gistfile1.txt

    - name: update pip
      pip:
        name: pip
        state: latest

    - name: install bindep
      pip:
        name: bindep
        state: latest

    - name: run bindep (debian)
      command: bindep platform:dpkg -b
      args:
        chdir: /usr/local/src/swift
      register: bindep_output
      failed_when: ( bindep_output.rc not in [ 0, 1 ] )
      when: ansible_os_family == 'Debian'

    - name: install requirements from bindep (debian)
      apt:
        name: "{{item}}"
      with_items:
        - "{{bindep_output.stdout_lines}}"
      when:
        - ansible_os_family == 'Debian'
        - bindep_output.rc == 1