flake.nix

{
  description = "Catppuccin's development tools";

  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";

  outputs = {
    self,
    nixpkgs,
    ...
  }: let
    systems = ["aarch64-darwin" "aarch64-linux" "x86_64-darwin" "x86_64-linux"];
    forEachSystem = fn: lib.genAttrs systems (system: fn (import nixpkgs {inherit system;}));
    inherit (nixpkgs) lib;
  in {
    checks = forEachSystem (pkgs: self.packages.${pkgs.system});
    packages = forEachSystem (pkgs: lib.filterAttrs (_: v: lib.isDerivation v) (pkgs.callPackage ./nix {}));
    overlays.default = final: prev: {
      catppuccin-catwalk = (prev.callPackage ./nix {}).catwalk;
      catppuccin-whiskers = (prev.callPackage ./nix {}).whiskers;
    };
    formatter = forEachSystem (pkgs: pkgs.alejandra);
  };

  nixConfig = {
    extra-substituters = ["https://catppuccin.cachix.org"];
    extra-trusted-public-keys = ["catppuccin.cachix.org-1:noG/4HkbhJb+lUAdKrph6LaozJvAeEEZj4N732IysmU="];
  };
}