53526136e8
This is groundwork for nested seek loops, eg seeking over all files and then performing commandActions on a list of remotes, which can be done concurrently. This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
108 lines
3.1 KiB
Haskell
108 lines
3.1 KiB
Haskell
{- git-annex command
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-
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- Copyright 2013-2015 Joey Hess <id@joeyh.name>
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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 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 Git.Status
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import qualified Git.Ref
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import Git.FilePath
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cmd :: Command
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cmd = notBareRepo $ noCommit $ noMessages $
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withGlobalOptions [jsonOptions] $
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command "status" SectionCommon
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"show the working tree status"
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paramPaths (seek <$$> optParser)
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data StatusOptions = StatusOptions
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{ statusFiles :: CmdParams
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, ignoreSubmodules :: Maybe String
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}
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optParser :: CmdParamsDesc -> Parser StatusOptions
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optParser desc = StatusOptions
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<$> cmdParams desc
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<*> optional (strOption
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( long "ignore-submodules"
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<> help "passed on to git status"
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<> metavar "WHEN"
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))
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seek :: StatusOptions -> CommandSeek
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seek o = withWords (commandAction . start o) (statusFiles o)
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start :: StatusOptions -> [FilePath] -> CommandStart
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start o locs = do
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(l, cleanup) <- inRepo $ getStatus ps locs
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getstatus <- ifM isDirect
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( return (maybe (pure Nothing) statusDirect . simplifiedStatus)
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, return (pure . simplifiedStatus)
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)
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forM_ l $ \s -> maybe noop displayStatus =<< getstatus s
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ifM (liftIO cleanup)
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( stop
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, giveup "git status failed"
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)
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where
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ps = case ignoreSubmodules o of
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Nothing -> []
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Just s -> [Param $ "--ignore-submodules="++s]
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-- Prefer to show unstaged status in this simplified status.
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simplifiedStatus :: StagedUnstaged Status -> Maybe Status
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simplifiedStatus (StagedUnstaged { unstaged = Just s }) = Just s
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simplifiedStatus (StagedUnstaged { staged = Just s }) = Just s
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simplifiedStatus _ = Nothing
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displayStatus :: Status -> Annex ()
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-- Renames not shown in this simplified status
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displayStatus (Renamed _ _) = noop
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displayStatus s = do
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let c = statusChar s
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absf <- fromRepo $ fromTopFilePath (statusFile s)
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f <- liftIO $ relPathCwdToFile absf
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unlessM (showFullJSON $ JSONChunk [("status", [c]), ("file", f)]) $
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liftIO $ putStrLn $ [c] ++ " " ++ f
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-- Git thinks that present direct mode files are typechanged.
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-- (On crippled filesystems, git instead thinks they're modified.)
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-- Check their content to see if they are modified or not.
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statusDirect :: Status -> Annex (Maybe Status)
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statusDirect (TypeChanged t) = statusDirect' t
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statusDirect s@(Modified t) = ifM crippledFileSystem
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( statusDirect' t
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, pure (Just s)
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)
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statusDirect s = pure (Just s)
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statusDirect' :: TopFilePath -> Annex (Maybe Status)
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statusDirect' t = do
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absf <- fromRepo $ fromTopFilePath t
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f <- liftIO $ relPathCwdToFile absf
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v <- liftIO (catchMaybeIO $ getFileStatus f)
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case v of
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Nothing -> return $ Just $ Deleted t
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Just s
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| not (isSymbolicLink s) ->
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checkkey f s =<< catKeyFile f
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| otherwise -> Just <$> checkNew f t
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where
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checkkey f s (Just k) = ifM (sameFileStatus k f s)
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( return Nothing
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, return $ Just $ Modified t
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)
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checkkey f _ Nothing = Just <$> checkNew f t
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checkNew :: FilePath -> TopFilePath -> Annex Status
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checkNew f t = ifM (isJust <$> catObjectDetails (Git.Ref.fileRef f))
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( return (Modified t)
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, return (Untracked t)
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)
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