{
  config,
  pkgs,
  ...
}: {
  programs.zsh = {
    enable = true;
    history = {
      size = 102400;
      save = 102400;
      ignoreDups = true;
      expireDuplicatesFirst = true;
      share = true;
    };

    enableAutosuggestions = true;
    enableCompletion = true;

    oh-my-zsh = {
      enable = true;
      plugins = ["vi-mode" "git" "python" "history-substring-search" "tmux"];
    };

    initExtra = ''
      ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=238'
      setopt HIST_IGNORE_ALL_DUPS
    '';

    profileExtra = ''
      export PATH="$HOME/programs:$PATH";
      export PATH="$HOME/tools:$PATH";
      export PATH="$HOME/bin:$PATH";
      export PATH="$HOME/.local/bin:$PATH";
      export PATH="$GOPATH/bin:$PATH";
      export PATH="$HOME/.rvm/bin:$PATH";
      export PATH="$HOME/.cargo/bin:$PATH";
      export PATH="$HOME/.yarn/bin:$HOME/.config/yarn/global/node_modules/.bin:$PATH";
    '';

    envExtra = ''
      [ -s "/home/cyryl/.jabba/jabba.sh" ] && source "/home/cyryl/.jabba/jabba.sh"
      tmux source-file ~/.config/tmux/tmux.conf
      local nixos_version=`which nixos-version`
      if [[ ! -x "$nixos_version" && ! `uname` == "Darwin" ]]; then
          source /home/cyryl/.nix-profile/etc/profile.d/nix.sh
          export NIX_PATH="$HOME/.nix-defexpr/channels:$NIX_PATH"
          export NVM_DIR="$HOME/.nvm"
          [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
          echo "non-nixos patches loaded"
      fi
    '';

    sessionVariables = {
      TERM = "xterm-256color";
      EDITOR = "vim";
      VISUAL = "vim";
      PAGER = "less";
      ZSH_TMUX_AUTOSTART = true;
      GOPATH = "$HOME/go";
    };

    shellAliases = {
      tmate = "tmux detach-client -E 'tmate;tmux'";
      cat = "bat -p";
      rg = "rga";
    };
  };

  programs.direnv = {
    enable = true;
    enableZshIntegration = true;
    nix-direnv = {enable = true;};
  };

  home.file.".config/starship.toml".text = ''
    command_timeout = 8192
    [aws]
    disabled = true

    [battery]
    full_symbol = ""
    charging_symbol = ""
    discharging_symbol = ""

    [[battery.display]]
    threshold = 10
    style = "bold red"

    [[battery.display]]
    threshold = 30
    style = "bold yellow"

    [memory_usage]
    disabled = false

    [git_branch]
    symbol = "git "

    [hg_branch]
    symbol = "hg "

    [nix_shell]
    symbol = "nix-shell "
  '';

  programs.starship = {
    enable = true;
    enableZshIntegration = true;
  };
}