Ansible: Add X.org configuration

- Detect if X.org is installed with a small fact script
- Symlink Xdefaults file if X.org is installed

Ansible/facts/xorg.fact

@@ -0,0 +1,9 @@
+#!/usr/bin/env zsh
+
+if which xorg 1>/dev/null 2>&1; then
+    xorg_exists="true"
+else
+    xorg_exists="false"
+fi
+
+echo "{ \"exists\": ${xorg_exists} }"

Ansible/roles/eryn/handlers/main.yml

@@ -0,0 +1,3 @@
+- name: "Rebuild local facts"
+  ansible.builtin.setup:
+    gather_subset: [ local ]

Ansible/roles/eryn/tasks/main.yml

@@ -19,3 +19,7 @@
 
 - name: Configure tmux
   ansible.builtin.import_tasks: tmux.yml
+
+- name: Configure X.org
+  ansible.builtin.import_tasks: xorg.yml
+  when: ansible_os_family == "Linux"

Ansible/roles/eryn/tasks/xorg.yml

@@ -0,0 +1,23 @@
+---
+# TODO: This likely will require a lot more packages to install. IIRC, X.org
+# also requires input and video packages to run in a basic state. Not to
+# mention, graphics acceleration, window management, etc.
+
+- name: "Xorg : Install X.org"
+  ansible.builtin.package:
+    name: xorg
+    state: present
+  notify: Rebuild local facts
+
+# Make sure local facts are rebuilt so the steps below can correctly detect
+# if X.org is present.
+- name: "Xorg : Flush handlers"
+  meta: flush_handlers
+
+- name: "Xorg : Configure"
+  when: ansible_local.xorg.exists
+  block:
+    - name: "Xorg : Symlink Xdefaults"
+      ansible.builtin.include_tasks: symlink_dotfile_directory.yml
+      vars:
+        dotfile_src: Xdefaults