAction . start) (toDrop o)
Batch fmt -> batchOnly Nothing (toDrop o) $
batchInput fmt (pure . parsekey) $
batchCommandAction . start
where
parsekey = maybe (Left "bad key") Right . deserializeKey
start :: (SeekInput, Key) -> CommandStart
start (si, key) = starting "dropkey" (mkActionItem key) si $
perform key
perform :: Key -> CommandPerform
perform key = ifM (inAnnex key)
( lockContentForRemoval key (next $ cleanup key) $ \contentlock -> do
removeAnnex contentlock
next $ cleanup key
, next $ return True
)
cleanup :: Key -> CommandCleanup
cleanup key = do
logStatus key InfoMissing
return True
|
