Ansible Mac OS X install app w/ brew and add to the Dock

docktest.yml

# TODO: Get version from registering output of brew cask install
- name: "install browser: {{ browser }}"
  homebrew_cask: >
    name={{ browser }}
    state=present

- name: read defaults to know what to add to the dock
  shell: defaults read com.apple.dock
  register: apple_defaults

- name: "add {{ browser }} to the dock"
  vars:
    brew_name: google-chrome
    app_name: "Google Chrome"
    version: latest
  shell: defaults write com.apple.dock persistent-apps -array-add '<dict><key>tile-data</key><dict><key>file-data</key><dict><key>_CFURLString</key><string>/opt/homebrew-cask/Caskroom/{{ brew_name }}/{{ version }}/{{ app_name }}.app</string><key>_CFURLStringType</key><integer>0</integer></dict></dict></dict>'
  when: apple_defaults.stdout.find(app_name) == -1