- name: install git
  apt:
    pkg: git

- debug: var=git

- name: include repositories (with updates)
  include_tasks:
    file: repo.yml 
    apply:
      tags:
        - update
  when: item.value.update|d(true)
  with_dict: "{{ git }}"

- name: include repositories (without updates)
  include_tasks:
    file: repo.yml 
  when: not item.value.update|d(true)
  with_dict: "{{ git }}"