grub_themes/tasks/main.yml

---
# tasks file for grub_themes

- name: install b grub
  pacman:
    name: grub
    state: present

- name: check if theme is install
  stat:
      path: /boot/grub/themes/{{theme}}/
  register: themecheck

- name: download grub2themes repo
  git:
    dest: /tmp/grub2-themes # required. The path of where the repository should be checked out. This parameter is required, unless C(clone) is set to C(no).
    repo: https://github.com/vinceliuice/grub2-themes.git # required. git, SSH, or HTTP(S) protocol address of the git repository.
  when: themecheck.stat.exists == False 

- name: install theme
  shell: ./install.sh -b --{{ theme |lower}} # required. Path to the local script file followed by optional arguments.,There is no parameter actually named 'free form', see the examples!
  args:
    chdir: /tmp/grub2-themes/
  become: yes
  when: themecheck.stat.exists == False