progress in multi user config

modules/home/desktop/terminal/alacritty.nix

@@ -0,0 +1,52 @@
+{
+  config,
+  options,
+  lib,
+  pkgs,
+  user,
+  ...
+}: let
+  inherit (builtins) toString;
+  inherit (lib.meta) getExe;
+  inherit (lib.modules) mkIf mkMerge;
+in {
+  options.modules.${user}.desktop.terminal.alacritty = let
+    inherit (lib.options) mkEnableOption;
+  in { enable = mkEnableOption "OpenGL terminal emulator"; };
+
+  config = mkIf config.${user}.modules.desktop.terminal.alacritty.enable {
+    modules.shell.toolset.tmux.enable = true;
+
+    home-manager.users.${user}.programs.alacritty = {
+      enable = true;
+
+      settings = mkMerge [
+        {
+          env = {
+            TERM = "xterm-256color";
+            WINIT_X11_SCALE_FACTOR = "1.0";
+          };
+
+          window.dynamic_title = true;
+
+          scrolling = {
+            history = 5000;
+            multiplier = 3;
+          };
+
+          selection = {
+            semantic_escape_chars = '',│`|:"' ()[]{}<>'';
+            save_to_clipboard = false;
+          };
+
+          live_config_reload = true;
+
+          shell = {
+            program = "${getExe pkgs.zsh}";
+            args = ["-l" "-c" "tmux new || tmux"];
+          };
+        }
+      ];
+    };
+  };
+}

modules/home/desktop/terminal/default.nix

@@ -0,0 +1,24 @@
+{ config, options, lib, pkgs, user, ... }:
+let
+  inherit (lib.modules) mkDefault mkIf mkMerge;
+
+  cfg = config.modules.${user}.desktop.terminal;
+in {
+  options.modules.${user}.desktop.terminal = let
+    inherit (lib.options) mkOption;
+    inherit (lib.types) str;
+  in {
+    default = mkOption {
+      type = str;
+      default = "alacrity";
+      description = "Default terminal";
+      example = "alacrity";
+    };
+  };
+
+  config = mkMerge [
+    {
+      home-manager.users.${user}.home.sessionVariables.TERMINAL = cfg.default;
+    }
+  ];
+}

modules/home/desktop/terminal/ghostty.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  options,
+  lib,
+  pkgs,
+  user,
+  ...
+}: let
+  inherit (builtins) toString;
+  inherit (lib.meta) getExe;
+  inherit (lib.modules) mkIf mkMerge;
+in {
+  options.modules.${user}.desktop.terminal.ghostty = let
+    inherit (lib.options) mkEnableOption;
+  in { enable = mkEnableOption "ghostty"; };
+
+  config = mkIf config.modules.${user}.desktop.terminal.ghostty.enable {
+    environment.systemPackages = [
+      pkgs.ghostty
+    ];
+
+    modules.${user}.shell.toolset.tmux.enable = true;
+
+    home-manager.users.${user}.programs.ghostty = {
+      enable = true;
+      settings = {
+        background-blur-radius = 20;
+        theme = "dark:everforest,light:everforest";
+        window-theme = "dark";
+        background-opacity = 0.8;
+        minimum-contrast = 1.1;
+      };
+    };
+  };
+}