fix(export): Add a script exit on error

Signed-off-by: Jeremy MAURO <jeremy.mauro@gmail.com>

scripts/export_policy.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -e
+ssh-ident -V
 # Ref:
 # 	https://medium.com/@emachnic/using-policyfiles-with-chef-client-local-mode-4f47477b24db
 POLICY=${1:-"base"}