Set fixed wallpaper for Noctalia via wallpapers.json cache

ansible/inventory/group_vars/desktop.yml

@@ -290,6 +290,10 @@ desktop_sway_dotfiles:
     src: .config/i3/wallpapers/
     dest: .config/sway/wallpapers/
     mode: preserve
+  - name: Noctalia wallpaper library
+    src: Pictures/Wallpapers/
+    dest: Pictures/Wallpapers/
+    mode: preserve
   - name: Sway session wrapper
     src: .local/bin/start-sway-session
     dest: .local/bin/start-sway-session
@@ -312,6 +316,8 @@ noctalia_bar_monitors:
 
 noctalia_screen_overrides: []
 
+noctalia_wallpaper: "{{ user_home }}/Pictures/Wallpapers/star-wars-trio.jpg"
+
 desktop_flatpak_packages:
   - be.alexandervanhee.gradia
   - ch.protonmail.protonmail-bridge

ansible/roles/profile_desktop_sway/tasks/noctalia.yml

@@ -140,3 +140,19 @@
     - polkit-agent
     - screenshot
     - usb-drive-manager
+
+- name: Ensure Noctalia cache directory exists
+  ansible.builtin.file:
+    path: "{{ user_home }}/.cache/noctalia"
+    state: directory
+    owner: "{{ username }}"
+    group: "{{ user_group }}"
+    mode: "0755"
+
+- name: Deploy Noctalia wallpapers cache
+  ansible.builtin.template:
+    src: wallpapers.json.j2
+    dest: "{{ user_home }}/.cache/noctalia/wallpapers.json"
+    owner: "{{ username }}"
+    group: "{{ user_group }}"
+    mode: "0644"

ansible/roles/profile_desktop_sway/templates/wallpapers.json.j2

@@ -0,0 +1,18 @@
+{
+    "defaultWallpaper": "/etc/xdg/quickshell/noctalia-shell/Assets/Wallpaper/noctalia.png",
+    "usedRandomWallpapers": {},
+    "wallpapers": {
+        "": {
+            "dark": "{{ noctalia_wallpaper }}",
+            "light": "{{ noctalia_wallpaper }}"
+        },
+        "DP-1": {
+            "dark": "{{ noctalia_wallpaper }}",
+            "light": "{{ noctalia_wallpaper }}"
+        },
+        "eDP-1": {
+            "dark": "{{ noctalia_wallpaper }}",
+            "light": "{{ noctalia_wallpaper }}"
+        }
+    }
+}