bflad/chef-docker — pull request #55 by jhulten (2014-02-03 21:33:13+00:00)
Title: Add image action pull_if_missing and chg pull to match cli

- Add the pull_if_missing action to the image LWRP with the current functionality
- Modify the existing pull action to check the hash of the image before and after to determine if the resource updated (and notifications should be triggered)
- Add docker_inspect method to the helpers library