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|
{- git-annex command
-
- Copyright 2012-2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Import where
import Common.Annex
import Command
import qualified Annex
import qualified Command.Add
import Utility.CopyFile
import Backend
import Remote
import Types.KeySource
cmd :: [Command]
cmd = [withOptions opts $ notBareRepo $ command "import" paramPaths seek
SectionCommon "move and add files from outside git working copy"]
opts :: [Option]
opts = duplicateModeOptions ++ fileMatchingOptions
data DuplicateMode = Default | Duplicate | DeDuplicate | CleanDuplicates | SkipDuplicates
deriving (Eq, Enum, Bounded)
associatedOption :: DuplicateMode -> Maybe Option
associatedOption Default = Nothing
associatedOption Duplicate = Just $
flagOption [] "duplicate" "do not delete source files"
associatedOption DeDuplicate = Just $
flagOption [] "deduplicate" "delete source files whose content was imported before"
associatedOption CleanDuplicates = Just $
flagOption [] "clean-duplicates" "delete duplicate source files (import nothing)"
associatedOption SkipDuplicates = Just $
flagOption [] "skip-duplicates" "import only new files"
duplicateModeOptions :: [Option]
duplicateModeOptions = mapMaybe associatedOption [minBound..maxBound]
getDuplicateMode :: Annex DuplicateMode
getDuplicateMode = go . catMaybes <$> mapM getflag [minBound..maxBound]
where
getflag m = case associatedOption m of
Nothing -> return Nothing
Just o -> ifM (Annex.getFlag (optionName o))
( return (Just m)
, return Nothing
)
go [] = Default
go [m] = m
go ms = error $ "cannot combine " ++
unwords (map (optionParam . fromJust . associatedOption) ms)
seek :: CommandSeek
seek ps = do
mode <- getDuplicateMode
withPathContents (start mode) ps
start :: DuplicateMode -> (FilePath, FilePath) -> CommandStart
start mode (srcfile, destfile) =
ifM (liftIO $ isRegularFile <$> getSymbolicLinkStatus srcfile)
( do
ma <- pickaction
case ma of
Nothing -> stop
Just a -> do
showStart "import" destfile
next a
, stop
)
where
deletedup = do
showNote "duplicate"
liftIO $ removeFile srcfile
next $ return True
importfile = do
handleexisting =<< liftIO (catchMaybeIO $ getSymbolicLinkStatus destfile)
liftIO $ createDirectoryIfMissing True (parentDir destfile)
liftIO $ if mode == Duplicate || mode == SkipDuplicates
then void $ copyFileExternal CopyAllMetaData srcfile destfile
else moveFile srcfile destfile
Command.Add.perform destfile
handleexisting Nothing = noop
handleexisting (Just s)
| isDirectory s = notoverwriting "(is a directory)"
| otherwise = ifM (Annex.getState Annex.force)
( liftIO $ nukeFile destfile
, notoverwriting "(use --force to override)"
)
notoverwriting why = error $ "not overwriting existing " ++ destfile ++ " " ++ why
checkdup dupa notdupa = do
backend <- chooseBackend destfile
let ks = KeySource srcfile srcfile Nothing
v <- genKey ks backend
isdup <- case v of
Just (k, _) -> not . null <$> keyLocations k
_ -> return False
return $ if isdup then dupa else notdupa
pickaction = case mode of
DeDuplicate -> checkdup (Just deletedup) (Just importfile)
CleanDuplicates -> checkdup (Just deletedup) Nothing
SkipDuplicates -> checkdup Nothing (Just importfile)
_ -> return (Just importfile)
|
