nixos-lib/programs/libreoffice.nix

{
  config,
  pkgs,
  lib,
  myLib,
  ...
}:
with lib;
let
  cfg = config.aviallon.programs.libreoffice;

  applyOverrides = overrides: pkg: pipe pkg overrides;
in
{
  options.aviallon.programs.libreoffice = {
    enable = mkEnableOption "LibreOffice";
    variant = mkOption {
      type =
        with types;
        types.enum [
          "still"
          "fresh"
        ];
      default = "fresh";
      description = "Which LibreOffice variant to use";
    };
    qt = mkEnableOption "Qt support";
    gnome = mkOption {
      description = "Wether to enable Gnome support";
      default = true;
      type = types.bool;
      internal = true;
    };
    opencl = mkEnableOption "OpenCL support";
    package = mkOption {
      description = "Which final LibreOffice package to use";
      type = myLib.types.package';
    };
    package' = mkOption {
      internal = true;
      description = "Which base (unwrapped) LibreOffice package to use";
      default = if cfg.qt then pkgs.libreoffice-qt.unwrapped else pkgs.libreoffice.unwrapped;
      type = myLib.types.package';
    };
  };

  config = mkIf cfg.enable {
    aviallon.programs.libreoffice.package =
      let
        overridesList =
          [ ]
          ++ [
            (
              pkg:
              pkg.override {
                variant = cfg.variant;
              }
            )
          ]
          ++ optional cfg.opencl (
            pkg:
            pkg.overrideAttrs (old: {
              buildInputs = old.buildInputs ++ [ pkgs.ocl-icd ];
            })
          );
      in
      pkgs.libreoffice.override {
        unwrapped = applyOverrides overridesList cfg.package';
      };

    environment.systemPackages = [
      cfg.package
    ];
  };
}