3 files changed, 117 insertions, 0 deletions
diff --git a/hostnix/mojo/Makefile b/hostnix/mojo/Makefile
new file mode 100644
index 0000000..ebc7e6f
--- /dev/null
+++ b/hostnix/mojo/Makefile
@@ -0,0 +1,5 @@
+rebuild:
+	sudo darwin-rebuild switch --flake path:.
+
+update:
+	nix flake update --flake path:.
diff --git a/hostnix/mojo/flake.lock b/hostnix/mojo/flake.lock
new file mode 100644
index 0000000..ea7d40c
--- /dev/null
+++ b/hostnix/mojo/flake.lock
@@ -0,0 +1,66 @@
+{
+  "nodes": {
+    "nix-darwin": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1772129556,
+        "narHash": "sha256-Utk0zd8STPsUJPyjabhzPc5BpPodLTXrwkpXBHYnpeg=",
+        "owner": "nix-darwin",
+        "repo": "nix-darwin",
+        "rev": "ebec37af18215214173c98cf6356d0aca24a2585",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-darwin",
+        "ref": "nix-darwin-25.11",
+        "repo": "nix-darwin",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1773679630,
+        "narHash": "sha256-w1T/F8hUiEayrRda277EpXW8LxrSkeer0/4HaCGsEE4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5560a08b531df7bca64849b0c02834dd897878db",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-25.11-darwin",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1773628058,
+        "narHash": "sha256-hpXH0z3K9xv0fHaje136KY872VT2T5uwxtezlAskQgY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f8573b9c935cfaa162dd62cc9e75ae2db86f85df",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nix-darwin": "nix-darwin",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/hostnix/mojo/flake.nix b/hostnix/mojo/flake.nix
new file mode 100644
index 0000000..913d702
--- /dev/null
+++ b/hostnix/mojo/flake.nix
@@ -0,0 +1,46 @@
+{
+  description = "nix-darwin system flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-25.11-darwin";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    nix-darwin.url = "github:nix-darwin/nix-darwin/nix-darwin-25.11";
+    nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = inputs@{ self, nix-darwin, nixpkgs, nixpkgs-unstable }:
+  let
+    configuration = { pkgs, ... }: {
+      environment.systemPackages = let
+        # TODO is there a better way to do this?
+        pkgsUnstable = import nixpkgs-unstable {
+          localSystem = pkgs.stdenv.system;
+          config.allowUnfree = true;
+        };
+      in
+        [
+          pkgsUnstable.claude-code
+          pkgsUnstable.jujutsu
+        ];
+
+      nix.settings.experimental-features = "nix-command flakes";
+
+      # Set Git commit hash for darwin-version.
+      system.configurationRevision = self.rev or self.dirtyRev or null;
+
+      # Used for backwards compatibility, please read the changelog before changing.
+      # $ darwin-rebuild changelog
+      system.stateVersion = 6;
+
+      # The platform the configuration will be used on.
+      nixpkgs.hostPlatform = "aarch64-darwin";
+
+      nixpkgs.config.allowUnfree = true;
+    };
+  in
+  {
+    darwinConfigurations.mojo = nix-darwin.lib.darwinSystem {
+      modules = [ configuration ];
+    };
+  };
+}