added archlinux support to package upgrades roles

tasks/main.yml

@@ -32,4 +32,17 @@
   debug: msg={{ dchkout }}
   when: dchkout.stdout_lines is undefined and ansible_os_family == "Debian"
 
+- name: Checked for updates (Arch based distros)
+  shell:
+    cmd: pacman -Qu
+  register: achkout
+  when: ansible_os_family == "Archlinux"
+  # 'pacman -Qu' returns a 1 when no packages require upgrade
+  # this line stops the role from failing with a 'non-zero result'
+  failed_when: "achkout.rc not in [ 0, 1 ]"
+
+- name: Show output from update check (arch 1)
+  debug: msg={{ achkout.stdout_lines }}
+  when: achkout.stdout_lines is defined and ansible_os_family == "Archlinux"
+
 # EOF