Merge branch 'master' into concurrentprogress

Conflicts:
	Command/Fsck.hs
	Messages.hs
	Remote/Directory.hs
	Remote/Git.hs
	Remote/Helper/Special.hs
	Types/Remote.hs
	debian/changelog
	git-annex.cabal

CmdLine/Action.hs

@@ -5,8 +5,6 @@
  - Licensed under the GNU GPL version 3 or higher.
  -}
 
-{-# LANGUAGE BangPatterns #-}
-
 module CmdLine.Action where
 
 import Common.Annex
@@ -119,14 +117,11 @@ includeCommandAction a = account =<< tryIO go
 	account (Right True) = return True
 	account (Right False) = incerr
 	account (Left err) = do
-		showErr err
+		toplevelWarning True (show err)
 		showEndFail
 		incerr
 	incerr = do
-		Annex.changeState $ \s -> 
-			let ! c = Annex.errcounter s + 1 
-			    ! s' = s { Annex.errcounter = c }
-			in s'
+		Annex.incError
 		return False
 
 {- Runs a single command action through the start, perform and cleanup

CmdLine/Batch.hs

@@ -0,0 +1,41 @@
+{- git-annex batch commands
+ -
+ - Copyright 2015 Joey Hess <id@joeyh.name>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+module CmdLine.Batch where
+
+import Common.Annex
+import Command
+
+batchOption :: Option
+batchOption = flagOption [] "batch" "enable batch mode"
+
+data BatchMode = Batch | NoBatch
+type Batchable t = BatchMode -> t -> CommandStart
+
+-- A Batchable command can run in batch mode, or not.
+-- In batch mode, one line at a time is read, parsed, and a reply output to
+-- stdout. In non batch mode, the command's parameters are parsed and
+-- a reply output for each.
+batchable :: ((t -> CommandStart) -> CommandSeek) -> Batchable t -> CommandSeek
+batchable seeker starter params = ifM (getOptionFlag batchOption)
+	( batchloop
+	, seeker (starter NoBatch) params
+	)
+  where
+	batchloop = do
+		mp <- liftIO $ catchMaybeIO getLine
+		case mp of
+			Nothing -> return ()
+			Just p -> do
+				seeker (starter Batch) [p]
+				batchloop
+
+-- bad input is indicated by an empty line in batch mode. In non batch
+-- mode, exit on bad input.
+batchBadInput :: BatchMode -> Annex ()
+batchBadInput NoBatch = liftIO exitFailure
+batchBadInput Batch = liftIO $ putStrLn ""

CmdLine/GitAnnex.hs

@@ -74,6 +74,7 @@ import qualified Command.Dead
 import qualified Command.Group
 import qualified Command.Wanted
 import qualified Command.GroupWanted
+import qualified Command.Required
 import qualified Command.Schedule
 import qualified Command.Ungroup
 import qualified Command.Vicfg
@@ -149,6 +150,7 @@ cmds = concat
 	, Command.Group.cmd
 	, Command.Wanted.cmd
 	, Command.GroupWanted.cmd
+	, Command.Required.cmd
 	, Command.Schedule.cmd
 	, Command.Ungroup.cmd
 	, Command.Vicfg.cmd

CmdLine/Seek.hs

@@ -218,8 +218,9 @@ seekHelper a params = do
 	ll <- inRepo $ \g -> concat <$> forM (segmentXargsOrdered params)
 		(runSegmentPaths (\fs -> Git.Command.leaveZombie <$> a fs g))
 	forM_ (map fst $ filter (null . snd) $ zip params ll) $ \p ->
-		unlessM (isJust <$> liftIO (catchMaybeIO $ getSymbolicLinkStatus p)) $
-			error $ p ++ " not found"
+		unlessM (isJust <$> liftIO (catchMaybeIO $ getSymbolicLinkStatus p)) $ do
+			toplevelWarning False (p ++ " not found")
+			Annex.incError
 	return $ concat ll
 
 notSymlink :: FilePath -> IO Bool