{
  lib,
  pkgs,
  ...
}: {
  imports = [./bottom.nix];
  xdg.configFile = let
    variants = ["Latte" "Frappe" "Macchiato" "Mocha"];
    mkVariant = variant: let
      fname = "catppuccin${variant}.tmTheme";
    in {
      name = "bat/themes/${fname}";
      value = {source = ./. + "/${fname}";};
    };
  in
    builtins.listToAttrs
    (lib.lists.forEach variants mkVariant);
  programs = {
    bash.enable = true;
    bat = {
      enable = true;
      config.theme = "catppuccinMocha";
    };
    carapace.enable = true;
    eza = {
      enable = true;
      enableAliases = true;
      git = true;
      icons = true;
      extraOptions = ["--octal-permissions"];
    };
    readline = {
      enable = true;
      includeSystemConfig = true;
      extraConfig = ''
        set completion-ignore-case On
      '';
    };
    direnv = {
      enable = true;
      nix-direnv.enable = true;
    };
    fzf = {
      enable = true;
      defaultCommand = "${pkgs.fd}/bin/fd --type f";
      changeDirWidgetCommand = "${pkgs.fd}/bin/fd --type d";
      fileWidgetCommand = "${pkgs.fd}/bin/fd --type f";
    };
    ssh = {
      enable = true;
      forwardAgent = true;
      compression = true;
      serverAliveInterval = 15;
      serverAliveCountMax = 3;
      controlMaster = "auto";
      controlPersist = "10s";
      extraConfig = ''
        AddKeysToAgent=yes
        SetEnv TERM=xterm-256color
      '';
      matchBlocks = {
        "git*".user = "git";
        "legion" = {
          user = "pixelifytica";
          hostname = "192.168.0.31";
        };
        "vanguard" = {
          user = "pixelifytica";
          hostname = "192.168.0.90";
        };
        "ionos" = {
          user = "root";
          hostname = "77.68.67.133";
        };
        "freia" = {
          user = "elitherl";
          hostname = "freia020.hpc.l";
          forwardX11Trusted = true;
        };
        "heimdall" = {
          user = "elitherl";
          hostname = "heimdall003.jet.uk";
          forwardX11Trusted = true;
        };
      };
    };
    starship = {
      enable = true;
      enableTransience = true;
      settings = {
        add_newline = false;
        character = {
          success_symbol = "[󰁔 ](bold green)";
          error_symbol = "[󰁔 ](bold red)";
        };
        command_timeout = 2000;
        container = {symbol = " ";};
        directory = {
          truncation_length = 2;
          fish_style_pwd_dir_length = 1;
          truncate_to_repo = false;
        };
        direnv = {disabled = false;};
        git_branch = {
          symbol = " ";
          only_attached = true;
          ignore_branches = ["master" "main"];
        };
        git_commit = {
          format = "[  $hash | $tag]($style) ";
          tag_symbol = " ";
          tag_disabled = false;
        };
        git_metrics = {disabled = false;};
        git_status = {
          stashed = " ";
          ahead = " ";
          behind = " ";
          up_to_date = "";
          diverged = " ";
          conflicted = " ";
          deleted = " ";
          renamed = " ";
          modified = " ";
          staged = " ";
          untracked = " ";
          typechanged = " ";
        };
        hostname = {
          ssh_only = true;
          ssh_symbol = "󰢹 ";
        };
        jobs = {symbol = "󰈏 ";};
        line_break = {disabled = false;};
        localip = {disabled = false;};
        memory_usage = {disabled = false;};
        os = {
          disabled = false;
          format = "on [$symbol]($style) ";
        };
        python = {python_binary = "python3";};
        shell = {
          disabled = false;
          format = "using [$indicator ]($style)";
        };
        status = {
          disabled = false;
          map_symbol = true;
          pipestatus = true;
          symbol = "  ";
          success_symbol = "";
          not_executable_symbol = "  ";
          not_found_symbol = "  ";
          sigint_symbol = "  ";
          signal_symbol = "  ";
        };
        sudo = {disabled = false;};
      };
    };
    zsh = {
      enable = true;
      enableCompletion = true;
      enableAutosuggestions = true;
      syntaxHighlighting.enable = true;
      enableVteIntegration = true;
      autocd = true;
      historySubstringSearch.enable = true;
      history = {
        extended = true;
        ignoreDups = true;
        ignoreSpace = true;
      };
      shellAliases = {
        nixos-repl = "nixos-rebuild repl";
        nixos-test = "sudo nixos-rebuild test";
        nixos-boot = "sudo nixos-rebuild boot";
        nixos-switch = "sudo nixos-rebuild switch";
        nixos-reboot = "sudo nixos-rebuild boot && sudo reboot now";
        nixos-shutdown = "sudo nixos-rebuild boot && sudo shutdown now";
        gsa = "git-sync-all";
      };
      oh-my-zsh = {
        enable = true;
        plugins = ["colored-man-pages" "lol" "rand-quote"];
        theme = "";
      };
      completionInit = ''
        autoload -Uz +X compinit && compinit

        ## case insensitive path-completion
        zstyle ':completion:*' matcher-list 'm:{a-zA-Z}={A-Za-z}'
        zstyle ':completion:*' menu select
      '';
      initExtra = "source ${./transient.zsh}\n";
    };
  };
}