health_inspector is tool to inspect your chef repo as it compares to what is on your chef server.

$ gem install health_inspector
$ cd [chef repo] && health_inspector inspect

Run health_inspector help for more options

So far it checks if...

• your cookbooks are in sync
• you have uncommitted changes in a cookbook (assuming your cookbooks are in their own git repos)
• you have commits in a cookbook that haven't been pushed to your remote (assuming your cookbooks are in their own git repos)
• your data bags are in sync
• your data bag items are in sync
• your environments are in sync
• your roles are in sync

• Your roles and environments are written using the ruby DSL.