[Xen-changelog] [xen-unstable] Improve xm migrate error message by printing usage instead of "Invalid

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Ewan Mellor <ewan@xxxxxxxxxxxxx>
# Node ID b4e9f12df619ee06587ab53971e5057ab710f851
# Parent  7bfd8efb4fa7d2e2f90bd21af3407cd2fd28744a
Improve xm migrate error message by printing usage instead of "Invalid
arguments".

Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
---
 tools/python/xen/xm/migrate.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

diff -r 7bfd8efb4fa7 -r b4e9f12df619 tools/python/xen/xm/migrate.py
--- a/tools/python/xen/xm/migrate.py    Tue Aug 29 14:34:57 2006 -0700
+++ b/tools/python/xen/xm/migrate.py    Tue Aug 29 22:51:05 2006 +0100
@@ -57,7 +57,8 @@ def main(argv):
         opts.usage()
         return
     if len(args) != 2:
-        opts.err('Invalid arguments: ' + str(args))
+        opts.usage()
+        sys.exit(1)
     dom = args[0]
     dst = args[1]
     server.xend.domain.migrate(dom, dst, opts.vals.live, opts.vals.resource, 
opts.vals.port)

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