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|
{- git-annex command
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Indirect where
import Common.Annex
import Command
import qualified Git
import qualified Git.Command
import qualified Git.LsFiles
import Config
import qualified Annex
import Annex.Direct
import Annex.Content
import Annex.CatFile
import Init
def :: [Command]
def = [notBareRepo $ command "indirect" paramNothing seek
"switch repository to indirect mode"]
seek :: [CommandSeek]
seek = [withNothing start]
start :: CommandStart
start = ifM isDirect
( do
unlessM (coreSymlinks <$> Annex.getGitConfig) $
error "Git is configured to not use symlinks, so you must use direct mode."
whenM probeCrippledFileSystem $
error "This repository seems to be on a crippled filesystem, you must use direct mode."
next perform
, stop
)
perform :: CommandPerform
perform = do
showStart "commit" ""
whenM (stageDirect) $ do
showOutput
void $ inRepo $ Git.Command.runBool "commit"
[Param "-m", Param "commit before switching to indirect mode"]
showEndOk
-- Note that we set indirect mode early, so that we can use
-- moveAnnex in indirect mode.
setDirect False
top <- fromRepo Git.repoPath
(l, clean) <- inRepo $ Git.LsFiles.stagedDetails [top]
forM_ l go
void $ liftIO clean
next cleanup
where
{- Walk tree from top and move all present direct mode files into
- the annex, replacing with symlinks. Also delete direct mode
- caches and mappings. -}
go (_, Nothing) = noop
go (f, Just sha) = do
r <- liftIO $ catchMaybeIO $ getSymbolicLinkStatus f
case r of
Just s
| isSymbolicLink s -> void $ flip whenAnnexed f $
\_ (k, _) -> do
cleandirect k
return Nothing
| otherwise ->
maybe noop (fromdirect f)
=<< catKey sha
_ -> noop
fromdirect f k = do
showStart "indirect" f
cleandirect k -- clean before content directory gets frozen
whenM (liftIO $ not . isSymbolicLink <$> getSymbolicLinkStatus f) $ do
moveAnnex k f
l <- calcGitLink f k
liftIO $ createSymbolicLink l f
showEndOk
cleandirect k = do
liftIO . nukeFile =<< inRepo (gitAnnexInodeCache k)
liftIO . nukeFile =<< inRepo (gitAnnexMapping k)
cleanup :: CommandCleanup
cleanup = do
showStart "indirect" ""
showEndOk
return True
|
