nixpkgs/nixos/modules/config/appstream.nix


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{ config, lib, ... }:

with lib;
{
  options = {
    appstream.enable = mkOption {
      type = types.bool;
      default = true;
      description = lib.mdDoc ''
        Whether to install files to support the
        [AppStream metadata specification](https://www.freedesktop.org/software/appstream/docs/index.html).
      '';
    };
  };

  config = mkIf config.appstream.enable {
    environment.pathsToLink = [
      # per component metadata
      "/share/metainfo"
      # legacy path for above
      "/share/appdata"
    ];
  };

}