115 lines
3.3 KiB
Haskell
115 lines
3.3 KiB
Haskell
{- git-annex command
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-
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- Copyright 2012-2013 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.Import where
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import Common.Annex
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import Command
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import qualified Annex
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import qualified Command.Add
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import Utility.CopyFile
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import Backend
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import Remote
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import Types.KeySource
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cmd :: [Command]
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cmd = [withOptions opts $ notBareRepo $ command "import" paramPaths seek
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SectionCommon "move and add files from outside git working copy"]
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opts :: [Option]
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opts =
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[ duplicateOption
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, deduplicateOption
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, cleanDuplicatesOption
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, skipDuplicatesOption
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]
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duplicateOption :: Option
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duplicateOption = flagOption [] "duplicate" "do not delete source files"
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deduplicateOption :: Option
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deduplicateOption = flagOption [] "deduplicate" "delete source files whose content was imported before"
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cleanDuplicatesOption :: Option
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cleanDuplicatesOption = flagOption [] "clean-duplicates" "delete duplicate source files (import nothing)"
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skipDuplicatesOption :: Option
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skipDuplicatesOption = flagOption [] "skip-duplicates" "import only new files"
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data DuplicateMode = Default | Duplicate | DeDuplicate | CleanDuplicates | SkipDuplicates
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deriving (Eq)
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getDuplicateMode :: Annex DuplicateMode
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getDuplicateMode = gen
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<$> getflag duplicateOption
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<*> getflag deduplicateOption
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<*> getflag cleanDuplicatesOption
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<*> getflag skipDuplicatesOption
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where
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getflag = Annex.getFlag . optionName
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gen False False False False = Default
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gen True False False False = Duplicate
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gen False True False False = DeDuplicate
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gen False False True False = CleanDuplicates
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gen False False False True = SkipDuplicates
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gen _ _ _ _ = error "bad combination of --duplicate, --deduplicate, --clean-duplicates, --skip-duplicates"
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seek :: CommandSeek
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seek ps = do
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mode <- getDuplicateMode
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withPathContents (start mode) ps
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start :: DuplicateMode -> (FilePath, FilePath) -> CommandStart
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start mode (srcfile, destfile) =
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ifM (liftIO $ isRegularFile <$> getSymbolicLinkStatus srcfile)
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( do
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isdup <- do
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backend <- chooseBackend destfile
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let ks = KeySource srcfile srcfile Nothing
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v <- genKey ks backend
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case v of
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Just (k, _) -> not . null <$> keyLocations k
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_ -> return False
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case pickaction isdup of
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Nothing -> stop
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Just a -> do
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showStart "import" destfile
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next a
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, stop
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)
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where
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deletedup = do
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showNote "duplicate"
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liftIO $ removeFile srcfile
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next $ return True
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importfile = do
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handleexisting =<< liftIO (catchMaybeIO $ getSymbolicLinkStatus destfile)
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liftIO $ createDirectoryIfMissing True (parentDir destfile)
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liftIO $ if mode == Duplicate || mode == SkipDuplicates
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then void $ copyFileExternal CopyAllMetaData srcfile destfile
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else moveFile srcfile destfile
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Command.Add.perform destfile
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handleexisting Nothing = noop
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handleexisting (Just s)
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| isDirectory s = notoverwriting "(is a directory)"
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| otherwise = ifM (Annex.getState Annex.force)
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( liftIO $ nukeFile destfile
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, notoverwriting "(use --force to override)"
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)
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notoverwriting why = error $ "not overwriting existing " ++ destfile ++ " " ++ why
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pickaction isdup = case mode of
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DeDuplicate
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| isdup -> Just deletedup
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| otherwise -> Just importfile
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CleanDuplicates
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| isdup -> Just deletedup
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| otherwise -> Nothing
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SkipDuplicates
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| isdup -> Nothing
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| otherwise -> Just importfile
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_ -> Just importfile
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