--- a/bitbucket-pipelines.yml	Thu Aug 11 18:19:01 2016 +0800
+++ b/bitbucket-pipelines.yml	Thu Aug 11 18:21:31 2016 +0800
@@ -21,4 +21,7 @@
               -i inventory --connection=local --skip-tags=ufw --verbose
           - pgrep -f 'fruitbar/venv/bin/gunicorn'
           - ansible-playbook provision/playbook.yml
-              -i inventory --connection=local --skip-tags=ufw -vvvv
+              -i inventory --connection=local --skip-tags=ufw
+              | grep -q 'changed=0.*failed=0'
+              && { echo 'Idempotence test: pass'; exit 0; }
+              || { echo 'Idempotence test: fail'; exit 1; }