e872c3f648
This avoids some small overhead by only running the check once per command; it also ensures that, even if the command doesn't find anything to run on, it still fails to run when in a bare repo.
83 lines
2 KiB
Haskell
83 lines
2 KiB
Haskell
{- git-annex command
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-
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- Copyright 2012 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.Indirect where
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import Common.Annex
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import Command
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import qualified Git
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import qualified Git.Command
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import qualified Git.LsFiles
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import Config
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import Annex.Direct
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import Annex.Content
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import Annex.CatFile
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def :: [Command]
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def = [notBareRepo $ command "indirect" paramNothing seek
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"switch repository to indirect mode"]
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seek :: [CommandSeek]
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seek = [withNothing start]
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start :: CommandStart
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start = ifM isDirect ( next perform, stop )
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perform :: CommandPerform
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perform = do
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showStart "commit" ""
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whenM (stageDirect) $ do
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showOutput
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void $ inRepo $ Git.Command.runBool "commit"
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[Param "-m", Param "commit before switching to indirect mode"]
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showEndOk
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-- Note that we set indirect mode early, so that we can use
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-- moveAnnex in indirect mode.
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setDirect False
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top <- fromRepo Git.repoPath
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(l, clean) <- inRepo $ Git.LsFiles.stagedDetails [top]
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forM_ l go
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void $ liftIO clean
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next cleanup
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where
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{- Walk tree from top and move all present direct mode files into
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- the annex, replacing with symlinks. Also delete direct mode
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- caches and mappings. -}
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go (_, Nothing) = noop
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go (f, Just sha) = do
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r <- liftIO $ catchMaybeIO $ getSymbolicLinkStatus f
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case r of
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Just s
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| isSymbolicLink s -> void $ flip whenAnnexed f $
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\_ (k, _) -> do
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cleandirect k
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return Nothing
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| otherwise ->
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maybe noop (fromdirect f)
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=<< catKey sha
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_ -> noop
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fromdirect f k = do
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showStart "indirect" f
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cleandirect k -- clean before content directory gets frozen
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whenM (liftIO $ not . isSymbolicLink <$> getSymbolicLinkStatus f) $ do
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moveAnnex k f
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l <- calcGitLink f k
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liftIO $ createSymbolicLink l f
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showEndOk
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cleandirect k = do
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liftIO . nukeFile =<< inRepo (gitAnnexCache k)
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liftIO . nukeFile =<< inRepo (gitAnnexMapping k)
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cleanup :: CommandCleanup
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cleanup = do
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showStart "indirect" ""
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showEndOk
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return True
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