nixos-configs/nixosModules/base/locale/default.nix

{pkgs, ...}: {
  fonts = {
    fontconfig = {
      enable = true;
      defaultFonts = {
        emoji = ["Noto Color Emoji"];
        monospace = ["JetBrainsMono Nerd Font"];
        sansSerif = ["Noto Nerd Font"];
        serif = ["Noto Nerd Font"];
      };
    };

    packages =
      [
        (pkgs.nerdfonts.override {
          fonts = [
            "JetBrainsMono"
            "Go-Mono"
            "Iosevka"
            "NerdFontsSymbolsOnly"
            "SpaceMono"
            "Ubuntu"
            "Noto"
          ];
        })
      ]
      ++ (builtins.attrValues {
        inherit
          (pkgs)
          noto-fonts
          noto-fonts-cjk-sans
          noto-fonts-emoji
          liberation_ttf
          font-awesome
          meslo-lgs-nf
          jetbrains-mono
          ubuntu_font_family
          ;
      });
  };

  # Select internationalisation properties.
  i18n.defaultLocale = "en_CA.UTF-8";
  console.useXkbConfig = true;
}