experiment some more with flakes

flake.lock

@@ -1,5 +1,21 @@
 {
   "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1701068326,
@@ -18,7 +34,29 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "swayfx": "swayfx"
+      }
+    },
+    "swayfx": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1701050261,
+        "narHash": "sha256-SlfJ34TR+QdFPnTpyo/UON9RDxS3MfLU9tOabWHkknQ=",
+        "owner": "WillPower3309",
+        "repo": "swayfx",
+        "rev": "7c75b21933215348f28a2c788b174901ef13e267",
+        "type": "github"
+      },
+      "original": {
+        "owner": "WillPower3309",
+        "repo": "swayfx",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -5,12 +5,26 @@
     nixpkgs = {
       url = "github:NixOS/nixpkgs/nixos-unstable";
     };
+    swayfx = {
+      url = "github:WillPower3309/swayfx";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { self, nixpkgs }: {
+  outputs = inputs @ { self, nixpkgs, ... }: let
+    system = "x86_64-linux";
+
+    pkgs = import nixpkgs {
+      inherit system;
+      config.allowUnfree = true;
+      overlays = [self.overlays.default];
+    };
+  in {
+    overlays.default = import ./overlay.nix {inherit inputs system;};
+
     nixosConfigurations = {
       grimmauld-nixos = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
+        inherit system;
         modules = [
           ./configuration.nix
           ./modules/sway.nix

overlay.nix

@@ -0,0 +1,15 @@
+{
+  inputs,
+  system,
+  ...
+}: final: prev: 
+{
+  # stable packages
+  stable = import inputs.nixpkgs-stable {
+    inherit system;
+    config.allowUnfree = true;
+  };
+
+  # SwayFX
+  sway-unwrapped = inputs.swayfx.packages.${system}.default;
+}