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|
{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Add where
import Control.Monad.State (liftIO)
import System.Posix.Files
import Command
import qualified Annex
import qualified Backend
import LocationLog
import Types
import Content
import Messages
import Utility
import Touch
command :: [Command]
command = [repoCommand "add" paramPath seek "add files to annex"]
{- Add acts on both files not checked into git yet, and unlocked files. -}
seek :: [CommandSeek]
seek = [withFilesNotInGit start, withFilesUnlocked start]
{- The add subcommand annexes a file, storing it in a backend, and then
- moving it into the annex directory and setting up the symlink pointing
- to its content. -}
start :: CommandStartBackendFile
start pair@(file, _) = notAnnexed file $ do
s <- liftIO $ getSymbolicLinkStatus file
if (isSymbolicLink s) || (not $ isRegularFile s)
then return Nothing
else do
showStart "add" file
return $ Just $ perform pair
perform :: BackendFile -> CommandPerform
perform (file, backend) = do
stored <- Backend.storeFileKey file backend
case stored of
Nothing -> return Nothing
Just (key, _) -> do
moveAnnex key file
return $ Just $ cleanup file key
cleanup :: FilePath -> Key -> CommandCleanup
cleanup file key = do
logStatus key ValuePresent
link <- calcGitLink file key
liftIO $ createSymbolicLink link file
-- touch the symlink to have the same mtime as the file it points to
s <- liftIO $ getFileStatus file
let mtime = modificationTime s
liftIO $ touch file (TimeSpec mtime) False
Annex.queue "add" [Param "--"] file
return True
|
