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{- git-annex command queue
-
- Copyright 2011, 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Annex.Queue (
addCommand,
addUpdateIndex,
flush,
flushWhenFull,
size
) where
import Common.Annex
import Annex hiding (new)
import qualified Git.Queue
import qualified Git.UpdateIndex
import Config
{- Adds a git command to the queue. -}
addCommand :: String -> [CommandParam] -> [FilePath] -> Annex ()
addCommand command params files = do
q <- get
store <=< inRepo $ Git.Queue.addCommand command params files q
{- Adds an update-index stream to the queue. -}
addUpdateIndex :: Git.UpdateIndex.Streamer -> Annex ()
addUpdateIndex streamer = do
q <- get
store <=< inRepo $ Git.Queue.addUpdateIndex streamer q
{- Runs the queue if it is full. Should be called periodically. -}
flushWhenFull :: Annex ()
flushWhenFull = do
q <- get
when (Git.Queue.full q) flush
{- Runs (and empties) the queue. -}
flush :: Annex ()
flush = do
q <- get
unless (0 == Git.Queue.size q) $ do
showStoringStateAction
q' <- inRepo $ Git.Queue.flush q
store q'
{- Gets the size of the queue. -}
size :: Annex Int
size = Git.Queue.size <$> get
get :: Annex Git.Queue.Queue
get = maybe new return =<< getState repoqueue
new :: Annex Git.Queue.Queue
new = do
q <- Git.Queue.new <$> queuesize
store q
return q
where
queuesize = readish <$> getConfig (annexConfig "queuesize") ""
store :: Git.Queue.Queue -> Annex ()
store q = changeState $ \s -> s { repoqueue = Just q }
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