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