mbp

modules/nixos/wallpaper/options.nix

@@ -0,0 +1,36 @@
+{
+  lib,
+  pkgs,
+  namespace,
+  ...
+}:
+with lib;
+let
+  inherit (lib.${namespace}) mkOpt;
+
+  # Default fallback wallpaper (included in the system)
+  defaultWallpaper = pkgs.runCommand "default-wallpaper" { } ''
+    mkdir -p $out
+    cp ${pkgs.nixos-artwork.wallpapers.nineish-dark-gray}/share/backgrounds/nixos/nix-wallpaper-nineish-dark-gray.png $out/default.jpg
+  '';
+in
+{
+  options.${namespace}.wallpaper = {
+    enable = mkEnableOption "shared wallpaper management (download, symlink, and boot integration)";
+
+    source = mkOpt (types.enum [
+      "bing"
+      "nasa"
+    ]) "bing" "Source for the wallpaper (bing or nasa)";
+
+    path = mkOpt types.path "/var/lib/wallpapers/current.jpg" "Path to the active wallpaper file";
+
+    dir = mkOpt types.path "/var/lib/wallpapers" "Directory where wallpapers are stored";
+
+    defaultWallpaper = mkOpt types.path "${defaultWallpaper}/default.jpg" "Default fallback wallpaper";
+
+    reloadCommand =
+      mkOpt (types.nullOr types.str) null
+        "Optional shell command run after downloading a new wallpaper to notify the desktop environment. If null, no reload command is run.";
+  };
+}