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|
{- git-annex fsck results log files
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Logs.FsckResults (
writeFsckResults,
readFsckResults
) where
import Common.Annex
import Utility.Tmp
import Git.Fsck
import Git.Types
import qualified Data.Set as S
writeFsckResults :: UUID -> FsckResults -> Annex ()
writeFsckResults u fsckresults = do
logfile <- fromRepo $ gitAnnexFsckResultsLog u
liftIO $
case fsckresults of
Nothing -> store S.empty logfile
Just s
| S.null s -> nukeFile logfile
| otherwise -> store s logfile
where
store s logfile = do
createDirectoryIfMissing True (parentDir logfile)
liftIO $ viaTmp writeFile logfile $ serialize s
serialize = unlines . map show . S.toList
readFsckResults :: UUID -> Annex FsckResults
readFsckResults u = do
logfile <- fromRepo $ gitAnnexFsckResultsLog u
liftIO $ catchDefaultIO (Just S.empty) $
deserialize <$> readFile logfile
where
deserialize l =
let s = S.fromList $ map Ref $ lines l
in if S.null s then Nothing else Just s
|
