sudoku solver builds from flake

flake.lock

@@ -1,20 +1,90 @@
 {
   "nodes": {
-    "nixpkgs": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 0,
+        "lastModified": 1731533236,
-        "narHash": "sha256-ooLh+XW8jfa+91F1nhf9OF7qhuA/y1ChLx6lXDNeY5U=",
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "path": "/nix/store/k8nkf470zpidpa5nh76lh2x6rxfzpwa4-source",
+        "owner": "numtide",
-        "type": "path"
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
       },
       "original": {
-        "id": "nixpkgs",
+        "owner": "numtide",
-        "type": "indirect"
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1735563628,
+        "narHash": "sha256-OnSAY7XDSx7CtDoqNh8jwVwh4xNL/2HaJxGjryLWzX8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b134951a4c9f3c995fd7be05f3243f8ecd65d798",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1743576891,
+        "narHash": "sha256-vXiKURtntURybE6FMNFAVpRPr8+e8KoLPrYs9TGuAKc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "44a69ed688786e98a101f02b712c313f1ade37ab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
       }
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "sudoku-solver": "sudoku-solver"
+      }
+    },
+    "sudoku-solver": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1,
+        "narHash": "sha256-NQp1nHOu+WSSFtqLIfcccpfVHJy5aYi6Exr897CkheU=",
+        "path": "./src/sudoku-hs",
+        "type": "path"
+      },
+      "original": {
+        "path": "./src/sudoku-hs",
+        "type": "path"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -1,7 +1,11 @@
 {
   description = "Nix flake for the activity logging script";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+    sudoku-solver.url = "path:./src/sudoku-hs";
+  };
   outputs =
-    { nixpkgs, ... }:
+    { nixpkgs, ... }@inputs:
     let
       system = "x86_64-linux";
       pkgs = import nixpkgs {
@@ -44,6 +48,7 @@
           citra = pkgs.callPackage ./pkgs/citra/default.nix { branch = "nightly"; };
           pano = pkgs.callPackage ./pkgs/pano/default.nix { };
           vdhcoapp = pkgs.callPackage ./pkgs/vdhcoapp/default.nix { };
+          sudoku-solver = inputs.sudoku-solver.packages.${system}.default;
         }
         // generatePackages {
           dir = "pkgs";