ctucx.git: website

flake: refactor, remove `flake-utils` dependency

diff --git a/flake.lock b/flake.lock
@@ -1,23 +1,5 @@
 {
   "nodes": {
-    "flake-utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1690927903,

@@ -36,24 +18,8 @@
     },
     "root": {
       "inputs": {
-        "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs"
       }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
     }
   },
   "root": "root",

diff --git a/flake.nix b/flake.nix
@@ -1,37 +1,38 @@
 {
+
   description = "ctucx.website";
 
-  inputs = {
-    flake-utils.url = "github:numtide/flake-utils";
-    nixpkgs.url     = "github:NixOS/nixpkgs/nixos-23.05";
-  };
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
 
-  outputs = { self, nixpkgs, flake-utils }: {
+  outputs = inputs: let
+    forAllSystems = function:
+      inputs.nixpkgs.lib.genAttrs [
+        "x86_64-linux"
+        "aarch64-linux"
+        "aarch64-darwin"
+      ] (system: function (import inputs.nixpkgs {
+        system   = system;
+        overlays = [ inputs.self.overlays.default ];
+      }));
 
-    overlay = final: prev: {
+  in {
 
+    packages = forAllSystems (pkgs: {
+      default       = pkgs.ctucx-website;
+      ctucx-website = pkgs.ctucx-website;
+    });
+
+    overlays.default = final: prev: {
       ctucx-website = final.stdenv.mkDerivation rec {
         name = "ctucx-homepage";
-        src  = self;
+        src  = inputs.self;
 
         makeFlags = [ "PREFIX=$(out)" ];
 
         buildInputs = [ final.pandoc ];
       };
-
     };
 
-  } // (flake-utils.lib.eachDefaultSystem (system:
-    let
-      pkgs = import nixpkgs {
-        inherit system;
-        overlays = [ self.overlay ];
-      };
-
-    in rec {
-
-      packages.default = pkgs.ctucx-website;
-      packages.ctucx-website  = pkgs.ctucx-website;
+  };
 
-  }));
-}-
\ No newline at end of file
+}