85 lines
2 KiB
Haskell
85 lines
2 KiB
Haskell
{- git-annex command
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-
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- Copyright 2011-2016 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.Reinject where
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import Command
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import Logs.Location
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import Annex.Content
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import Backend
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import Types.KeySource
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cmd :: Command
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cmd = command "reinject" SectionUtility
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"inject content of file back into annex"
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(paramRepeating (paramPair "SRC" "DEST")
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`paramOr` "--known " ++ paramRepeating "SRC")
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(seek <$$> optParser)
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data ReinjectOptions = ReinjectOptions
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{ params :: CmdParams
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, knownOpt :: Bool
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}
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optParser :: CmdParamsDesc -> Parser ReinjectOptions
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optParser desc = ReinjectOptions
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<$> cmdParams desc
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<*> switch
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( long "known"
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<> help "inject all known files"
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<> hidden
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)
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seek :: ReinjectOptions -> CommandSeek
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seek os
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| knownOpt os = withStrings startKnown (params os)
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| otherwise = withWords startSrcDest (params os)
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startSrcDest :: [FilePath] -> CommandStart
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startSrcDest (src:dest:[])
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| src == dest = stop
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| otherwise = notAnnexed src $ do
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showStart "reinject" dest
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next $ ifAnnexed dest
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(perform src)
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stop
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startSrcDest _ = error "specify a src file and a dest file"
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startKnown :: FilePath -> CommandStart
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startKnown src = notAnnexed src $ do
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showStart "reinject" src
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mkb <- genKey (KeySource src src Nothing) Nothing
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case mkb of
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Nothing -> error "Failed to generate key"
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Just (key, _) -> ifM (isKnownKey key)
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( next $ perform src key
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, do
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warning "Not known content; skipping"
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next $ next $ return True
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)
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notAnnexed :: FilePath -> CommandStart -> CommandStart
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notAnnexed src = ifAnnexed src (error $ "cannot used annexed file as src: " ++ src)
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perform :: FilePath -> Key -> CommandPerform
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perform src key = ifM move
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( next $ cleanup key
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, error "failed"
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)
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where
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move = checkDiskSpaceToGet key False $
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ifM (verifyKeyContent DefaultVerify UnVerified key src)
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( do
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moveAnnex key src
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return True
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, return False
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)
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cleanup :: Key -> CommandCleanup
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cleanup key = do
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logStatus key InfoPresent
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return True
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