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|
{- git-annex command
-
- Copyright 2011 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Reinject where
import Common.Annex
import Command
import Logs.Location
import Annex.Content
cmd :: Command
cmd = command "reinject" SectionUtility
"sets content of annexed file"
(paramPair "SRC" "DEST") (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords start
start :: [FilePath] -> CommandStart
start (src:dest:[])
| src == dest = stop
| otherwise =
ifAnnexed src
(error $ "cannot used annexed file as src: " ++ src)
go
where
go = do
showStart "reinject" dest
next $ whenAnnexed (perform src) dest
start _ = error "specify a src file and a dest file"
perform :: FilePath -> FilePath -> Key -> CommandPerform
perform src _dest key = ifM move
( next $ cleanup key
, error "failed"
)
where
-- The file might be on a different filesystem,
-- so moveFile is used rather than simply calling
-- moveToObjectDir; disk space is also checked this way,
-- and the file's content is verified to match the key.
move = getViaTmp DefaultVerify key $ \tmp -> unVerified $
liftIO $ catchBoolIO $ do
moveFile src tmp
return True
cleanup :: Key -> CommandCleanup
cleanup key = do
logStatus key InfoPresent
return True
|
