Install this gem and add this file to the project root

.gitignore

# ~/.gitignore but GH doesn't allow subdirs in gists
zeus.json

Terminal

> gem install zeus-rails23

zeus.json

{
  "command": "ruby -rubygems -rzeus/rails23/plan -eZeus.go",

  "plan": {
    "boot": {
      "default_bundle": {
        "development_environment": {
          "prerake": {"rake": []},
          "runner": ["r"],
          "console": ["c"],
          "server": ["s"],
          "generate": ["g"],
          "dbconsole": []
        },
        "test_environment": {
          "cucumber_environment": {"cucumber": []},
          "test_helper": {"test": ["rspec", "testrb"]}
        }
      }
    }
  }
}