{
  programs.fish = {
    enable = true;

    functions = {
      ff = ''
        set RG_PREFIX "rg --column --line-number --no-heading --color=always --smart-case "
        set INITIAL_QUERY "$argv"
        fzf --ansi --disabled --query "$INITIAL_QUERY" \
          --bind "start:reload:$RG_PREFIX {q}" \
          --bind "change:reload:sleep 0.1; $RG_PREFIX {q} || true" \
          --delimiter : \
          --preview 'bat --color=always {1} --highlight-line {2}' \
          --preview-window 'up,60%,border-bottom,+{2}+3/3,~3' \
          --bind 'enter:become(nvim {1} +{2})'
      '';
      envsource = ''
        for line in (cat $argv | grep -v '^#')
            set item (string split -m 1 '=' $line)
            set -gx $item[1] $item[2]
            echo "Exported key $item[1]"
        end
      '';
      fish_greeting = "fortune -a";
    };

    interactiveShellInit = ''
      fish_config theme choose "Rosé Pine"

      set hn (prompt_hostname)
      set fish_cursor_default     block      blink
      set fish_cursor_insert      line       blink
      set fish_cursor_replace_one underscore blink
      set fish_cursor_visual      block
      set fish_vi_force_cursor 1
      fish_vi_key_bindings

      fish_add_path /run/current-system/sw/bin
      fish_add_path /opt/homebrew/bin

      envsource ~/.env

      fnm env --use-on-cd --shell fish | source
    '';

    shellAbbrs = {
      lg = "lazygit";
      g = "git";
      frc = "source ~/.config/fish/**/*.fish";
    };
  };

  home.file.".config/fish/themes".source = ./themes;
}