Detect platform through laptop-detect

roles/arch/tasks/platform.yml

@@ -0,0 +1,22 @@
+- name: detect platform
+  command: laptop-detect
+  register: is_laptop
+  failed_when: is_laptop.rc == 2
+
+- name: set platform (desktop)
+  set_fact:
+    platform: "desktop"
+  when: is_laptop.rc == 1
+
+- name: set platform (laptop)
+  set_fact:
+    platform: "laptop"
+  when: is_laptop.rc == 0
+
+- name: load desktop specific vars
+  include_vars: desktop.yml
+  when: platform == "desktop"
+
+- name: load laptop specific vars
+  include_vars: laptop.yml
+  when: platform == "laptop"