brag : document the zero argument behavior

Signed-off-by: Loic Dachary <loic@dachary.org>

diff --git a/src/brag/client/ceph-brag b/src/brag/client/ceph-brag
index 91981e580da8eea0e1e49cb6b1f0089ba90e5f25..6cba99305caa3aa528acb6da861dabd3224ec962 100755 (executable)
--- a/src/brag/client/ceph-brag
+++ b/src/brag/client/ceph-brag
@@ -223,7 +223,9 @@ def describe_usage():
   print >> sys.stderr, "Usage:"
   print >> sys.stderr, "======\n"
 
-  print >> sys.stderr, sys.argv[0] + " <commands> [command-options]\n"
+  print >> sys.stderr, sys.argv[0] + " [<commands> [command-options]]\n"
+  print >> sys.stderr, "without any option, shows the data to be published and do nothing"
+  print >> sys.stderr, ""
   print >> sys.stderr, "commands:"
   print >> sys.stderr, "publish - publish the brag report to the server"
   print >> sys.stderr, "update-metadata <update-metadata-options> - Update"