git-annex/Command/DropKey.hs
Joey Hess ab7b5a492c
--batch-keys
New --batch-keys option added to these commands:  get, drop, move, copy, whereis

git-annex-matching-options had to be reworded since some of its options
can be used to match on keys, not only files.

Sponsored-by: Luke Shumaker on Patreon
2021-08-25 14:21:12 -04:00

59 lines
1.5 KiB
Haskell

{- 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 $ withGlobalOptions [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.getState Annex.force) $
giveup "dropkey can cause data loss; use --force if you're sure you want to do this"
withKeys (commandAction . start) (toDrop o)
case batchOption o of
Batch fmt -> batchInput fmt (pure . parsekey) $
batchCommandAction . start
NoBatch -> noop
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