Installing fonts using home-manager

Whether you are on macOS or NixOS, you can install and setup fonts in an unified fashion with Nix using home-manager.

For e.g., to install the Cascadia Code font:

{
  home.packages = [
    # Fonts
    cascadia-code
  ];

  fonts.fontconfig.enable = true;
}

See this issue for details.

Verify on macOS

To confirm that the font was successfully installed on macOS, you can open the Font Book app and search for the font. They will have been installed into ~/Library/Fonts/HomeManager folder.