[feat] nixfmt and change the hyprpaper module

config/nix/modules/hyprpaper.nix

@@ -2,10 +2,8 @@
 
 with lib;
 
-let
-  cfg = config.programs.hyprpaper;
-in
-{
+let cfg = config.programs.hyprpaper;
+in {
   options = {
     programs.hyprpaper = {
       enable = mkEnableOption "Hyprpaper - Wayland wallpaper utility";
@@ -34,8 +32,9 @@ in
         };
 
         wallpapers = mkOption {
-          type = listOf str;
-          default = [ ];
+          type = attrsOf str;
+          default = { };
+          example = { "DP-1" = ./wallpapers/tensura.png; };
           description = ''
             Wallpaper to monitor mapper
           '';
@@ -44,7 +43,8 @@ in
         extraConfig = mkOption {
           type = str;
           default = "";
-          description = "Check https://github.com/hyprwm/hyprpaper#usage for info";
+          description =
+            "Check https://github.com/hyprwm/hyprpaper#usage for info";
           example = ''
             newConfigOption = foo,bar
           '';
@@ -54,9 +54,7 @@ in
   };
 
   config = {
-    home.packages = mkIf cfg.enable [
-      pkgs.hyprpaper
-    ];
+    home.packages = mkIf cfg.enable [ pkgs.hyprpaper ];
 
     systemd.user.services.hyprpaper = mkIf cfg.systemd.enable {
       Unit = {
@@ -73,11 +71,7 @@ in
         KillMode = "mixed";
       };
 
-      Install = { 
-        WantedBy = [ 
-          cfg.systemd.target 
-        ]; 
-      };
+      Install = { WantedBy = [ cfg.systemd.target ]; };
     };
 
     xdg.configFile = mkIf cfg.enable {
@@ -85,10 +79,17 @@ in
         # Auto-generated by Nix home-manager module
 
         # hyprpaper.settings.preload
-        ${(lists.foldl (acc: v: acc + "preload = ${v}\n") "" cfg.settings.preload)}
+        ${(lists.foldl (acc: v:
+          acc + ''
+            preload = ${v}
+          '') "" cfg.settings.preload)}
 
         # hyprpaper.settings.wallpapers
-        ${(lists.foldl (acc: v: acc + "wallpaper = ${v}\n") "" cfg.settings.wallpapers)}
+        ${(lists.foldl (acc: v:
+          acc + ''
+            wallpaper = ${v}
+          '') "" (pkgs.lib.attrsets.mapAttrsToList (name: val: name + "," + val)
+            cfg.settings.wallpapers))}
 
         # hyprpaper.settings.extraConfig
         ${cfg.settings.extraConfig}