{
  lib,
  pkgs,
  ...
}:
let
  isLinux = pkgs.stdenv.isLinux;
in
{
  home.packages =
    with pkgs;
    [
      # encryption
      age

      # shell
      shellcheck

      # shell utils
      coreutils
      direnv
      dust
      just
      procs
      ripgrep
      tree
      wget

      # network
      bandwhich

      # data manipulation
      jless
      jq
      yq
    ]
    ++ (lib.optionals (isLinux) [ htop ]);

  # https://github.com/nix-community/home-manager/blob/master/modules/programs/fish.nix
  programs.fish = {
    enable = true;
    interactiveShellInit = ''
      set fish_greeting ""

      fish_add_path -p ~/.cargo/bin/
    '';
    shellAbbrs = {
      ncg = "nix-collect-garbage -7d";
      c = "clear";
      j = "just";
      g = "git";
      gap = "git add --patch";
    };
    shellAliases = {
      la = "eza -la --git --color=always --group-directories-first";
      ll = "eza -la -L=1 --git --color=always --group-directories-first";
      lt = "eza -aT -L=2 --git --color=always --group-directories-first";
    };
  };

  # an alternative to ls
  programs.eza = {
    enable = true;
    icons = "never";
    enableFishIntegration = false;
    extraOptions = [
      "--group-directories-first"
      "--no-quotes"
      "--git-ignore"
      "--icons=never"
    ];
  };

  # an alternative to find
  programs.fd = {
    enable = true;
    hidden = true;
    ignores = [
      ".git/"
      ".direnv/"
    ];
  };

  programs.direnv = {
    enable = true;
    nix-direnv.enable = true;
    enableZshIntegration = true;
    config = {
      global.disable_stdin = true;
      global.strict_env = true;
    };
  };

  programs.bat = {
    enable = true;
    config = {
      theme = "ansi";
      pager = "less -FR";
    };
  };

  programs.starship = {
    enable = true;
    settings = {
      add_newline = false;
      directory = {
        fish_style_pwd_dir_length = 3;
      };
      git_branch = {
        symbol = "🌱 ";
      };
      git_commit = {
        commit_hash_length = 4;
        tag_symbol = "🔖 ";
      };
      git_state = {
        format = "[($state($progress_current of $progress_total))]($style) ";
        cherry_pick = "[🍒 PICKING](bold red)";
      };
      git_status = {
        conflicted = "💢";
        ahead = "💨";
        behind = "😰";
        diverged = "😵";
        untracked = "🤷‍";
        stashed = "📦";
        modified = "📝";
        staged = "[++($count)](green)";
        renamed = "👅";
        deleted = "🗑️";
      };
      "$schema" = "https://starship.rs/config-schema.json";
      hostname = {
        disabled = true;
      };
      username = {
        disabled = true;
      };
      kubernetes = {
        disabled = false;
        style = "bold blue";
      };
      nix_shell.disabled = false;
    };
  };

  home.sessionVariables = {
    EDITOR = "code --wait";
    LESS = "-FRSXM";
    LESSCHARSET = "utf-8";
    PAGER = "less";
    SHELL = "${pkgs.fish}/bin/fish";
    VISUAL = "code --wait";
  };
}