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{- git-annex assistant git pushing thread
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.Threads.Pusher where
import Assistant.Common
import Assistant.Commits
import Assistant.Pushes
import Assistant.DaemonStatus
import Assistant.Sync
import Utility.ThreadScheduler
import qualified Remote
import qualified Types.Remote as Remote
{- This thread retries pushes that failed before. -}
pushRetryThread :: NamedThread
pushRetryThread = namedThread "PushRetrier" $ runEvery (Seconds halfhour) <~> do
-- We already waited half an hour, now wait until there are failed
-- pushes to retry.
topush <- getFailedPushesBefore (fromIntegral halfhour)
unless (null topush) $ do
debug ["retrying", show (length topush), "failed pushes"]
void $ pushToRemotes True topush
where
halfhour = 1800
{- This thread pushes git commits out to remotes soon after they are made. -}
pushThread :: NamedThread
pushThread = namedThread "Pusher" $ runEvery (Seconds 2) <~> do
-- We already waited two seconds as a simple rate limiter.
-- Next, wait until at least one commit has been made
void getCommits
-- Now see if now's a good time to push.
void $ pushToRemotes True =<< pushTargets
{- We want to avoid pushing to remotes that are marked readonly.
-
- Also, avoid pushing to local remotes we can easily tell are not available,
- to avoid ugly messages when a removable drive is not attached.
-}
pushTargets :: Assistant [Remote]
pushTargets = liftIO . filterM (Remote.checkAvailable True)
=<< candidates <$> getDaemonStatus
where
candidates = filter (not . Remote.readonly) . syncGitRemotes
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