3887432c54
Fix resuming of downloads, which do not have a transfer info file to read. When checking upload progress, use the MVar, rather than re-reading the info file. Catch exceptions in the transfer action. Required a tryAnnex.
32 lines
845 B
Haskell
32 lines
845 B
Haskell
{- exception handling in the git-annex monad
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-
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- Copyright 2011 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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module Annex.Exception (
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bracketIO,
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handle,
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tryAnnex,
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throw,
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) where
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import Control.Exception.Lifted (handle, try)
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import Control.Monad.Trans.Control (liftBaseOp)
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import Control.Exception hiding (handle, try, throw)
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import Common.Annex
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{- Runs an Annex action, with setup and cleanup both in the IO monad. -}
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bracketIO :: IO c -> (c -> IO b) -> Annex a -> Annex a
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bracketIO setup cleanup go =
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liftBaseOp (Control.Exception.bracket setup cleanup) (const go)
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{- try in the Annex monad -}
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tryAnnex :: Annex a -> Annex (Either SomeException a)
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tryAnnex = try
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{- Throws an exception in the Annex monad. -}
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throw :: Control.Exception.Exception e => e -> Annex a
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throw = liftIO . throwIO
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