Add justfile

Update lock
Add treefmt

Justfile

@@ -0,0 +1,21 @@
+update:
+    #!/usr/bin/env bash
+    echo "Starting update scan..."
+    for dir in */; do
+        dirname=${dir%/}
+        if [ -f "$dir/flake.nix" ]; then
+            echo "-------------------------------------------"
+            echo "Updating flake in: $dirname"
+            (cd "$dir" && nix flake update)
+        else
+            echo "Skipping $dirname (no flake.nix found)"
+        fi
+    done
+    echo "-------------------------------------------"
+    echo "Update complete."
+
+update-lang lang:
+    cd {{lang}} && nix flake update
+
+format:
+    treefmt .

cpp/flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1771932323,
-        "narHash": "sha256-3PadsTzuMJT/x0KmiD/Me1GG6rW8kaHoWVduSs0ue7o=",
+        "lastModified": 1774612448,
+        "narHash": "sha256-+uVDNwxihd82I6aZTgNvIXqFyLcfUBkg/Y0A8UBgycg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "89bb5c5da7a857869cc88ef9b856bffdff8af264",
+        "rev": "b55b0e0c856ac73c7f507336780f97aa7a9746e2",
         "type": "github"
       },
       "original": {

cpp/flake.nix

@@ -2,13 +2,13 @@
   description = "Central C++ Dev Shell";
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable-small";
 
-  outputs =
-    { self, nixpkgs }:
-    let
+  outputs = {
+    self,
+    nixpkgs,
+  }: let
     system = "x86_64-linux";
     pkgs = nixpkgs.legacyPackages.${system};
-    in
-    {
+  in {
     devShells.${system}.default = pkgs.mkShell {
       nativeBuildInputs = with pkgs; [
         gcc

treefmt.toml

@@ -0,0 +1,3 @@
+[formatter.alejandra]
+command = "alejandra"
+includes = ["*.nix"]