unify exception handling into Utility.Exception

Removed old extensible-exceptions, only needed for very old ghc.

Made webdav use Utility.Exception, to work after some changes in DAV's
exception handling.

Removed Annex.Exception. Mostly this was trivial, but note that
tryAnnex is replaced with tryNonAsync and catchAnnex replaced with
catchNonAsync. In theory that could be a behavior change, since the former
caught all exceptions, and the latter don't catch async exceptions.

However, in practice, nothing in the Annex monad uses async exceptions.
Grepping for throwTo and killThread only find stuff in the assistant,
which does not seem related.

Command.Add.undo is changed to accept a SomeException, and things
that use it for rollback now catch non-async exceptions, rather than
only IOExceptions.
This commit is contained in:
Joey Hess 2014-08-07 21:55:44 -04:00
parent 8e3d62dd5d
commit c784ef4586
60 changed files with 142 additions and 237 deletions

View file

@ -117,7 +117,7 @@ xmppClient urlrenderer d creds xmppuuid =
void $ liftIO $ atomically . swapTMVar lasttraffic =<< getCurrentTime
inAssistant $ debug
["received:", show $ map logXMPPEvent l]
mapM_ (handle selfjid) l
mapM_ (handlemsg selfjid) l
sendpings selfjid lasttraffic = forever $ do
putStanza pingstanza
@ -133,21 +133,21 @@ xmppClient urlrenderer d creds xmppuuid =
- cause traffic, so good enough. -}
pingstanza = xmppPing selfjid
handle selfjid (PresenceMessage p) = do
handlemsg selfjid (PresenceMessage p) = do
void $ inAssistant $
updateBuddyList (updateBuddies p) <<~ buddyList
resendImportantMessages selfjid p
handle _ (GotNetMessage QueryPresence) = putStanza gitAnnexSignature
handle _ (GotNetMessage (NotifyPush us)) = void $ inAssistant $ pull us
handle selfjid (GotNetMessage (PairingNotification stage c u)) =
handlemsg _ (GotNetMessage QueryPresence) = putStanza gitAnnexSignature
handlemsg _ (GotNetMessage (NotifyPush us)) = void $ inAssistant $ pull us
handlemsg selfjid (GotNetMessage (PairingNotification stage c u)) =
maybe noop (inAssistant . pairMsgReceived urlrenderer stage u selfjid) (parseJID c)
handle _ (GotNetMessage m@(Pushing _ pushstage))
handlemsg _ (GotNetMessage m@(Pushing _ pushstage))
| isPushNotice pushstage = inAssistant $ handlePushNotice m
| isPushInitiation pushstage = inAssistant $ queuePushInitiation m
| otherwise = inAssistant $ storeInbox m
handle _ (Ignorable _) = noop
handle _ (Unknown _) = noop
handle _ (ProtocolError _) = noop
handlemsg _ (Ignorable _) = noop
handlemsg _ (Unknown _) = noop
handlemsg _ (ProtocolError _) = noop
resendImportantMessages selfjid (Presence { presenceFrom = Just jid }) = do
let c = formatJID jid