default annex.delayadd to 1 on OSX

Assistant/Threads/Watcher.hs

@@ -5,6 +5,8 @@
  - Licensed under the GNU GPL version 3 or higher.
  -}
 
+{-# LANGUAGE CPP #-}
+
 module Assistant.Threads.Watcher (
 	watchThread,
 	checkCanWatch,
@@ -58,17 +60,28 @@ needLsof = error $ unlines
 	, "Be warned: This can corrupt data in the annex, and make fsck complain."
 	]
 
+{- OSX needs a short delay after a file is added before locking it down,
+ - as pasting a file seems to try to set file permissions or otherwise
+ - access the file after closing it. -}
+delayaddDefault :: Maybe Seconds
+#ifdef darwin_HOST_OS
+delayaddDefault = Just $ Seconds 1
+#else
+delayaddDefault = Nothing
+#endif
+
 watchThread :: ThreadState -> DaemonStatusHandle -> TransferQueue -> ChangeChan -> NamedThread
 watchThread st dstatus transferqueue changechan = NamedThread thisThread $ do
 	delayadd <- runThreadState st $
-		readish <$> getConfig (annexConfig "delayadd") "" 
+		maybe delayaddDefault (Just . Seconds) . readish
+			<$> getConfig (annexConfig "delayadd") "" 
 	void $ watchDir "." ignored (hooks delayadd) startup
 	debug thisThread [ "watching", "."]
 	where
 		startup = startupScan st dstatus
 		hook delay a = Just $ runHandler thisThread delay st dstatus transferqueue changechan a
 		hooks delayadd = mkWatchHooks
-			{ addHook = hook (Seconds <$> delayadd) onAdd
+			{ addHook = hook delayadd onAdd
 			, delHook = hook Nothing onDel
 			, addSymlinkHook = hook Nothing onAddSymlink
 			, delDirHook = hook Nothing onDelDir

doc/bugs/pasting_into_annex_on_OSX.mdwn

@@ -14,3 +14,5 @@ OSX - 10.6. zsh. git-annex version: 3.20120826
 
 Please provide any additional information below.
 
+> Ok, I've put in the one second delay to adding by default on OSX.
+> I consider this bug [[done]], at least for now..

doc/design/assistant/OSX.mdwn

@@ -4,3 +4,10 @@ Misc OSX porting things:
 * add webapp to OSX menu somehow
 * Use OSX's "network reachability functionality" to detect when on a network
   <http://developer.apple.com/library/mac/#documentation/Networking/Conceptual/SystemConfigFrameworks/SC_Intro/SC_Intro.html#//apple_ref/doc/uid/TP40001065>
+
+Gripes:
+
+* The assistant has to wait a second when a new file is created,
+  to work around some bad behavior when pasting a file into the annex.
+  [[details|bugs/pasting_into_annex_on_OSX]]. That's one more second
+  before the file is synced out.

doc/git-annex.mdwn

@@ -684,7 +684,8 @@ Here are all the supported configuration settings.
   Makes the watch and assistant commands delay for the specified number of
   seconds before adding a newly created file to the annex. Normally this
   is not needed, because they already wait for all writers of the file
-  to close it.
+  to close it. On Mac OSX, this defaults to 1 second, to work around
+  a bad interaction with software there.
 
 * `remote.<name>.annex-cost`