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{- git-annex command
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Status where
import Common.Annex
import Command
import Annex.CatFile
import Annex.Content.Direct
import Config
import qualified Git.LsFiles as LsFiles
import qualified Git.Ref
import qualified Git
def :: [Command]
def = [notBareRepo $ noCommit $ noMessages $
command "status" paramPaths seek SectionCommon
"show the working tree status"]
seek :: [CommandSeek]
seek =
[ withWords start
]
start :: [FilePath] -> CommandStart
start [] = do
-- Like git status, when run without a directory, behave as if
-- given the path to the top of the repository.
cwd <- liftIO getCurrentDirectory
top <- fromRepo Git.repoPath
next $ perform [relPathDirToFile cwd top]
start locs = next $ perform locs
perform :: [FilePath] -> CommandPerform
perform locs = do
(l, cleanup) <- inRepo $ LsFiles.modifiedOthers locs
getstatus <- ifM isDirect
( return statusDirect
, return $ Just <$$> statusIndirect
)
forM_ l $ \f -> maybe noop (showFileStatus f) =<< getstatus f
void $ liftIO cleanup
next $ return True
data Status
= NewFile
| DeletedFile
| ModifiedFile
showStatus :: Status -> String
showStatus NewFile = "?"
showStatus DeletedFile = "D"
showStatus ModifiedFile = "M"
showFileStatus :: FilePath -> Status -> Annex ()
showFileStatus f s = liftIO $ putStrLn $ showStatus s ++ " " ++ f
statusDirect :: FilePath -> Annex (Maybe Status)
statusDirect f = checkstatus =<< liftIO (catchMaybeIO $ getFileStatus f)
where
checkstatus Nothing = return $ Just DeletedFile
checkstatus (Just s)
-- Git thinks that present direct mode files modifed,
-- so have to check.
| not (isSymbolicLink s) = checkkey s =<< catKeyFile f
| otherwise = Just <$> checkNew f
checkkey s (Just k) = ifM (sameFileStatus k s)
( return Nothing
, return $ Just ModifiedFile
)
checkkey _ Nothing = Just <$> checkNew f
statusIndirect :: FilePath -> Annex Status
statusIndirect f = ifM (liftIO $ isJust <$> catchMaybeIO (getFileStatus f))
( checkNew f
, return DeletedFile
)
where
checkNew :: FilePath -> Annex Status
checkNew f = ifM (isJust <$> catObjectDetails (Git.Ref.fileRef f))
( return ModifiedFile
, return NewFile
)
|
