Improve shell scripts

test/omv/helloworld.yaml

@@ -30,6 +30,7 @@
 - :name: etcd
   :shell:
   - iptables -F
+  - cd /vagrant/mgmt/ && make path
   - cd /vagrant/mgmt/ && make deps && make build && cp mgmt ~/bin/
   - etcd -bind-addr "`hostname --ip-address`:2379" &
   - cd && mgmt --help

test/test-yamlfmt.sh

@@ -12,7 +12,7 @@ fi
 
 ROOT=$(dirname "${BASH_SOURCE}")/..
 
-RUBY=`which ruby`
+RUBY=`which ruby 2>/dev/null`
 if [ -z $RUBY ]; then
 	echo "The 'ruby' utility can't be found."
 	exit 1