From a629c5e27532a9dc9d3b9708ef94a5267131b724 Mon Sep 17 00:00:00 2001
From: Sean McGinnis <sean.mcginnis@huawei.com>
Date: Wed, 21 Mar 2018 16:27:54 -0500
Subject: [PATCH] Clean old output before new doc builds

Remove the doc/build directory to make sure there are no stale
artifacts from past runs.

Change-Id: I4748f9e7787d4fe053ad095d88eec83682b4df7f
---
 tox.ini | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tox.ini b/tox.ini
index 244772f6..4cdc4946 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,8 +38,11 @@ commands =
 commands = {posargs}
 
 [testenv:docs]
+whitelist_externals = rm
 deps = -r{toxinidir}/doc/requirements.txt
-commands = sphinx-build -b html doc/source doc/build/html
+commands =
+    rm -fr doc/build
+    sphinx-build -b html doc/source doc/build/html
 
 [testenv:cover]
 commands = python setup.py testr --coverage --testr-args='{posargs}'