Installation

System wide:

{
  environment.systemPackages = with nix-casks.packages.${system}; [
    font-adwaita # Adwaita
  ];
}

Home Manager:

{
  home.packages = with nix-casks.packages.${system}; [
    font-adwaita # Adwaita
  ];
}

Package Definition

{
  "pname": "font-adwaita",
  "version": "51.0",
  "src": {
    "url": "https://download.gnome.org/sources/adwaita-fonts/51/adwaita-fonts-51.0.tar.xz",
    "sha256": "fa104ae2c1b96580d322f563ffe8b2dfca5296b0eca4971efd2d8011405123d2"
  },
  "installPhase": [
    "mkdir -p \"$out/Library/Fonts/AdwaitaMono-Bold.ttf\" && cp -r \"adwaita-fonts-51.0/mono/AdwaitaMono-Bold.ttf\" \"$out/Library/Fonts\"",
    "mkdir -p \"$out/Library/Fonts/AdwaitaMono-BoldItalic.ttf\" && cp -r \"adwaita-fonts-51.0/mono/AdwaitaMono-BoldItalic.ttf\" \"$out/Library/Fonts\"",
    "mkdir -p \"$out/Library/Fonts/AdwaitaMono-Italic.ttf\" && cp -r \"adwaita-fonts-51.0/mono/AdwaitaMono-Italic.ttf\" \"$out/Library/Fonts\"",
    "mkdir -p \"$out/Library/Fonts/AdwaitaMono-Regular.ttf\" && cp -r \"adwaita-fonts-51.0/mono/AdwaitaMono-Regular.ttf\" \"$out/Library/Fonts\"",
    "mkdir -p \"$out/Library/Fonts/AdwaitaSans-Italic.ttf\" && cp -r \"adwaita-fonts-51.0/sans/AdwaitaSans-Italic.ttf\" \"$out/Library/Fonts\"",
    "mkdir -p \"$out/Library/Fonts/AdwaitaSans-Regular.ttf\" && cp -r \"adwaita-fonts-51.0/sans/AdwaitaSans-Regular.ttf\" \"$out/Library/Fonts\""
  ],
  "meta": {
    "homepage": "https://gitlab.gnome.org/GNOME/adwaita-fonts"
  }
}