replace included wallpapers with input reference

flake.lock

@@ -78,7 +78,24 @@
         "darwin": "darwin",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",
-        "nur": "nur"
+        "nur": "nur",
+        "wallpapers": "wallpapers"
+      }
+    },
+    "wallpapers": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1653239252,
+        "narHash": "sha256-Fiw5P+XULgqlLRGf+GKaRZ+Nw0UIx5TaYa7ipiA0+X4=",
+        "owner": "exorcist365",
+        "repo": "wallpapers",
+        "rev": "4e0a72a8d67264e58fa0424693fd93cb24bc527c",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "exorcist365",
+        "repo": "wallpapers",
+        "type": "gitlab"
       }
     }
   },

flake.nix

@@ -23,9 +23,15 @@
     # Community packages; used for Firefox extensions
     nur.url = "github:nix-community/nur";
 
+    # Wallpapers
+    wallpapers = {
+      url = "gitlab:exorcist365/wallpapers";
+      flake = false;
     };
 
-  outputs = { self, nixpkgs, darwin, home-manager, nur }:
+  };
+
+  outputs = { self, nixpkgs, darwin, home-manager, nur, wallpapers }:
 
     let
 
@@ -40,7 +46,7 @@
         dotfilesRepo = "https://github.com/nmasur/dotfiles";
         gui = {
           colorscheme = (import ./modules/colorscheme/gruvbox);
-          wallpaper = ./media/wallpaper/road.jpg;
+          wallpaper = "${wallpapers}/gruvbox/road.jpg";
           gtk.theme = { name = "Adwaita-dark"; };
         };
       };