git-annex/Assistant/Threads/ProblemFixer.hs
Joey Hess b6d46c212e git-annex (5.20140402) unstable; urgency=medium
* unannex, uninit: Avoid committing after every file is unannexed,
    for massive speedup.
  * --notify-finish switch will cause desktop notifications after each
    file upload/download/drop completes
    (using the dbus Desktop Notifications Specification)
  * --notify-start switch will show desktop notifications when each
    file upload/download starts.
  * webapp: Automatically install Nautilus integration scripts
    to get and drop files.
  * tahoe: Pass -d parameter before subcommand; putting it after
    the subcommand no longer works with tahoe-lafs version 1.10.
    (Thanks, Alberto Berti)
  * forget --drop-dead: Avoid removing the dead remote from the trust.log,
    so that if git remotes for it still exist anywhere, git annex info
    will still know it's dead and not show it.
  * git-annex-shell: Make configlist automatically initialize
    a remote git repository, as long as a git-annex branch has
    been pushed to it, to simplify setup of remote git repositories,
    including via gitolite.
  * add --include-dotfiles: New option, perhaps useful for backups.
  * Version 5.20140227 broke creation of glacier repositories,
    not including the datacenter and vault in their configuration.
    This bug is fixed, but glacier repositories set up with the broken
    version of git-annex need to have the datacenter and vault set
    in order to be usable. This can be done using git annex enableremote
    to add the missing settings. For details, see
    http://git-annex.branchable.com/bugs/problems_with_glacier/
  * Added required content configuration.
  * assistant: Improve ssh authorized keys line generated in local pairing
    or for a remote ssh server to set environment variables in an
    alternative way that works with the non-POSIX fish shell, as well
    as POSIX shells.

# imported from the archive
2014-04-02 21:42:53 +01:00

70 lines
2.3 KiB
Haskell

{- git-annex assistant thread to handle fixing problems with repositories
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.Threads.ProblemFixer (
problemFixerThread
) where
import Assistant.Common
import Assistant.Types.RepoProblem
import Assistant.RepoProblem
import Assistant.Types.UrlRenderer
import Assistant.Alert
import Remote
import qualified Types.Remote as Remote
import qualified Git.Fsck
import Assistant.Repair
import qualified Git
import Annex.UUID
import Utility.ThreadScheduler
{- Waits for problems with a repo, and tries to fsck the repo and repair
- the problem. -}
problemFixerThread :: UrlRenderer -> NamedThread
problemFixerThread urlrenderer = namedThread "ProblemFixer" $
go =<< getRepoProblems
where
go problems = do
mapM_ (handleProblem urlrenderer) problems
liftIO $ threadDelaySeconds (Seconds 60)
-- Problems may have been re-reported while they were being
-- fixed, so ignore those. If a new unique problem happened
-- 60 seconds after the last was fixed, we're unlikely
-- to do much good anyway.
go =<< filter (\p -> not (any (sameRepoProblem p) problems))
<$> getRepoProblems
handleProblem :: UrlRenderer -> RepoProblem -> Assistant ()
handleProblem urlrenderer repoproblem = do
fixed <- ifM ((==) (problemUUID repoproblem) <$> liftAnnex getUUID)
( handleLocalRepoProblem urlrenderer
, maybe (return False) (handleRemoteProblem urlrenderer)
=<< liftAnnex (remoteFromUUID $ problemUUID repoproblem)
)
when fixed $
liftIO $ afterFix repoproblem
handleRemoteProblem :: UrlRenderer -> Remote -> Assistant Bool
handleRemoteProblem urlrenderer rmt
| Git.repoIsLocal r && not (Git.repoIsLocalUnknown r) =
ifM (liftIO $ checkAvailable True rmt)
( do
fixedlocks <- repairStaleGitLocks r
fsckresults <- showFscking urlrenderer (Just rmt) $ tryNonAsync $
Git.Fsck.findBroken True r
repaired <- repairWhenNecessary urlrenderer (Remote.uuid rmt) (Just rmt) fsckresults
return $ fixedlocks || repaired
, return False
)
| otherwise = return False
where
r = Remote.repo rmt
{- This is not yet used, and should probably do a fsck. -}
handleLocalRepoProblem :: UrlRenderer -> Assistant Bool
handleLocalRepoProblem _urlrenderer = do
repairStaleGitLocks =<< liftAnnex gitRepo