48 lines
1.7 KiB
Haskell
48 lines
1.7 KiB
Haskell
{- git-annex assistant git pushing thread
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-
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- Copyright 2012 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 Assistant.Threads.Pusher where
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import Assistant.Common
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import Assistant.Commits
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import Assistant.Pushes
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import Assistant.DaemonStatus
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import Assistant.Sync
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import Utility.ThreadScheduler
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import qualified Types.Remote as Remote
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{- This thread retries pushes that failed before. -}
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pushRetryThread :: NamedThread
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pushRetryThread = namedThread "PushRetrier" $ runEvery (Seconds halfhour) <~> do
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-- We already waited half an hour, now wait until there are failed
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-- pushes to retry.
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topush <- getFailedPushesBefore (fromIntegral halfhour)
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unless (null topush) $ do
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debug ["retrying", show (length topush), "failed pushes"]
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void $ pushToRemotes True topush
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where
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halfhour = 1800
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{- This thread pushes git commits out to remotes soon after they are made. -}
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pushThread :: NamedThread
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pushThread = namedThread "Pusher" $ runEvery (Seconds 2) <~> do
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-- We already waited two seconds as a simple rate limiter.
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-- Next, wait until at least one commit has been made
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void getCommits
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-- Now see if now's a good time to push.
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void $ pushToRemotes True =<< pushTargets
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{- We want to avoid pushing to remotes that are marked readonly.
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-
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- Also, avoid pushing to local remotes we can easily tell are not available,
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- to avoid ugly messages when a removable drive is not attached.
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-}
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pushTargets :: Assistant [Remote]
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pushTargets = liftIO . filterM available =<< candidates <$> getDaemonStatus
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where
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candidates = filter (not . Remote.readonly) . syncGitRemotes
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available = maybe (return True) doesDirectoryExist . Remote.localpath
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