enable tmux

home-manager/alacritty/config.nix

@@ -1,3 +1,4 @@
+pkgs: config:
 {
   # Gruvbox theme (https://github.com/alacritty/alacritty-theme/blob/master/themes/gruvbox_dark.yaml)
   colors = {
@@ -50,4 +51,13 @@
       style = "Bold Italic";
     };
   };
+
+  shell = {
+    program = "${pkgs.bash}/bin/bash";
+    args = [
+      "--login"
+      "-c"
+      "${config.programs.tmux.package}/bin/tmux"
+    ];
+  };
 }

home-manager/alacritty/default.nix

@@ -1,8 +1,9 @@
+{ pkgs, config, ... }:
 {
   config = {
     programs.alacritty = {
       enable = true;
-      settings = import ./config.nix;
+      settings = import ./config.nix pkgs config;
     };
   };
 }