converted ContentLocation, ExampleKey, LookupKey

CmdLine/Batch.hs

@@ -10,29 +10,42 @@ module CmdLine.Batch where
 import Common.Annex
 import Command
 
-batchOption :: Option
-batchOption = flagOption [] "batch" "enable batch mode"
-
 data BatchMode = Batch | NoBatch
+
+batchOption :: Parser BatchMode
+batchOption = flag NoBatch Batch
+	( long "batch"
+	<> help "enable batch mode"
+	)
+
 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) -> CmdParams -> CommandSeek) -> Batchable t -> CmdParams -> CommandSeek
-batchable seeker starter params = ifM (getOptionFlag batchOption)
-	( batchloop
-	, seeker (starter NoBatch) params
-	)
+batchable :: (opts -> String -> Annex Bool) -> Parser opts -> CmdParamsDesc -> CommandParser
+batchable handler parser paramdesc = batchseeker <$> batchparser
   where
-	batchloop = do
+	batchparser = (,,)
+		<$> parser
+		<*> batchOption
+		<*> cmdParams paramdesc
+	
+	batchseeker (opts, NoBatch, params) = mapM_ (go NoBatch opts) params
+	batchseeker (opts, Batch, _) = batchloop opts
+
+	batchloop opts = do
 		mp <- liftIO $ catchMaybeIO getLine
 		case mp of
 			Nothing -> return ()
 			Just p -> do
-				seeker (starter Batch) [p]
-				batchloop
+				go Batch opts p
+				batchloop opts
+
+	go batchmode opts p =
+		unlessM (handler opts p) $
+			batchBadInput batchmode
 
 -- bad input is indicated by an empty line in batch mode. In non batch
 -- mode, exit on bad input.