Explicitly derive the command name from command-line arguments.

diff --git a/xkcdpass/xkcd_password.py b/xkcdpass/xkcd_password.py
index 9b5f81626c72c0593aa63004cf329240e3fb6985..65d6758f54e3adb10f108a6f9a37071444e50ccc 100755 (executable)
--- a/xkcdpass/xkcd_password.py
+++ b/xkcdpass/xkcd_password.py
@@ -3,6 +3,7 @@
 
 import random
 import os
+import os.path
 import optparse
 import re
 import math
@@ -316,7 +317,8 @@ class XkcdPassOptionParser(optparse.OptionParser, object):
 def main():
     count = 1
 
-    parser = XkcdPassOptionParser()
+    program_name = os.path.basename(sys.argv[0])
+    parser = XkcdPassOptionParser(prog=program_name)
 
     (options, args) = parser.parse_args()
     validate_options(parser, options, args)