status: Fix a crash if a temp file went away while its size was being checked for status.

Command/Status.hs

@@ -371,10 +371,11 @@ staleSize label dirspec = go =<< lift (Command.Unused.staleKeys dirspec)
 	onsize size = stat label $
 		json (++ aside "clean up with git-annex unused") $
 			return $ roughSize storageUnits False size
-	keysizes keys = map (fromIntegral . fileSize) <$> stats keys
-	stats keys = do
+	keysizes keys = do
 		dir <- lift $ fromRepo dirspec
-		liftIO $ forM keys $ \k -> getFileStatus (dir </> keyFile k)
+		liftIO $ forM keys $ \k -> catchDefaultIO 0 $
+			fromIntegral . fileSize 
+				<$> getFileStatus (dir </> keyFile k)
 
 aside :: String -> String
 aside s = " (" ++ s ++ ")"

debian/changelog

@@ -15,6 +15,8 @@ git-annex (4.20131003) UNRELEASED; urgency=low
   * Remove bogus runshell loop check.
   * addurl: Improve message when adding url with wrong size to existing file.
   * Fixed handling of URL keys that have no recorded size.
+  * status: Fix a crash if a temp file went away while its size was
+    being checked for status.
 
  -- Joey Hess <joeyh@debian.org>  Thu, 03 Oct 2013 15:41:24 -0400