{
  user ? throw "user argument is required",
  home ? throw "home argument is required",
}:
{ config, pkgs, ... }:
{
  environment = {
    persistence."/persist/state"."${home}/.local/share/zsh" = { };
    # If we set this under home-manager.users.${user}.home.sessionVariables,
    # it runs too late in the init process and zsh fails.
    sessionVariables.ZDOTDIR = "$HOME/.config/zsh";
  };

  home-manager.users.${user} = {
    programs.zsh = {
      enable = true;
      dotDir = ".config/zsh";
      autocd = true;
      history = {
        path = "${home}/.local/share/zsh/history";
        expireDuplicatesFirst = true;
        append = true;
      };
      historySubstringSearch.enable = true;
      autosuggestion.enable = true;
      syntaxHighlighting.enable = true;
      plugins = [
        {
          name = "powerlevel10k";
          src = pkgs.zsh-powerlevel10k;
          file = "share/zsh-powerlevel10k/powerlevel10k.zsh-theme";
        }
      ];
      initContent = ''
        source ${./.p10k.zsh}
      '';
    };

    home.file.".zshenv".enable = false;
  };
}