- hosts: personalised
  tasks:
    - name: Ensure emacs is installed on CentOS
      become: yes
      yum:
        name: emacs-nox
        state: latest
      when: ansible_os_family == "RedHat"
    - name: Ensure emacs is installed on Debian
      become: yes
      apt:
        name: emacs25-nox
        state: latest
      when: ansible_os_family == "Debian"
    - name: Set emacs as EDITOR for myself
      lineinfile:
        path: ~/.profile
        regexp: '^export EDITOR='
        line: 'export EDITOR=emacs'