From a94263ba750c561ecf40241104970bc303cbc0b7 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Thu, 25 Feb 2010 19:51:05 +0100
Subject: * cmdline/apt-mark:   - don't crash if no arguments are given
 (Closes: #570962)

---
 cmdline/apt-mark | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'cmdline/apt-mark')

diff --git a/cmdline/apt-mark b/cmdline/apt-mark
index 2326ece38..f4f6aa576 100755
--- a/cmdline/apt-mark
+++ b/cmdline/apt-mark
@@ -76,6 +76,10 @@ if __name__ == "__main__":
                       help="print verbose status messages to stdout")
     (options, args) = parser.parse_args()
 
+    if not args:
+        parser.print_help()
+        sys.exit(1)
+
     # get the state-file
     if not options.filename:
         STATE_FILE = apt_pkg.Config.FindDir("Dir::State") + "extended_states"
-- 
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