dotfiles.nix/flake-parts/packages.nix

# Copyright (c) 2018 Terje Larsen

# This work is licensed under the terms of the MIT license.  
# For a copy, see https://opensource.org/licenses/MIT.

# https://github.com/terlar/nix-config/blob/00c8a3622e8bc4cb522bbf335e6ede04ca07da40/flake-parts/packages.nix

{ self
, lib
, ...
}: {
  perSystem =
    { config
    , pkgs
    , ...
    }:
    let
      overlays = [
        self.overlays.default
      ];
      pkgs' = pkgs.extend (lib.composeManyExtensions overlays);
    in
    {
      packages = {
        inherit (pkgs')
          chromium-mac
          darwin-zsh-completions
          firefox-mac
          freecad-mac
          org-auctex
          pinentry-mac
          pinentry-touchid
          qbittorrent-mac
          spotify-mac
          vlc-mac;
      };

      legacyPackages = {
        wrapPackage =
          { wrapper
          , package
          , exes ? [ (lib.getExe package) ]
          ,
          }:
          let
            wrapperExe = lib.getExe wrapper;
            wrapExe = exe:
              pkgs.writeShellScriptBin (builtins.baseNameOf exe) ''
                exec ${wrapperExe} ${exe} "$@"
              '';
          in
          pkgs.symlinkJoin {
            name = "${package.name}-${wrapper.name}";
            paths = (map wrapExe exes) ++ [ package ];
          };

        wrapPackages = pkgsWrapperFn: pkgNames: final: prev:
          let
            wrapper = pkgsWrapperFn final;
          in
          builtins.listToAttrs (map
            (name: {
              inherit name;
              value = config.legacyPackages.wrapPackage {
                inherit wrapper;
                package = prev.${name};
              };
            })
            pkgNames);
      };
    };
}