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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 Command
import qualified Git
import qualified Annex
import qualified Command.Add
import Utility.CopyFile
import Backend
import Remote
import Types.KeySource
import Annex.CheckIgnore
import Annex.NumCopies
import Annex.FileMatcher
cmd :: Command
cmd = withGlobalOptions (jobsOption : jsonOption : 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 = allowConcurrentOutput $ do
repopath <- liftIO . absPath =<< fromRepo Git.repoPath
inrepops <- liftIO $ filter (dirContains repopath) <$> mapM absPath (importFiles o)
unless (null inrepops) $ do
giveup $ "cannot import files from inside the working tree (use git annex add instead): " ++ unwords inrepops
largematcher <- largeFilesMatcher
withPathContents (start largematcher (duplicateMode o)) (importFiles o)
start :: GetFileMatcher -> DuplicateMode -> (FilePath, FilePath) -> CommandStart
start largematcher 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 = checkdestdir $ 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)"
| isSymbolicLink s -> notoverwriting "(is a symlink)"
| 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)"
)
checkdestdir cont = do
let destdir = parentDir destfile
existing <- liftIO (catchMaybeIO $ getSymbolicLinkStatus destdir)
case existing of
Nothing -> cont
Just s
| isDirectory s -> cont
| otherwise -> do
warning $ "not importing " ++ destfile ++ " because " ++ destdir ++ " is not a directory"
stop
importfilechecked = do
liftIO $ createDirectoryIfMissing True (parentDir destfile)
liftIO $ if mode == Duplicate || mode == SkipDuplicates
then void $ copyFileExternal CopyAllMetaData srcfile destfile
else moveFile srcfile destfile
ifM (checkFileMatcher largematcher destfile)
( Command.Add.perform destfile
, next $ Command.Add.addSmall 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
|
