From d0b57929fe2960461e0361066c9ad94a8f4d5a8b Mon Sep 17 00:00:00 2001
From: Andreas Jaeger <aj@suse.de>
Date: Thu, 3 Apr 2014 20:37:23 +0200
Subject: [PATCH] Use xargs -0 instead of --null

This gives compatibility with OS X in the test.

Change-Id: Ic7ec31f8d8ab40654c81992b3fc2b8f1f1b73b4c
---
 tox.ini | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tox.ini b/tox.ini
index 7e28fc6f3b..0a172d2df2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,7 @@ commands = openstack-doc-test --check-niceness {posargs}
 commands =
     openstack-doc-test --check-syntax {posargs}
     # Check that .po and .pot files are valid:
-    bash -c "find doc -type f -regex '.*\.pot?' -print0|xargs --null -n 1 msgfmt --check-format -o /dev/null"
+    bash -c "find doc -type f -regex '.*\.pot?' -print0|xargs -0 -n 1 msgfmt --check-format -o /dev/null"
 
 [testenv:checkdeletions]
 commands = openstack-doc-test --check-deletions {posargs}