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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 Git
import qualified Annex
import qualified Command.Add
import Utility.CopyFile
import Backend
import Remote
import Types.KeySource
import Types.Key
import Annex.CheckIgnore
import Annex.NumCopies
cmd :: Command
cmd = withGlobalOptions fileMatchingOptions $ notBareRepo $
command "import" SectionCommon
"move and add files from outside git working copy"
paramPaths (seek <$$> optParser)
data DuplicateMode = Default | Duplicate | DeDuplicate | CleanDuplicates | SkipDuplicates
deriving (Eq)
data ImportOptions = ImportOptions
{ importFiles :: CmdParams
, duplicateMode :: DuplicateMode
}
optParser :: CmdParamsDesc -> Parser ImportOptions
optParser desc = ImportOptions
<$> cmdParams desc
<*> (fromMaybe Default <$> optional duplicateModeParser)
duplicateModeParser :: Parser DuplicateMode
duplicateModeParser =
flag' Duplicate
( long "duplicate"
<> help "do not delete source files"
)
<|> flag' DeDuplicate
( long "deduplicate"
<> help "delete source files whose content was imported before"
)
<|> flag' CleanDuplicates
( long "clean-duplicates"
<> help "delete duplicate source files (import nothing)"
)
<|> flag' SkipDuplicates
( long "skip-duplicates"
<> help "import only new files"
)
seek :: ImportOptions -> CommandSeek
seek o = do
repopath <- liftIO . absPath =<< fromRepo Git.repoPath
inrepops <- liftIO $ filter (dirContains repopath) <$> mapM absPath (importFiles o)
unless (null inrepops) $ do
error $ "cannot import files from inside the working tree (use git annex add instead): " ++ unwords inrepops
withPathContents (start (duplicateMode o)) (importFiles o)
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 k = do
showNote $ "duplicate of " ++ key2file k
verifyExisting k destfile
( do
liftIO $ removeFile srcfile
next $ return True
, do
warning "Could not verify that the content is still present in the annex; not removing from the import location."
stop
)
importfile = do
ignored <- not <$> Annex.getState Annex.force <&&> checkIgnored destfile
if ignored
then do
warning $ "not importing " ++ destfile ++ " which is .gitignored (use --force to override)"
stop
else do
existing <- liftIO (catchMaybeIO $ getSymbolicLinkStatus destfile)
case existing of
Nothing -> importfilechecked
(Just s)
| isDirectory s -> notoverwriting "(is a directory)"
| otherwise -> ifM (Annex.getState Annex.force)
( do
liftIO $ nukeFile destfile
importfilechecked
, notoverwriting "(use --force to override, or a duplication option such as --deduplicate to clean up)"
)
importfilechecked = do
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
notoverwriting why = do
warning $ "not overwriting existing " ++ destfile ++ " " ++ why
stop
checkdup dupa notdupa = do
backend <- chooseBackend destfile
let ks = KeySource srcfile srcfile Nothing
v <- genKey ks backend
case v of
Just (k, _) -> ifM (not . null <$> keyLocations k)
( return (maybe Nothing (\a -> Just (a k)) dupa)
, return notdupa
)
_ -> return notdupa
pickaction = case mode of
DeDuplicate -> checkdup (Just deletedup) (Just importfile)
CleanDuplicates -> checkdup (Just deletedup) Nothing
SkipDuplicates -> checkdup Nothing (Just importfile)
_ -> return (Just importfile)
verifyExisting :: Key -> FilePath -> (CommandPerform, CommandPerform) -> CommandPerform
verifyExisting key destfile (yes, no) = do
-- Look up the numcopies setting for the file that it would be
-- imported to, if it were imported.
need <- getFileNumCopies destfile
(tocheck, preverified) <- verifiableCopies key []
verifyEnoughCopiesToDrop [] key Nothing need [] preverified tocheck
(const yes) no
|
