init by ai

nixos/modules/development.nix

@@ -0,0 +1,50 @@
+{ config, lib, pkgs, pkgs-unstable, ... }:
+
+{
+  options.custom.development = {
+    enable = lib.mkEnableOption "Development tools";
+    languages = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
+      description = "Programming languages to install (rust, python, nodejs, go, etc)";
+    };
+  };
+
+  config = let
+    cfg = config.custom.development;
+
+    languagePackages = {
+      rust = with pkgs; [ rustup cargo-deny cargo-edit ];
+      python = with pkgs; [ python3 python3Packages.pip python3Packages.virtualenv ];
+      nodejs = with pkgs; [ nodejs npm pnpm ];
+      go = with pkgs; [ go golangci-lint ];
+      ruby = with pkgs; [ ruby bundler ];
+    };
+
+    selectedPackages =
+      lib.concatMap (lang: languagePackages.${lang} or []) cfg.languages;
+
+  in lib.mkIf cfg.enable {
+
+    # Core development tools
+    environment.systemPackages = with pkgs; [
+      git
+      git-lfs
+      gnumake
+      pkg-config
+      gcc
+      clang
+      cmake
+      gdb
+      ripgrep
+      fd
+      jq
+      yq-go
+    ] ++ selectedPackages;
+
+    # Enable container support (optional)
+    virtualisation.docker.enable = true;
+    virtualisation.docker.enableOnBoot = false;
+
+  };
+}