ceph-authtool: make error msg more helpful

Signed-off-by: Sage Weil <sage.weil@dreamhost.com>

diff --git a/src/ceph_authtool.cc b/src/ceph_authtool.cc
index 3ed7038f3fb23e8b96b180f02eed6f70a08b6ee7..aa522736a45bee8454c7cbc7765cfbbe001611e2 100644 (file)
--- a/src/ceph_authtool.cc
+++ b/src/ceph_authtool.cc
@@ -113,6 +113,7 @@ int main(int argc, const char **argv)
     } else if (fn.empty()) {
       fn = *i++;
     } else {
+      cerr << argv[0] << ": unexpected '" << *i << "'" << std::endl;
       usage();
     }
   }