Add support for --info-memory and --robot to xz.

Currently --robot works only with --info-memory and
--version. --help and --long-help work too, but --robot
has no effect on them.

Thanks to Jonathan Nieder for the original patches.

1 files changed, 7 insertions, 4 deletions

diff --git a/src/xz/main.c b/src/xz/main.c
index 3295bba3..b197ca43 100644
--- a/src/xz/main.c
+++ b/src/xz/main.c
@@ -153,6 +153,13 @@ main(int argc, char **argv)
 	args_info args;
 	args_parse(&args, argc, argv);
 
+	if (opt_mode == MODE_LIST)
+		message_fatal("--list is not implemented yet.");
+
+	if (opt_robot)
+		message_fatal(_("Compression and decompression with --robot "
+			"are not supported yet."));
+
 	// Tell the message handling code how many input files there are if
 	// we know it. This way the progress indicator can show it.
 	if (args.files_name != NULL)
@@ -172,10 +179,6 @@ main(int argc, char **argv)
 		}
 	}
 
-	if (opt_mode == MODE_LIST) {
-		message_fatal("--list is not implemented yet.");
-	}
-
 	// Hook the signal handlers. We don't need these before we start
 	// the actual action, so this is done after parsing the command
 	// line arguments.