From 6bb859fb88d10095a2c61ea91ab8b0d32fb26cfb Mon Sep 17 00:00:00 2001
From: Juraj Smiesko <juraj.smiesko@cern.ch>
Date: Fri, 11 Aug 2023 11:41:45 +0200
Subject: [PATCH] Allow help without config file

---
 k4FWCore/scripts/k4run | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/k4FWCore/scripts/k4run b/k4FWCore/scripts/k4run
index 9fa272d2..c8742313 100755
--- a/k4FWCore/scripts/k4run
+++ b/k4FWCore/scripts/k4run
@@ -122,7 +122,8 @@ if __name__ == "__main__":
                   print("  %s (from %s)" % (item, cfgDb[item]["lib"]))
         sys.exit()
 
-    if len(opts[0].config_files) == 0:
+    if len(opts[0].config_files) == 0 \
+            and ('-h' not in opts[1] and '--help' not in opts[1]):
       print('Error: missing gaudi options file.\n'
       'Usage: k4run <options_file.py>, use --help to get a complete list of arguments')
       sys.exit(1)