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