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|
{- git-annex fsck results log files
-
- Copyright 2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Logs.FsckResults (
writeFsckResults,
readFsckResults,
clearFsckResults,
) where
import Annex.Common
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
FsckFailed -> store S.empty False logfile
FsckFoundMissing s t
| S.null s -> nukeFile logfile
| otherwise -> store s t logfile
where
store s t logfile = do
createDirectoryIfMissing True (parentDir logfile)
liftIO $ viaTmp writeFile logfile $ serialize s t
serialize s t =
let ls = map fromRef (S.toList s)
in if t
then unlines ("truncated":ls)
else unlines ls
readFsckResults :: UUID -> Annex FsckResults
readFsckResults u = do
logfile <- fromRepo $ gitAnnexFsckResultsLog u
liftIO $ catchDefaultIO (FsckFoundMissing S.empty False) $
deserialize . lines <$> readFile logfile
where
deserialize ("truncated":ls) = deserialize' ls True
deserialize ls = deserialize' ls False
deserialize' ls t =
let s = S.fromList $ map Ref ls
in if S.null s then FsckFailed else FsckFoundMissing s t
clearFsckResults :: UUID -> Annex ()
clearFsckResults = liftIO . nukeFile <=< fromRepo . gitAnnexFsckResultsLog
|
