57 lines
1.6 KiB
Haskell
57 lines
1.6 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010 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.Copy where
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import Common.Annex
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import Command
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import qualified Command.Move
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import qualified Remote
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import Annex.Wanted
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import Annex.NumCopies
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cmd :: Command
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cmd = command "copy" SectionCommon
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"copy content of files to/from another repository"
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paramPaths (seek <--< optParser)
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data CopyOptions = CopyOptions
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{ moveOptions :: Command.Move.MoveOptions
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, autoMode :: Bool
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}
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optParser :: CmdParamsDesc -> Parser CopyOptions
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optParser desc = CopyOptions
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<$> Command.Move.optParser desc
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<*> parseAutoOption
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instance DeferredParseClass CopyOptions where
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finishParse v = CopyOptions
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<$> finishParse (moveOptions v)
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<*> pure (autoMode v)
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seek :: CopyOptions -> CommandSeek
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seek o = withKeyOptions (Command.Move.keyOptions $ moveOptions o) (autoMode o)
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(Command.Move.startKey (moveOptions o) False)
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(withFilesInGit $ whenAnnexed $ start o)
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(Command.Move.moveFiles $ moveOptions o)
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{- A copy is just a move that does not delete the source file.
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- However, auto mode avoids unnecessary copies, and avoids getting or
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- sending non-preferred content. -}
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start :: CopyOptions -> FilePath -> Key -> CommandStart
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start o file key = stopUnless shouldCopy $
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Command.Move.start (moveOptions o) False file key
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where
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shouldCopy
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| autoMode o = want <||> numCopiesCheck file key (<)
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| otherwise = return True
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want = case Command.Move.fromToOptions (moveOptions o) of
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ToRemote _ ->
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wantGet False (Just key) (Just file)
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FromRemote dest -> (Remote.uuid <$> getParsed dest) >>=
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wantSend False (Just key) (Just file)
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