nixos-configs/modules/desktop/zsh.nix

{ config, lib, pkgs, ... }:

let cfg = config.modules.desktop.zsh;
in {
  options.modules.desktop.zsh = { enable = lib.my.mkBoolOpt false; };
  config = lib.mkIf cfg.enable {

    environment.pathsToLink = [ "/share/zsh" ];

    programs.zsh.enable = true;

    users.users.${config.user.name} = { shell = pkgs.zsh; };

    home-manager.users.${config.user.name} = {
      programs.zsh = {
        enable = true;
        history = {
          save = 50000;
          size = 50000;
        };
        enableCompletion = true;
        autosuggestion.enable = true;
        syntaxHighlighting.enable = true;
        initExtra = /*bash*/''
          autoload -Uz up-line-or-beginning-search down-line-or-beginning-search
          zle -N up-line-or-beginning-search
          zle -N down-line-or-beginning-search

          [[ -n "$key[Up]"   ]] && bindkey -- "$key[Up]"   up-line-or-beginning-search
          [[ -n "$key[Down]" ]] && bindkey -- "$key[Down]" down-line-or-beginning-search
        '';
        oh-my-zsh = {
          enable = true;
          plugins = [ "git" "terraform" "systemd" ];
        };
        plugins = [
          {
            name = "nix-zsh-completions";
            src = pkgs.nix-zsh-completions;
          }
          {
            name = "zsh-completions";
            src = pkgs.zsh-completions;
          }
        ];
      };
      programs.thefuck = {
        enable = true;
        enableZshIntegration = true;
      };
      programs.starship = {
        enable = true;
        enableZshIntegration = true;
        settings = {
          add_newline = true;
          cmd_duration = {
            min_time = 0;
            show_milliseconds = true;
          };
          scala = { symbol = " "; };
          terraform = { symbol = "󱁢 "; };
          nix_shell = { symbol = "󱄅 "; };
          nodejs = { symbol = " "; };
          php = { symbol = " "; };
        };
      };
    };
  };
}