Added AUR and battery optimization modules for Arch.

roles/common/tasks/arch_battery.yaml

@@ -0,0 +1,18 @@
+- name: Install apps
+  kewlfft.aur.aur:
+    name: "{{ item }}"
+    use: "{{ aur_helper }}"
+    state: present
+  become: yes
+  become_user: aur_builder
+  loop:
+    - auto-cpufreq
+    - envycontrol
+    - powertop
+
+- name: Enable and start auto-cpufreq as daemon
+  systemd:
+    name: auto-cpufreq
+    state: started
+    enabled: true
+

roles/common/tasks/aur_apps.yaml

@@ -0,0 +1,33 @@
+- name: Create the `aur_builder` user
+  become: yes
+  ansible.builtin.user:
+    name: aur_builder
+    create_home: yes
+    group: wheel
+
+- name: Allow the `aur_builder` user to run `sudo pacman` without a password
+  become: yes
+  ansible.builtin.lineinfile:
+    path: /etc/sudoers.d/11-install-aur_builder
+    line: 'aur_builder ALL=(ALL) NOPASSWD: /usr/bin/pacman'
+    create: yes
+    validate: 'visudo -cf %s'
+
+- name: Install aur helper
+  kewlfft.aur.aur:
+    name: "{{ aur_helper }}"
+    use: makepkg
+    state: present
+  become: yes
+  become_user: aur_builder
+  when: aur_helper != "makepkg"
+
+- name: Install aur apps
+  kewlfft.aur.aur:
+    name: "{{ aur_apps_list }}"
+    use: "{{ aur_helper }}"
+    state: present
+  become: yes
+  become_user: aur_builder
+  when: use_aur_apps == True
+