- name: Require yarn_command variable
  fail:
    msg: yarn_command is required for this role
  when: yarn_command is not defined

- name: Run yarn lifecycle command
  when: yarn_command in yarn_lifecycle_phases
  command: "yarn {{ yarn_command }}"
  # Need to set DISPLAY to the value that will be set when the virtual
  # framebuffer is set up for doing browser tests.
  environment:
    DISPLAY: ':99'
  args:
    chdir: "{{ zuul_work_dir }}"

- name: Run yarn custom command
  when: yarn_command not in yarn_lifecycle_phases
  command: "yarn run {{ yarn_command }}"
  # Need to set DISPLAY to the value that will be set when the virtual
  # framebuffer is set up for doing browser tests.
  environment:
    DISPLAY: ':99'
  args:
    chdir: "{{ zuul_work_dir }}"