git-annex/Assistant/RepoProblem.hs
2015-01-21 12:50:09 -04:00

34 lines
1 KiB
Haskell

{- git-annex assistant remote problem handling
-
- Copyright 2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.RepoProblem where
import Assistant.Common
import Assistant.Types.RepoProblem
import Utility.TList
import Control.Concurrent.STM
{- Gets all repositories that have problems. Blocks until there is at
- least one. -}
getRepoProblems :: Assistant [RepoProblem]
getRepoProblems = nubBy sameRepoProblem
<$> (atomically . getTList) <<~ repoProblemChan
{- Indicates that there was a problem with a repository, and the problem
- appears to not be a transient (eg network connection) problem.
-
- If the problem is able to be repaired, the passed action will be run.
- (However, if multiple problems are reported with a single repository,
- only a single action will be run.)
-}
repoHasProblem :: UUID -> Assistant () -> Assistant ()
repoHasProblem u afterrepair = do
rp <- RepoProblem
<$> pure u
<*> asIO afterrepair
(atomically . flip consTList rp) <<~ repoProblemChan