system/tasks/base_software.yml

#- name: upgrade system
#  pacman:
#    state: latest # not required. choices: absent;latest;present. Desired state of the package.
#    upgrade: true # not required. Whether or not to upgrade whole system.
#    force: true # not required. When removing package - force remove package, without any checks. When update_cache - force redownload repo databases.
#    update_cache: true
#  become: yes
#  register: upgrade
#
#- debug: 
#    var: upgrade
#
#- name: Reboot  updates to apply
#  reboot:
#    reboot_timeout: 3600
#  when: upgrade.changed and "linux" in upgrade.packages
#  become: yes

- name: launch base install software
  pacman:
    state: present # not required. choices: absent;latest;present. Desired state of the package.
    name: "{{system_base_softwares}}"
  become: yes

- name: install powerline status via pip
  pip:
    name: powerline-status # not required. The name of a Python library to install or the url(bzr+,hg+,git+,svn+) of the remote package.,This can be a list (since 2.2) and contain version specifiers (since 2.7).
    extra_args: --user