Add tmux

home/default.nix

@@ -7,10 +7,12 @@
     users.${user} = {
       imports = [
         ./programs/firefox
+        ./programs/tmux
         ./zsh
         ./packages
       ];
       firefox.enable = true;
+      tmux.enable = true;
       home = {
         username = "${user}";
         homeDirectory = "/home/${user}";

home/programs/tmux/default.nix

@@ -0,0 +1,14 @@
+{ pkgs, lib, config, ...}:
+with lib;
+let cfg = config.tmux.enable;
+in {
+  options.tmux.enable = mkEnableOption "tmux";
+  config = mkIf cfg {
+    programs.tmux = {
+      enable = true;
+      prefix = "C-a";
+      terminal = "screen-256color";
+    };
+  };
+}
+