40ecf58d4bThis does not change the overall license of the git-annex program, which was already AGPL due to a number of sources files being AGPL already. Legally speaking, I'm adding a new license under which these files are now available; I already released their current contents under the GPL license. Now they're dual licensed GPL and AGPL. However, I intend for all my future changes to these files to only be released under the AGPL license, and I won't be tracking the dual licensing status, so I'm simply changing the license statement to say it's AGPL. (In some cases, others wrote parts of the code of a file and released it under the GPL; but in all cases I have contributed a significant portion of the code in each file and it's that code that is getting the AGPL license; the GPL license of other contributors allows combining with AGPL code.)
47 lines
1.5 KiB
Haskell
47 lines
1.5 KiB
Haskell
{- git-annex assistant change tracking
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-
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- Copyright 2012-2013 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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module Assistant.Changes where
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import Assistant.Common
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import Assistant.Types.Changes
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import Utility.TList
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import Data.Time.Clock
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import Control.Concurrent.STM
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{- Handlers call this when they made a change that needs to get committed. -}
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madeChange :: FilePath -> ChangeInfo -> Assistant (Maybe Change)
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madeChange f t = Just <$> (Change <$> liftIO getCurrentTime <*> pure f <*> pure t)
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noChange :: Assistant (Maybe Change)
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noChange = return Nothing
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{- Indicates an add needs to be done, but has not started yet. -}
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pendingAddChange :: FilePath -> Assistant (Maybe Change)
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pendingAddChange f = Just <$> (PendingAddChange <$> liftIO getCurrentTime <*> pure f)
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{- Gets all unhandled changes.
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- Blocks until at least one change is made. -}
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getChanges :: Assistant [Change]
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getChanges = (atomically . getTList) <<~ changePool
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{- Gets all unhandled changes, without blocking. -}
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getAnyChanges :: Assistant [Change]
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getAnyChanges = (atomically . takeTList) <<~ changePool
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{- Puts unhandled changes back into the pool.
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- Note: Original order is not preserved. -}
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refillChanges :: [Change] -> Assistant ()
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refillChanges cs = (atomically . flip appendTList cs) <<~ changePool
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{- Records a change to the pool. -}
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recordChange :: Change -> Assistant ()
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recordChange c = (atomically . flip snocTList c) <<~ changePool
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recordChanges :: [Change] -> Assistant ()
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recordChanges = refillChanges
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