Make common modules compatible for nix-darwin

TODO: Determine why nushell config is populated twice

Justfile

@@ -1,13 +1,16 @@
-set shell := ["nu", "-c"]
+set shell := ["bash", "-c"]
 editor := env('EDITOR')
+rebuild := if os() == "linux" { "nixos-rebuild" } else { "darwin-rebuild" }
 
 default:
   @just --list --justfile {{justfile()}}
 
-# Runs `nixos-rebuild`
+# TODO: Run `pre-commit install` at some point
+
+# Runs `nixos-rebuild` or `darwin-rebuild` depending on the OS
 [group('nix')]
 deploy:
-  nixos-rebuild switch --flake . --use-remote-sudo
+  sudo {{rebuild}} switch --flake .
 
 europium:
   nixos-rebuild switch --flake .#europium --target-host europium --build-host europium --use-remote-sudo

flake.nix

@@ -16,8 +16,13 @@
         nixos = [
           agenix.nixosModules.default
           agenix-rekey.nixosModules.default
+          ./modules/common
+        ];
+        darwin = [
+          agenix.darwinModules.default
+          agenix-rekey.nixosModules.default
+          ./modules/common
         ];
-        darwin = [];
       };
 
       # Add modules only to specific hosts
@@ -41,7 +46,7 @@
     // {
       agenix-rekey = inputs.agenix-rekey.configure {
         userFlake = inputs.self;
-        nixosConfigurations = inputs.self.nixosConfigurations;
+        nixosConfigurations = inputs.self.nixosConfigurations // inputs.self.darwinConfigurations;
         homeConfigurations = inputs.self.homeConfigurations;
       };
     };

homes/x86_64-darwin/christopher@molybdenum/default.nix

@@ -0,0 +1,17 @@
+{
+  pkgs,
+  config,
+  ...
+} @ all: {
+  elements.secrets = {
+    rekeyPath = "christopher_molybdenum";
+    key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHl33DPxxzxrNNjM8rL4ktAj4ExzCyGiU8rKog0csxNA";
+  };
+
+  elements.kitty.enable = true;
+
+  home.packages = with pkgs; [
+    _elements.to-s3
+    _elements.connect-to-mercury
+  ];
+}

homes/x86_64-linux/christopher@cobalt/config/terminal.nix

@@ -1,17 +0,0 @@
-{...}: {
-  programs.kitty = {
-    enable = true;
-
-    settings = {
-      window_padding_width = "5 10";
-      font_family = "Monaspace Krypton";
-      paste_actions = "no-op";
-    };
-
-    extraConfig = ''
-      modify_font cell_height 7px
-    '';
-
-    themeFile = "Catppuccin-Frappe";
-  };
-}

homes/x86_64-linux/christopher@cobalt/default.nix

@@ -32,13 +32,11 @@
     };
   };
 
+  elements.kitty.enable = true;
+
   home = {
     extraOutputsToInstall = ["doc" "devdoc"];
 
-    # Until Home Manager 24.11 releases
-    stateVersion = "23.11";
-    enableNixpkgsReleaseCheck = false;
-
     packages = with pkgs._elements; [
       quick-zeal
       spawn-term
@@ -49,7 +47,5 @@
     ];
   };
 
-  programs.home-manager.enable = true;
-
   # home.file.".config/Yubico/u2f_keys".text = "christopher:C7akk/T8XYov6fOk3rGo0ZW66QPMtdLnGznPuK+tTh/qmPecvECzGVMKJuh5M7nYsMoT6r/idAP88FGinf/rpw==,ydS/PgUALZriaaHYS81u3x8rRFulq727GDJRlvbJhP2yeKK7Ih+xqRceyabLR3MxRN8PT/MtC1I/Xjaxl0S2Rg==,es256,+presence";
 }

modules/common/default.nix

@@ -0,0 +1,23 @@
+{
+  inputs,
+  pkgs,
+  ...
+}: {
+  # This module is common to all systems, both nixos and darwin. It is
+  # automatically added to all hosts via the flake configuration.
+
+  imports = [
+    ./elements.nix
+    ./secrets.nix
+    ./nix.nix
+
+    ./programs/home-manager.nix
+  ];
+
+  environment.systemPackages = with pkgs; [
+    pre-commit
+    git
+    gitleaks
+    just
+  ];
+}

modules/common/nix.nix

@@ -4,9 +4,6 @@
   config,
   ...
 }: {
-  # Needed for Nix flakes
-  environment.systemPackages = [pkgs.git];
-
   nix.settings = {
     # auto-optimize-store = true;
     # builders-use-substitutes = true;

modules/darwin/secrets/default.nix

@@ -1,6 +0,0 @@
-{...}: {
-  # Use the same secrets (agenix) module for darwin as we have already configured
-  # for nixos as its functionality is not system-dependent.
-
-  imports = [../../nixos/secrets];
-}

modules/home/common/default.nix

@@ -0,0 +1,13 @@
+{...}: {
+  imports = [
+    ./helix
+    ./terminal
+  ];
+
+  home = {
+    stateVersion = "23.11";
+    enableNixpkgsReleaseCheck = false;
+  };
+
+  programs.home-manager.enable = true;
+}

modules/home/common/terminal/default.nix

@@ -7,8 +7,7 @@ in {
     ./programs
     ./shell/aliases.nix
     ./shell/prompt.nix
-    ./shell/nu
-    ./shell/zsh
+    # ./shell/nu
   ];
 
   # add environment variables
@@ -22,7 +21,6 @@ in {
     TERMINAL = "kitty";
     EDITOR = "hx";
     TERM = "xterm-color";
-    # QT_QPA_PLATFORMTHEME = "qt5ct";
 
     # auto-run programs using nix-index-database
     NIX_AUTO_RUN = "1";

modules/home/common/terminal/shell/nu/default.nix

@@ -72,12 +72,6 @@
         }
       }
 
-      $env.PATH = ($env.PATH |
-        split row (char esep) |
-        prepend /home/myuser/.apps |
-        append /usr/bin/env
-      )
-
       def agx [search] {
         hx (ag $search | fzf | cut -d : -f 1,2)
       }
@@ -90,6 +84,7 @@
           | append $"($env.HOME)/code/hausgold/snippets/bin"
           | append $"($env.HOME)/.bun/bin"
           | append $"($env.HOME)/.npm/bin"
+          | append /usr/bin/env
       )
     '';
   };

modules/home/gui/default.nix

@@ -0,0 +1,5 @@
+{...}: {
+  imports = [
+    ./kitty.nix
+  ];
+}

modules/home/gui/kitty.nix

@@ -0,0 +1,34 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.elements;
+in {
+  options = {
+    elements.kitty = {
+      enable = mkEnableOption "kitty";
+    };
+  };
+
+  config = mkIf cfg.kitty.enable {
+    programs.kitty = {
+      enable = true;
+
+      settings = {
+        window_padding_width = "5 10";
+        font_family = "Monaspace Krypton";
+        paste_actions = "no-op";
+      };
+
+      extraConfig = ''
+        shell ${pkgs.nushell}/bin/nu
+        modify_font cell_height 7px
+      '';
+
+      themeFile = "Catppuccin-Frappe";
+    };
+  };
+}

modules/nixos/common/core/default.nix

@@ -1,6 +1,4 @@
 {lib, ...}: {
-  documentation.dev.enable = true;
-
   i18n = {
     defaultLocale = "en_US.UTF-8";
     supportedLocales = [

modules/nixos/common/default.nix

@@ -1,19 +1,6 @@
-{
-  inputs,
-  pkgs,
-  ...
-}: {
+{...}: {
   imports = [
     ./core
     ./core/users.nix
-    ./core/nix.nix
-
-    ./programs/home-manager.nix
-    ./programs/zsh.nix
-  ];
-
-  environment.systemPackages = with pkgs; [
-    pre-commit
-    gitleaks
   ];
 }

modules/nixos/common/programs/zsh.nix

@@ -1,26 +0,0 @@
-{
-  environment.pathsToLink = ["/share/zsh"];
-
-  programs = {
-    less.enable = true;
-
-    zsh = {
-      enable = true;
-      autosuggestions.enable = true;
-      syntaxHighlighting = {
-        enable = true;
-        patterns = {
-          "rm -rf *" = "fg=black,bg=red";
-        };
-        styles = {
-          "aliases" = "fg=magenta";
-        };
-        highlighters = [
-          "main"
-          "brackets"
-          "pattern"
-        ];
-      };
-    };
-  };
-}

systems/x86_64-darwin/molybdenum/default.nix

@@ -11,5 +11,6 @@
     };
   };
 
-  users.users.christopher = {}; # For some reason this is required for hm to work.
+  # For some reason this is required for hm to work with nix-darwin
+  users.users.christopher = {};
 }

systems/x86_64-linux/cobalt/default.nix

@@ -19,6 +19,8 @@ with lib._elements; {
     ./beszel-agent.nix
 
     ./wayland.nix
+
+    # TODO: Add config settings like "services.shutdown.enable = true;"
     "${inputs.self}/modules/nixos/common/services/shutdown.nix"
   ];
 
@@ -49,9 +51,6 @@ with lib._elements; {
   # Set your time zone.
   time.timeZone = "Europe/Berlin";
 
-  # Select internationalisation properties.
-  i18n.defaultLocale = "en_US.UTF-8";
-
   console = {
     font = "Lat2-Terminus16";
     useXkbConfig = true; # use xkbOptions in tty.
@@ -131,8 +130,6 @@ with lib._elements; {
       pinentryPackage = pkgs.pinentry-gtk2;
       enableSSHSupport = true;
     };
-
-    zsh.enable = true;
   };
 
   environment = {

systems/x86_64-linux/mercury/default.nix

@@ -58,15 +58,11 @@ with lib._elements; {
     gnumake
   ];
 
-  # Select internationalisation properties.
-  i18n.defaultLocale = "en_US.UTF-8";
-
   console = {
     font = "Lat2-Terminus16";
     keyMap = lib.mkForce "de";
   };
 
-  programs.zsh.enable = true;
   programs.vim.enable = true;
   programs.git.enable = true;