main.fcgi: usage, fix a bit of spacing

svn path=/package_branches/invirt-web/cherrypy-rebased/; revision=2702

diff --git a/code/main.fcgi b/code/main.fcgi
index 6f3ed99..fa2681a 100755 (executable)
--- a/code/main.fcgi
+++ b/code/main.fcgi
@@ -9,10 +9,23 @@ from main import InvirtWeb, InvirtUnauthWeb
 dev = False
 base_dir = os.path.dirname(__file__)
 
-if __name__=="__main__":
+def usage():
+    print >>sys.stderr, """%s [config]
+
+Run server as FastCGI, with CherryPy config from "main.conf".
+
+With `config`, run standalone with CherryPy config from `config`.
+""" % sys.argv[0]
+    sys.exit(2)
+
+if __name__ == "__main__":
     static_dir = os.path.join(base_dir, 'static')
 
+    if len(sys.argv) > 2:
+        usage()
     if len(sys.argv) > 1:
+        if sys.argv[1] in ('-h', '--help'):
+            usage()
         conf_file = sys.argv[1]
         dev = True
     else: