Setup WSL Host

nix/configuration.nix

@@ -0,0 +1,26 @@
+# Edit this configuration file to define what should be installed on
+# your system. Help is available in the configuration.nix(5) man page, on
+# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
+
+{ config, lib, pkgs, meta, ... }:
+
+{
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  environment.systemPackages = with pkgs; [ wget busybox ];
+  programs.nix-ld.enable = true;
+  networking.hostName = meta.hostname;
+
+  home-manager.useGlobalPkgs = true;
+  home-manager.useUserPackages = true;
+  home-manager.users.luca = import ./users/luca/home.nix;
+  users.users.luca.shell = pkgs.zsh;
+  programs.zsh.enable = true;
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It's perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.05"; # Did you read the comment?
+}

nix/flake.nix

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+{
+  description = "Top level flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    nixos-wsl.url = "github:nix-community/NixOS-WSL/main";
+    home-manager.url = "github:nix-community/home-manager";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = inputs@{ nixpkgs, ... }:
+    let
+      systems = [ "x86_64-linux" ];
+      hosts = [{
+        name = "wsl-kumatani";
+        isWSL = true;
+      }];
+    in {
+      nixosConfigurations = builtins.listToAttrs (map (host: {
+        name = host.name;
+        value = nixpkgs.lib.nixosSystem {
+          specialArgs = {
+            inherit inputs outputs;
+            meta = { hostname = host.name; };
+          };
+          system = "x86_64-linux";
+          modules =
+            [ ./configuration.nix home-manager.nixosModules.home-manager ]
+            ++ (if host.isWSL then [
+              ./wsl.nix
+              nixos-wsl.nixosModules.default
+            ] else
+              [ ]);
+        };
+      }) hosts);
+    };
+}

nix/users/luca/git.nix

@@ -0,0 +1,13 @@
+{
+  enable = true;
+  userName = "rocketcamel";
+  userEmail = "luca_lise@icloud.com";
+  extraConfig = {
+    init = {
+      defaultBranch = "main";
+    };
+    commit.gpgsign = true;
+    gpg.format = "ssh";
+    user.signingkey = "~/.ssh/commits.id_rsa.pub";
+  };
+}

nix/users/luca/helix.nix

@@ -0,0 +1,53 @@
+{ pkgs, ... }:
+
+{
+  enable = true;
+  languages.language = [
+    {
+      name = "nix";
+      auto-format = true;
+      formatter.command = "${pkgs.nixfmt}/bin/nixfmt";
+    }
+    {
+      name = "typescript";
+      auto-format = true;
+      formatter = {
+        command = "${pkgs.nodePackages_latest.prettier}/bin/prettier";
+        args = [ "--parser" "typescript" ];
+      };
+    }
+    {
+      name = "tsx";
+      auto-format = true;
+      formatter = {
+        command = "${pkgs.nodePackages_latest.prettier}/bin/prettier";
+        args = [ "--parser" "typescript" ];
+      };
+    }
+  ];
+  settings = {
+    theme = "rose_pine";
+    editor = {
+      true-color = true;
+      line-number = "relative";
+      lsp.display-messages = true;
+      cursor-shape = {
+        insert = "block";
+        normal = "block";
+      };
+    };
+    keys.normal = {
+      space.q = ":q";
+      w = [ "move_next_word_start" "move_char_right" "collapse_selection" ];
+      b = [ "move_prev_word_start" "collapse_selection" ];
+      i = [ "insert_mode" "collapse_selection" ];
+      a = [ "append_mode" "collapse_selection" ];
+    };
+  };
+  themes = {
+    rose_pine = {
+      inherits = "rose_pine";
+      "ui.background" = "transparent";
+    };
+  };
+}

nix/users/luca/home.nix

@@ -0,0 +1,25 @@
+{ config, pkgs, ... }:
+
+{
+  home.username = "luca";
+  home.homeDirectory = "/home/luca";
+
+  programs = {
+    git = import ./git.nix;
+    zsh = import ./zsh.nix;
+    tmux = import ./tmux.nix { inherit pkgs; };
+    helix = import ./helix.nix { inherit pkgs; };
+  };
+
+  home.packages = with pkgs; [
+    nodePackages_latest.typescript-language-server
+    nodejs_22
+    pnpm
+    gh
+    oh-my-posh
+  ];
+
+  home.stateVersion = "24.11";
+
+  programs.home-manager.enable = true;
+}

nix/users/luca/tmux.nix

@@ -0,0 +1,16 @@
+{ pkgs, ... }:
+
+{
+  enable = true;
+  prefix = "C-Space";
+  mouse = true;
+  baseIndex = 1;
+  sensibleOnTop = true;
+  keyMode = "vi";
+  plugins = with pkgs; [{ plugin = tmuxPlugins.tokyo-night-tmux; }];
+  extraConfig = ''
+    bind -n M-H previous-window
+    bind -n M-L next-window
+  '';
+  escapeTime = 0;
+}

nix/users/luca/zsh.nix

@@ -0,0 +1,9 @@
+{
+  enable = true;
+  enableCompletion = true;
+  autosuggestion.enable = true;
+  envExtra = ''
+    . "$HOME/.rokit/env"
+    eval "$(oh-my-posh init zsh -c ~/.config/ohmyposh/zen.toml)"
+  '';
+}

nix/wsl.nix

@@ -0,0 +1,4 @@
+{
+  wsl.enable = true;
+  wsl.defaultUser = "luca";
+}