{ config, pkgs, lib, ... }:
{
  home.packages = with pkgs; [ zsh-completions ];

  programs.zsh = {
    enable = true;
    dotDir = ".config/zsh";

    defaultKeymap = "emacs";
    enableCompletion = true;
    enableAutosuggestions = true;

    history = {
      size = 500000;
      save = 500000;
      extended = true;
      ignoreSpace = true;
      ignoreDups = true;
      share = true;
      # see
      # https://github.com/nix-community/home-manager/blob/32a7da69dc53c9eb5ad0675eb7fdc58f7fe35272/modules/programs/zsh.nix#L537
      path = "${config.xdg.dataHome}/zsh/zsh_history";
    };

    localVariables = {
      # Print timing statistics for everything which takes longer than 5 seconds of
      # user + system time.
      REPORTTIME = 5;
    };

    shellAliases = {
      ll = "ls -l --color=auto";
      lt = "ls -ltrh --color=auto";
      la = "ls -ltrha --color=auto";
      pkgsearch = "nix search nixpkgs";
      hms = "home-manager switch --flake .";
      nr = "sudo nixos-rebuild switch --flake .";
      flup = "nix flake update --commit-lock-file";
      dhcp-leasese = "xdg-open http://192.168.6.1:8067/";
    };

    prezto = {
      enable = true;
      prompt = { theme = "pure"; };
      pmodules = [
        "prompt"
        "git"
      ];
    };
  };
}