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|
{- git-annex command
-
- Copyright 2010 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Copy where
import Command
import qualified Command.Move
import qualified Remote
import Annex.Wanted
import Annex.NumCopies
cmd :: Command
cmd = withGlobalOptions [jobsOption, jsonOptions, jsonProgressOption, annexedMatchingOptions] $
command "copy" SectionCommon
"copy content of files to/from another repository"
paramPaths (seek <--< optParser)
data CopyOptions = CopyOptions
{ copyFiles :: CmdParams
, fromToOptions :: FromToHereOptions
, keyOptions :: Maybe KeyOptions
, autoMode :: Bool
, batchOption :: BatchMode
}
optParser :: CmdParamsDesc -> Parser CopyOptions
optParser desc = CopyOptions
<$> cmdParams desc
<*> parseFromToHereOptions
<*> optional (parseKeyOptions <|> parseFailedTransfersOption)
<*> parseAutoOption
<*> parseBatchOption
instance DeferredParseClass CopyOptions where
finishParse v = CopyOptions
<$> pure (copyFiles v)
<*> finishParse (fromToOptions v)
<*> pure (keyOptions v)
<*> pure (autoMode v)
<*> pure (batchOption v)
seek :: CopyOptions -> CommandSeek
seek o = allowConcurrentOutput $ do
let go = whenAnnexed $ start o
case batchOption o of
Batch fmt -> batchFilesMatching fmt go
NoBatch -> withKeyOptions
(keyOptions o) (autoMode o)
(commandAction . Command.Move.startKey (fromToOptions o) Command.Move.RemoveNever)
(withFilesInGit $ commandAction . go)
=<< workTreeItems (copyFiles o)
{- A copy is just a move that does not delete the source file.
- However, auto mode avoids unnecessary copies, and avoids getting or
- sending non-preferred content. -}
start :: CopyOptions -> FilePath -> Key -> CommandStart
start o file key = stopUnless shouldCopy $
Command.Move.start (fromToOptions o) Command.Move.RemoveNever file key
where
shouldCopy
| autoMode o = want <||> numCopiesCheck file key (<)
| otherwise = return True
want = case fromToOptions o of
Right (ToRemote dest) ->
(Remote.uuid <$> getParsed dest) >>= checkwantsend
Right (FromRemote _) -> checkwantget
Left ToHere -> checkwantget
checkwantsend = wantSend False (Just key) (AssociatedFile (Just file))
checkwantget = wantGet False (Just key) (AssociatedFile (Just file))
|
