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{- git-annex assistant thread to detect when upgrade is available
-
- Copyright 2013 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP #-}
module Assistant.Threads.Upgrader (
upgraderThread
) where
import Assistant.Common
import Assistant.Upgrade
import Assistant.Types.UrlRenderer
import Assistant.DaemonStatus
import Assistant.Alert
import Utility.NotificationBroadcaster
import qualified Annex
import qualified Build.SysConfig
import qualified Git.Version
import Types.Distribution
#ifdef WITH_WEBAPP
import Assistant.WebApp.Types
#endif
import Data.Time.Clock
import qualified Data.Text as T
upgraderThread :: UrlRenderer -> NamedThread
upgraderThread urlrenderer = namedThread "Upgrader" $
when (isJust Build.SysConfig.upgradelocation) $ do
{- Check for upgrade on startup, unless it was just
- upgraded. -}
unlessM (liftIO checkSuccessfulUpgrade) $
checkUpgrade urlrenderer
h <- liftIO . newNotificationHandle False . networkConnectedNotifier =<< getDaemonStatus
go h =<< liftIO getCurrentTime
where
{- Wait for a network connection event. Then see if it's been
- half a day since the last upgrade check. If so, proceed with
- check. -}
go h lastchecked = do
liftIO $ waitNotification h
autoupgrade <- liftAnnex $ annexAutoUpgrade <$> Annex.getGitConfig
if autoupgrade == NoAutoUpgrade
then go h lastchecked
else do
now <- liftIO getCurrentTime
if diffUTCTime now lastchecked > halfday
then do
checkUpgrade urlrenderer
go h =<< liftIO getCurrentTime
else go h lastchecked
halfday = 12 * 60 * 60
checkUpgrade :: UrlRenderer -> Assistant ()
checkUpgrade urlrenderer = do
debug [ "Checking if an upgrade is available." ]
go =<< downloadDistributionInfo
where
go Nothing = debug [ "Failed to check if upgrade is available." ]
go (Just d) = do
let installed = Git.Version.normalize Build.SysConfig.packageversion
let avail = Git.Version.normalize $ distributionVersion d
let old = Git.Version.normalize <$> distributionUrgentUpgrade d
if Just installed <= old
then canUpgrade High urlrenderer d
else if installed < avail
then canUpgrade Low urlrenderer d
else debug [ "No new version found." ]
canUpgrade :: AlertPriority -> UrlRenderer -> GitAnnexDistribution -> Assistant ()
canUpgrade urgency urlrenderer d = ifM autoUpgradeEnabled
( startDistributionDownload d
, do
#ifdef WITH_WEBAPP
button <- mkAlertButton True (T.pack "Upgrade") urlrenderer (ConfigStartUpgradeR d)
void $ addAlert (canUpgradeAlert urgency (distributionVersion d) button)
#else
noop
#endif
)
|
