From: Sage Weil <sage@inktank.com>
Date: Tue, 1 Oct 2013 22:29:23 +0000 (-0700)
Subject: rbd: be helpful with invalid command
X-Git-Tag: v0.71~45^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F673%2Fhead;p=ceph.git

rbd: be helpful with invalid command

$ rbd asdf
rbd: error parsing command 'asdf'; -h or --help for usage

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

diff --git a/src/rbd.cc b/src/rbd.cc
index c0db7a6414ea..147eb2c5138e 100644
--- a/src/rbd.cc
+++ b/src/rbd.cc
@@ -2256,7 +2256,7 @@ int main(int argc, const char **argv)
     opt_cmd = get_cmd(*i, false, false);
   }
   if (opt_cmd == OPT_NO_CMD) {
-    cerr << "rbd: error parsing command '" << *i << "'" << std::endl;
+    cerr << "rbd: error parsing command '" << *i << "'; -h or --help for usage" << std::endl;
     return EXIT_FAILURE;
   }