git-annex/Command/Import.hs
Joey Hess 3bab5dfb1d revert parentDir change
Reverts 965e106f24

Unfortunately, this caused breakage on Windows, and possibly elsewhere,
because parentDir and takeDirectory do not behave the same when there is a
trailing directory separator.
2015-01-09 13:11:56 -04:00

115 lines
3.3 KiB
Haskell

{- git-annex command
-
- Copyright 2012-2013 Joey Hess <joey@kitenet.net>
-
- 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 =
[ duplicateOption
, deduplicateOption
, cleanDuplicatesOption
, skipDuplicatesOption
]
duplicateOption :: Option
duplicateOption = flagOption [] "duplicate" "do not delete source files"
deduplicateOption :: Option
deduplicateOption = flagOption [] "deduplicate" "delete source files whose content was imported before"
cleanDuplicatesOption :: Option
cleanDuplicatesOption = flagOption [] "clean-duplicates" "delete duplicate source files (import nothing)"
skipDuplicatesOption :: Option
skipDuplicatesOption = flagOption [] "skip-duplicates" "import only new files"
data DuplicateMode = Default | Duplicate | DeDuplicate | CleanDuplicates | SkipDuplicates
deriving (Eq)
getDuplicateMode :: Annex DuplicateMode
getDuplicateMode = gen
<$> getflag duplicateOption
<*> getflag deduplicateOption
<*> getflag cleanDuplicatesOption
<*> getflag skipDuplicatesOption
where
getflag = Annex.getFlag . optionName
gen False False False False = Default
gen True False False False = Duplicate
gen False True False False = DeDuplicate
gen False False True False = CleanDuplicates
gen False False False True = SkipDuplicates
gen _ _ _ _ = error "bad combination of --duplicate, --deduplicate, --clean-duplicates, --skip-duplicates"
seek :: CommandSeek
seek ps = do
mode <- getDuplicateMode
withPathContents (start mode) ps
start :: DuplicateMode -> (FilePath, FilePath) -> CommandStart
start mode (srcfile, destfile) =
ifM (liftIO $ isRegularFile <$> getSymbolicLinkStatus srcfile)
( do
isdup <- do
backend <- chooseBackend destfile
let ks = KeySource srcfile srcfile Nothing
v <- genKey ks backend
case v of
Just (k, _) -> not . null <$> keyLocations k
_ -> return False
case pickaction isdup 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
pickaction isdup = case mode of
DeDuplicate
| isdup -> Just deletedup
| otherwise -> Just importfile
CleanDuplicates
| isdup -> Just deletedup
| otherwise -> Nothing
SkipDuplicates
| isdup -> Nothing
| otherwise -> Just importfile
_ -> Just importfile