2 files changed, 39 insertions, 2 deletions
diff --git a/flake.lock b/flake.lock
index 790cc3f..5a75225 100644
--- a/flake.lock
+++ b/flake.lock
@@ -95,6 +95,22 @@
         "type": "github"
       }
     },
+    "nixpkgsUnstable": {
+      "locked": {
+        "lastModified": 1745391562,
+        "narHash": "sha256-sPwcCYuiEopaafePqlG826tBhctuJsLx/mhKKM5Fmjo=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "8a2f738d9d1f1d986b5a4cd2fd2061a7127237d7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": "flake-compat",
@@ -122,6 +138,7 @@
         "darwin": "darwin",
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",
+        "nixpkgsUnstable": "nixpkgsUnstable",
         "pre-commit-hooks": "pre-commit-hooks",
         "treefmt-nix": "treefmt-nix"
       }
diff --git a/flake.nix b/flake.nix
index 9d51051..ac1179c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,6 +4,8 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
 
+    nixpkgsUnstable.url = "github:nixos/nixpkgs/nixos-unstable";
+
     home-manager = {
       url = "github:nix-community/home-manager/release-24.11";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -29,6 +31,7 @@
   outputs =
     {
       nixpkgs,
+      nixpkgsUnstable,
       darwin,
       treefmt-nix,
       pre-commit-hooks,
@@ -37,7 +40,24 @@
     let
       system = "aarch64-darwin";
       pkgs = import nixpkgs { inherit system; };
-      mkSystem = import ./nix/lib/mkSystem.nix { inherit nixpkgs inputs; };
+      pkgsUnstable = import nixpkgsUnstable { inherit system; };
+
+      # Define overlays here
+      overlays = [
+        (final: _prev: {
+          sapi = final.callPackage ./pkgs/sapi { };
+          hashi = final.callPackage ./pkgs/hashi { };
+          llmPython = final.callPackage ./pkgs/llmPython {
+            inherit pkgsUnstable;
+          };
+        })
+      ];
+
+      mkSystem = import ./nix/lib/mkSystem.nix {
+        inherit nixpkgs nixpkgsUnstable inputs;
+        inherit overlays;
+      };
+
       treefmtEval = treefmt-nix.lib.evalModule pkgs {
         projectRootFile = "flake.nix";
         programs = {
@@ -91,7 +111,7 @@
           git
           (writeScriptBin "nbuild" ''
             set -e
-            echo "> Running darwin-rebuild switch..."
+            echo "> Running darwin-rebuild build..."
             ${inputs.darwin.packages.${system}.darwin-rebuild}/bin/darwin-rebuild build --flake .
             echo "> darwin-rebuild build was successful ✅"
             echo "> macOS config was successfully applied 🚀"