# This file defines overlays
{inputs, ...}: {
  # Emacs overlay for latest Emacs builds
  emacs = inputs.emacs-overlay.overlays.default;

  # This one brings our custom packages from the 'pkgs' directory
  additions = final: _prev: import ../pkgs final.pkgs;

  # This one contains whatever you want to overlay
  # You can change versions, add patches, set compilation flags, anything really.
  # https://nixos.wiki/wiki/Overlays
  modifications = final: prev: {
    # Add emacs-plus patches on top of emacs-overlay's emacs30
    emacs30 = prev.emacs30.overrideAttrs (old: {
      patches = (old.patches or []) ++ [
        # Fix window role for yabai compatibility
        (final.fetchpatch {
          name = "fix-window-role.patch";
          url = "http://raw.githubusercontent.com/d12frosted/homebrew-emacs-plus/refs/heads/master/patches/emacs-28/fix-window-role.patch";
          hash = "sha256-+z/KfsBm1lvZTZNiMbxzXQGRTjkCFO4QPlEK35upjsE=";
        })
      ];
    });
  };

  # When applied, the unstable nixpkgs set (declared in the flake inputs) will
  # be accessible through 'pkgs.unstable'
  unstable-packages = final: _prev: {
    unstable = import inputs.nixpkgs-unstable {
      system = final.system;
      config.allowUnfree = true;
    };
  };
}