blob: cb36d1bdbc6c29e17a2462ebd348118a7371566a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
{- exception handling in the git-annex monad
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Annex.Exception (
bracketIO,
handle,
throw,
) where
import Control.Exception.Lifted (handle)
import Control.Monad.Trans.Control (liftBaseOp)
import Control.Exception hiding (handle, throw)
import Common.Annex
{- Runs an Annex action, with setup and cleanup both in the IO monad. -}
bracketIO :: IO c -> (c -> IO b) -> Annex a -> Annex a
bracketIO setup cleanup go =
liftBaseOp (Control.Exception.bracket setup cleanup) (const go)
{- Throws an exception in the Annex monad. -}
throw :: Control.Exception.Exception e => e -> Annex a
throw = liftIO . throwIO
|