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{- git-annex assistant git-annex branch change tracking
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.BranchChange where
import Control.Concurrent.MSampleVar
type BranchChangeHandle = MSampleVar ()
newBranchChangeHandle :: IO BranchChangeHandle
newBranchChangeHandle = newEmptySV
branchChanged :: BranchChangeHandle -> IO ()
branchChanged = flip writeSV ()
waitBranchChange :: BranchChangeHandle -> IO ()
waitBranchChange = readSV
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