nixos/modules/homes/zsh/completion.nix

{
  config,
  lib,
  ...
}:
with lib;
let
  cfg = config.modules.zsh;
  xdgCfg = config.xdg;
in
{
  config = mkIf cfg.enable {
    home.file."${xdgCfg.configHome}/zsh/completion.zsh" = {
      source = ./completion.zsh;
    };
  };
}