- name: shell environment
  gather_facts: no
  hosts: "{{target}}"
  become: "{{become}}"
  tasks:

  #
  # an architecture a day, keeps a hacker away
  #

  # required for gnu/linux vs bsd specific
  - name: define kernel name
    ansible.builtin.shell:
      executable: /bin/bash
      cmd: uname -s
    changed_when: false
    check_mode: false
    register: kernel

  - debug: var=kernel.stdout
    when: kernel.stdout != 'Linux'
  - debug: var=kernel.stderr
    when: kernel.stdout != 'Linux'

  - set_fact:
      bashrc_location: >
        {% if system == 'debian' %}
        /etc/bash.bashrc
        {% elif system == 'redhat' %}
        /etc/bashrc
        {% elif system == 'slackware' %}
        /etc/shrc
        {% else %}
        error unknown system {{system}} - exiting {{0/0}}
        {% endif %}
    when: kernel.stdout == 'Linux'

  #
  # gnu/linux
  #

  - name: system-wide bashrc block
    ansible.builtin.blockinfile:
      block: "{{ lookup('file', 'blockinfile/bashrc') }}"
      path: "{{bashrc_location|trim}}"
    diff: true
    when: kernel.stdout == 'Linux'

  - name: log helper script
    ansible.builtin.copy:
      content: "tail -n0 -F /var/log/*\n"
      dest: /root/log
      mode: 0755
    diff: true
    when: kernel.stdout == 'Linux'

  - name: logall helper script
    ansible.builtin.copy:
      content: "tail -n0 -F /var/log/* /var/log/*/*\n"
      dest: /root/logall
      mode: 0755
    diff: true
    # too many files in /var/log/packages/
    when: kernel.stdout == 'Linux' and system != 'slackware'

  ### slackware

  - include_tasks: incl-slackware.yml
    when: system == 'slackware'

  - include_tasks: incl-slackware-sbo.yml
    when: system == 'slackware' and sbo is defined

  ### freebsd

  - include_tasks: incl-freebsd.yml
    when: system == 'freebsd'

  ### shared

  - include_tasks: incl-shared.yml

  handlers:

  - name: reindex files
    ansible.builtin.shell:
      executable: /bin/bash
      cmd: updatedb