git-annex/Annex/Queue.hs
2012-03-22 17:32:47 -04:00

53 lines
1.2 KiB
Haskell

{- git-annex command queue
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Annex.Queue (
add,
flush,
flushWhenFull
) where
import Common.Annex
import Annex hiding (new)
import qualified Git.Queue
import Config
{- Adds a git command to the queue. -}
add :: String -> [CommandParam] -> [FilePath] -> Annex ()
add command params files = do
q <- get
store $ Git.Queue.add q command params files
{- Runs the queue if it is full. Should be called periodically. -}
flushWhenFull :: Annex ()
flushWhenFull = do
q <- get
when (Git.Queue.full q) $ flush False
{- Runs (and empties) the queue. -}
flush :: Bool -> Annex ()
flush silent = do
q <- get
unless (0 == Git.Queue.size q) $ do
unless silent $
showSideAction "Recording state in git"
q' <- inRepo $ Git.Queue.flush q
store q'
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 "annex.queuesize" ""
store :: Git.Queue.Queue -> Annex ()
store q = changeState $ \s -> s { repoqueue = Just q }