{ pkgs, ... }:
{
  home.packages = with pkgs; [
    # general
    babelfish

    # for extract()
    gnutar
    bzip2
    bzip3
    gzip
    unzip
    pax
    unrar-free

    # shell goodies
    neo
  ];

  programs.fish = {
    enable = true;

    rose-pine.enable = true;

    preferAbbrs = true;

    plugins = with pkgs.fishPlugins; [
      {
        name = "z";
        src = z;
      }
      {
        name = "Puffer Fish";
        src = puffer;
      }
      {
        name = "Sponge";
        src = sponge;
      }
      {
        name = "autopair.fish";
        src = autopair;
      }
    ];

    shellInit = # fish
      ''
        set -g fish_key_bindings fish_vi_key_bindings
      '';

    shellAbbrs = {
      cp = "cp -iv";
      mkdir = "mkdir -pv";
      mv = "mv -iv";
      rm = "rm -r";
      grep = "grep --color=auto";
    };

    functions = {
      extract = {
        argumentNames = "file";
        body = # fish
          ''
            set --erase argv[1]

            if test -f "$file"
              switch "$file"
                case "*.tar.bz2"
                  tar -jxvf $argv $file

                case "*.tar.gz"
                  tar -zxvf $argv $file

                case "*.bz2"
                  bunzip2 $argv $file

                case "*.bz3"
                  bunzip3 $argv $file

                case "*.gz"
                  gunzip $argv $file

                case "*.tar"
                  tar -xvf $argv $file

                case "*.tbz2"
                  tar -jxvf $argv $file

                case "*.tgz"
                  tar -zxvf $argv $file

                case "*.zip" "*.ZIP"
                  unzip $argv $file

                case "*pax"
                  cat $file | pax -r $argv

                case "*.pax.Z"
                  uncompress $file --stdout | pax -r $argv

                case "*.rar"
                  unrar-free $file

                case "*.Z"
                  uncompress $argv $file

                case "*"
                  echo "'$file' cannot be extracted via extract()."
              end
            else
              echo "'$file' is not a valid file."
            end
          '';
      };

      neo = {
        wraps = "neo";
        body = # fish
          ''
            command neo --charset=ascii $argv
          '';
      };
    };
  };
}