```ruby
#
# Author:: Joshua Timberman (<jtimberman@opscode.com>)
# Author:: Graeme Mathieson (<mathie@woss.name>)
# Cookbook Name:: homebrew
# Attributes:: default
#
# Copyright 2011-2013, Opscode, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

default['homebrew']['owner']    = nil
default['homebrew']['formulas'] = []
```

Add an attribute for casks to install
user
```ruby
#
# Author:: Joshua Timberman (<jtimberman@opscode.com>)
# Author:: Graeme Mathieson (<mathie@woss.name>)
# Cookbook Name:: homebrew
# Attributes:: default
#
# Copyright 2011-2013, Opscode, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

default['homebrew']['owner']    = nil
default['homebrew']['formulas'] = []
default['homebrew']['casks']    = []
```
assistant