From f1d5bc38dcf07802827ca426cf05614239601a29 Mon Sep 17 00:00:00 2001
From: Thomas Karl Pietrowski <thopiekar@googlemail.com>
Date: Sat, 9 Dec 2017 23:01:26 +0100
Subject: [PATCH] Adding help arguments manually

.. and also print and exit as it normally does, when enabled.
---
 cura/CuraApplication.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index d6b8d416cd..7b067f452c 100755
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -669,8 +669,16 @@ class CuraApplication(QtApplication):
 
     def preRun(self):
         # Last check for unknown commandline arguments
-        parser = self.getCommandlineParser(with_help = True)
-        parser.parse_args()
+        parser = self.getCommandlineParser()
+        parser.add_argument("--help", "-h",
+                            action='store_true',
+                            default = False,
+                            help = "Show this help message and exit."
+                            )
+        parsed_args = vars(parser.parse_args()) # This won't allow unknown arguments
+        if parsed_args["help"]:
+            parser.print_help()
+            sys.exit(0)
     
     def run(self):
         self.preRun()