ansible/ansible — pull request #8560 by sivel (2014-08-11 21:06:28+00:00)
Title: ansible-vault should support script for --vault-password-file too

Somehow I completely missed adding support to `ansible-vault` to allow `--vault-password-file` to be a script.

This PR adds this functionality to match the now existing functionality of `ansible` and `ansible-playbook`.