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|
{- git-annex command
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Reinject where
import Common.Annex
import Command
import Logs.Location
import Annex.Content
import qualified Command.Fsck
def :: [Command]
def = [command "reinject" (paramPair "SRC" "DEST") seek
"sets content of annexed file"]
seek :: [CommandSeek]
seek = [withWords start]
start :: [FilePath] -> CommandStart
start (src:dest:[])
| src == dest = stop
| otherwise = do
ifAnnexed src
(error $ "cannot used annexed file as src: " ++ src)
(next $ whenAnnexed (perform src) dest)
start _ = error "specify a src file and a dest file"
perform :: FilePath -> FilePath -> (Key, Backend Annex) -> CommandPerform
perform src _dest (key, backend) = do
unlessM move $ error "mv failed!"
next $ cleanup key backend
where
-- the file might be on a different filesystem,
-- so mv is used rather than simply calling
-- moveToObjectDir; disk space is also
-- checked this way.
move = getViaTmp key $ \tmp ->
liftIO $ boolSystem "mv" [File src, File tmp]
cleanup :: Key -> Backend Annex -> CommandCleanup
cleanup key backend = do
logStatus key InfoPresent
-- fsck the new content
size_ok <- Command.Fsck.checkKeySize key
backend_ok <- Command.Fsck.checkBackend backend key
return $ size_ok && backend_ok
|
