1 files changed, 17 insertions, 1 deletions
diff --git a/CmdLine.hs b/CmdLine.hs
index 77f65f8..2cfea7a 100644
--- a/CmdLine.hs
+++ b/CmdLine.hs
@@ -9,14 +9,24 @@ data CmdLine = CmdLine
 data Mode
 	= Test 
 	| Graphviz GraphvizOpts
+	| Replay ReplayOpts
 
 data GraphvizOpts = GraphvizOpts
 	{ graphvizLogFile :: FilePath
 	, graphvizShowHashes :: Bool
 	}
 
+data ReplayOpts = ReplayOpts
+	{ replayLogFile :: FilePath
+	}
+
 parseCmdLine :: Parser CmdLine
-parseCmdLine = CmdLine <$> ((Graphviz <$> parsegraphviz) <|> pure Test)
+parseCmdLine = CmdLine <$> parseMode
+
+parseMode :: Parser Mode
+parseMode = (Graphviz <$> parsegraphviz)
+	<|> (Replay <$> parsereplay)
+	<|> pure Test
   where
 	parsegraphviz = GraphvizOpts
 		<$> option str
@@ -28,6 +38,12 @@ parseCmdLine = CmdLine <$> ((Graphviz <$> parsegraphviz) <|> pure Test)
 			( long "show-hashes"
 			<> help "display hashes in graphviz"
 			)
+	parsereplay = ReplayOpts
+		<$> option str
+			( long "replay"
+			<> metavar "logfile"
+			<> help "replay log file"
+			)
 
 getCmdLine :: IO CmdLine
 getCmdLine = execParser opts