When no command was given, print usage message

It's just silly to say "Unknown command" when the user didn't give a
command. Better to tell her to use a command.

Signed-off-by: Karl Hasselström <kha@treskal.com>

diff --git a/stgit/main.py b/stgit/main.py
index 53a1ac1..ea65288 100644 (file)
--- a/stgit/main.py
+++ b/stgit/main.py
@@ -195,7 +195,7 @@ def main():
     prog = os.path.basename(sys.argv[0])
 
     if len(sys.argv) < 2:
-        print >> sys.stderr, 'Unknown command'
+        print >> sys.stderr, 'usage: %s <command>' % prog
         print >> sys.stderr, \
               '  Try "%s --help" for a list of supported commands' % prog
         sys.exit(1)