59 lines
1.4 KiB
Haskell
59 lines
1.4 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010,2016 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Command.DropKey where
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import Command
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import qualified Annex
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import Logs.Location
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import Annex.Content
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cmd :: Command
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cmd = noCommit $ withGlobalOptions [jsonOption] $
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command "dropkey" SectionPlumbing
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"drops annexed content for specified keys"
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(paramRepeating paramKey)
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(seek <$$> optParser)
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data DropKeyOptions = DropKeyOptions
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{ toDrop :: [String]
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, batchOption :: BatchMode
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}
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optParser :: CmdParamsDesc -> Parser DropKeyOptions
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optParser desc = DropKeyOptions
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<$> cmdParams desc
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<*> parseBatchOption
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seek :: DropKeyOptions -> CommandSeek
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seek o = do
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unlessM (Annex.getState Annex.force) $
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error "dropkey can cause data loss; use --force if you're sure you want to do this"
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withKeys start (toDrop o)
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case batchOption o of
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Batch -> batchInput parsekey $ batchCommandAction . start
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NoBatch -> noop
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where
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parsekey = maybe (Left "bad key") Right . file2key
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start :: Key -> CommandStart
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start key = do
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showStart' "dropkey" key Nothing
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next $ perform key
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perform :: Key -> CommandPerform
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perform key = ifM (inAnnex key)
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( lockContentForRemoval key $ \contentlock -> do
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removeAnnex contentlock
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next $ cleanup key
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, next $ return True
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)
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cleanup :: Key -> CommandCleanup
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cleanup key = do
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logStatus key InfoMissing
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return True
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