use zig overlay

flake.lock

@@ -1,30 +1,61 @@
 {
   "nodes": {
-    "flake-parts": {
+    "flake-compat": {
-      "inputs": {
+      "flake": false,
-        "nixpkgs-lib": "nixpkgs-lib"
-      },
       "locked": {
-        "lastModified": 1693611461,
+        "lastModified": 1673956053,
-        "narHash": "sha256-aPODl8vAgGQ0ZYFIRisxYG5MOGSkIczvu2Cd8Gb9+1Y=",
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
-        "owner": "hercules-ci",
+        "owner": "edolstra",
-        "repo": "flake-parts",
+        "repo": "flake-compat",
-        "rev": "7f53fdb7bdc5bb237da7fefef12d099e4fd611ca",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
         "type": "github"
       },
       "original": {
-        "owner": "hercules-ci",
+        "owner": "edolstra",
-        "repo": "flake-parts",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1695806987,
+        "lastModified": 1696725822,
-        "narHash": "sha256-fX5kGs66NZIxCMcpAGIpxuftajHL8Hil1vjHmjjl118=",
+        "narHash": "sha256-B7uAOS7TkLlOg1aX01rQlYbydcyB6ZnLJSfaYbKVww8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f3dab3509afca932f3f4fd0908957709bb1c1f57",
+        "rev": "5aabb5780a11c500981993d49ee93cfa6df9307b",
         "type": "github"
       },
       "original": {
@@ -32,28 +63,62 @@
         "type": "indirect"
       }
     },
-    "nixpkgs-lib": {
+    "nixpkgs_2": {
       "locked": {
-        "dir": "lib",
+        "lastModified": 1689088367,
-        "lastModified": 1693471703,
+        "narHash": "sha256-Y2tl2TlKCWEHrOeM9ivjCLlRAKH3qoPUE/emhZECU14=",
-        "narHash": "sha256-0l03ZBL8P1P6z8MaSDS/MvuU8E75rVxe5eE1N6gxeTo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3e52e76b70d5508f3cec70b882a29199f4d1ee85",
+        "rev": "5c9ddb86679c400d6b7360797b8a22167c2053f8",
         "type": "github"
       },
       "original": {
-        "dir": "lib",
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "release-23.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "root": {
       "inputs": {
-        "flake-parts": "flake-parts",
+        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "zig": "zig"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "zig": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1696810944,
+        "narHash": "sha256-yvt223HLZlAJa/u4uzT5aw3ph2bifto/KfU2k+eX+jg=",
+        "owner": "mitchellh",
+        "repo": "zig-overlay",
+        "rev": "6dc03885321cc8aad6356c847148eb40e167f9fb",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mitchellh",
+        "repo": "zig-overlay",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -1,48 +1,47 @@
 {
   description = "FabApp";
 
+  # Inspired by https://github.com/mitchellh/zig-objc/blob/main/flake.nix
   inputs = {
     # take unstable if not specified
     # nixpkgs.url = "github:nixos/nixpkgs/release-23.05";
-    flake-parts.url = "github:hercules-ci/flake-parts";
+    # nixpkgs.url = "github:NixOS/nixpkgs/unstable";
-  };
+    flake-utils.url = "github:numtide/flake-utils";
-
+    zig.url = "github:mitchellh/zig-overlay";
-  outputs = inputs@{ flake-parts, nixpkgs, ... }:
-    flake-parts.lib.mkFlake { inherit inputs; } {
-      flake = {
-        # Put your original flake attributes here.
   };
 
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    ...
+  } @ inputs: let
+    overlays = [
+      (final: prev: {
+        zigpkgs = inputs.zig.packages.${prev.system};
+      })
+    ];
     systems = ["x86_64-linux"];
-
+  in
-      # https://flake.parts/module-arguments.html#persystem-module-parameters
+    flake-utils.lib.eachSystem systems (
-      perSystem = { pkgs, system, ... }: {
+      system: let
-        _module.args.pkgs = import nixpkgs {
+        pkgs = import nixpkgs {inherit overlays system;};
-          inherit system;
+      in rec {
-          # config.allowUnfree = true;
+        devShells.default = pkgs.mkShell {
-        };
+          nativeBuildInputs = with pkgs; [
-
+            zigpkgs.master
-        devShells.default = with pkgs;
-          mkShell {
-            buildInputs = [
-              sqlite
-
-              # Zig / webAssembly impl.
-              zig
             zls
             emscripten
-
+          ];
-              # Tools
+          buildInputs = with pkgs; [
-              nixfmt
+            sqlite
 
             # Linux graphical deps
             xorg.libX11
             libGL
           ];
-
-          };
-
-        formatter = pkgs.nixfmt;
-      };
         };
+        formatter = pkgs.alejandra;
+      }
+    );
 }