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