{ pkgs, common, ... }:
{
  programs.zsh = {
    enable = true;
    enableCompletion = false; # manage completions ourself
    dotDir = ".config/zsh";
    shellAliases = {
      x = "startx";
      rm = "rm -i";
      cal = "cal -m";
      ls = "ls --color";
    };
    envExtra = ''
      export PS1=$'%B%n%b@%B%m%b: %~\nλ '
      export BROWSER=firefox
      export XINITRC="${common.homeDir}/bin/xinitrc"
      export XAUTHORITY="${common.homeDir}/.local/share/Xauthority"
      export PASH_KEYID="3E4A909C8FEF6E3783699C79DFC26EF8EDAD6D71"
      export QT_AUTO_SCREEN_FACTOR=1
      export PATH="${common.homeDir}/bin:$PATH"
    '';
    initExtra = ''
      autoload -Uz compinit 

      compinit -C
      (exec compinit &)

      _comp_options+=(globdots)

      setopt autocd
      setopt noautomenu
      setopt nomenucomplete
      setopt TRANSIENT_RPROMPT

      run() {
        pkg="$1"
        [ "$pkg" = "''${pkg##*#}" ] && pkg="nixpkgs#$pkg"
        export NIXPKGS_ALLOW_UNFREE=1 NIXPKGS_ALLOW_BROKEN=1
        shift
        nix run --impure "$pkg" -- "$@"
      }

      shell() {
        i="$#"
        while [ "$i" -gt 0 ]; do
          pkg="$1"
          [ "$pkg" = "''${pkg##*#}" ] && pkg="nixpkgs#$pkg"
          shift
          set -- "$@" "$pkg"
          : $(( i -= 1 ))
        done
        export NIXPKGS_ALLOW_UNFREE=1 NIXPKGS_ALLOW_BROKEN=1
        nix shell --impure "$@"
      }

      # vi mode options
      KEYTIMEOUT=1
      MODE_INDICATOR_VICMD='%K{10}%F{8}%B NORMAL %k%f%b'
      MODE_INDICATOR_REPLACE='%K{9}%F{8}%B REPLACE %k%f%b'
      MODE_INDICATOR_SEARCH='%K{13}%F{8}%B SEARCH %k%f%b'
      MODE_INDICATOR_VISUAL='%K{12}%F{8}%B VISUAL %k%f%b'
      MODE_INDICATOR_VLINE='%K{12}%F{8}%B V-LINE %k%f%b'
    '';
    plugins = [
    {
      name = "zsh-vim-mode";
      file = "zsh-vim-mode.plugin.zsh";
      src = pkgs.fetchFromGitHub {
        owner = "softmoth";
        repo = "zsh-vim-mode";
        rev = "1f9953b7d6f2f0a8d2cb8e8977baa48278a31eab";
        sha256 = "sha256-a+6EWMRY1c1HQpNtJf5InCzU7/RphZjimLdXIXbO6cQ=";
      };
    }
    ];
  };
  programs.direnv = {
    enable = true;
    nix-direnv.enable = true;
  };
}