Hyprland/nix/overlays.nix

{
  self,
  lib,
  inputs,
}: let
  props = builtins.fromJSON (builtins.readFile ../props.json);

  mkDate = longDate: (lib.concatStringsSep "-" [
    (builtins.substring 0 4 longDate)
    (builtins.substring 4 2 longDate)
    (builtins.substring 6 2 longDate)
  ]);
in {
  # Contains what a user is most likely to care about:
  # Hyprland itself, XDPH and the Share Picker.
  default = lib.composeManyExtensions (with self.overlays; [
    hyprland-packages
    hyprland-extras
  ]);

  # Packages for variations of Hyprland, dependencies included.
  hyprland-packages = lib.composeManyExtensions [
    # Dependencies
    inputs.hyprcursor.overlays.default
    inputs.hyprlang.overlays.default
    inputs.hyprutils.overlays.default
    inputs.hyprwayland-scanner.overlays.default
    self.overlays.xwayland

    # Hyprland packages themselves
    (final: prev: let
      date = mkDate (self.lastModifiedDate or "19700101");
    in {
      hyprland = final.callPackage ./default.nix {
        stdenv = final.gcc13Stdenv;
        version = "${props.version}+date=${date}_${self.shortRev or "dirty"}";
        commit = self.rev or "";
        inherit date;
      };
      hyprland-unwrapped = final.hyprland.override {wrapRuntimeDeps = false;};
      hyprland-debug = final.hyprland.override {debug = true;};
      hyprland-legacy-renderer = final.hyprland.override {legacyRenderer = true;};

      # deprecated packages
      hyprland-nvidia =
        builtins.trace ''
          hyprland-nvidia was removed. Please use the hyprland package.
          Nvidia patches are no longer needed.
        ''
        final.hyprland;

      hyprland-hidpi =
        builtins.trace ''
          hyprland-hidpi was removed. Please use the hyprland package.
          For more information, refer to https://wiki.hyprland.org/Configuring/XWayland.
        ''
        final.hyprland;
    })
  ];

  # Packages for extra software recommended for usage with Hyprland,
  # including forked or patched packages for compatibility.
  hyprland-extras = lib.composeManyExtensions [
    inputs.xdph.overlays.xdg-desktop-portal-hyprland
  ];

  # Patches XWayland's pkgconfig file to not include Cflags or includedir
  # The above two variables trip up CMake and the build fails
  xwayland = final: prev: {
    xwayland = prev.xwayland.overrideAttrs (old: {
      postInstall = ''
        sed -i '/includedir/d' $out/lib/pkgconfig/xwayland.pc
      '';
    });
  };
}